Sunday, March 31, 2019
Functional Behavioural Assessment Case Study
usable Behavioural opinion Case take on working(a) bearingal judgings for SeanSiobhan L. HealyIntroductionMrs. Valdez, a second grade instructor at Hacienda Elementary School, contacted me via email requesting my services regarding one of her students. Mrs. Valdez would like me to join forces with her and several(prenominal) administrators, including the principal of Hacienda Elementary School, to talk of the students behavioural issues. The subject of concern is Sean, a 9 year old boy, who had been held sticker to repeat second grade due to his ADHD and the resulting inattentiveness and impuissance grades. Sean is described as a bright and lovable boy at naturalize and at home but due to his (recently diagnosed) ADHD, he is a lot inattentive during class, jumps out of his seat and throws crumbled up school papers at peers when asked to complete a task.His lack of concentration and the inability to finish some(prenominal) task at school have earned him weakness grades d uring the preliminary school year and p bents and teachers fear that he may be failing second grade again, if nothing is done to help him. Seans pargonnts atomic flake 18 against every pharmaceutical medications to treat his ADHD and they have consulted with an herbal sterilise to treat the condition. Now, Mrs. Valdez has asked me to develop a carriage intervention plan for Sean, in order for him to succeed academically and socially during the current school year.The usable brand demeanors seen in Sean ar, a) in upkeep, in get to of not paying trouble to teachers instructions and school work, b) out-of-seat air, defined as any time Seans behind was not making contact with his chair, and c) throwing items (i.e., crumbled up papers) at peers. If my interdisciplinary group up up and I atomic number 18 able to describe the specific purposes of a Functional conductal Assessment for Sean, to the Hacienda Elementary School administrators during the planning meeting, wh ence we exit be able to design and implement an efficacious treatment plan for this student based on the results of the proposed FBA.Functional Behavioral Assessments are use to determine why an individual exhibits certain demeanours and in what substance the environment influences the individual and their miens. In the fuck offning, the method of analyzing behavior was created with the autistic and disadvantageously intellectually disabled population in mind, but it can be applied to any individual with problem behaviors. According to the State mount of Education, northern Carolina (2015), The reauthorized Individuals with Disabilities Education Act requires that a Functional Behavioral Assessment be conducted if a behavior was a manifestation of the disability or, as appropriate, for other disciplinary removals (http//ec.ncpublicschools.gov).In many schools, the Individual Education weapons platform Team (IEP group) develops an judicial decision plan to address proble m behaviors. During IEP team meetings, charge behaviors must be identified and specified. Decisions must be made nigh who will conduct each component of an FBA, and a timeline as to when the assessment will be completed is set. Usually, the IEP team will meet to discuss the assessment results and to design and implement behavioural interventions. Some times, The IEP team and members of a school administration need to bring in an independent team of experts in order to exhaust all possibilities of an effective FBA, curiously in the display case of Sean (State Board of Education, NC, 2015).In civilize Assessments are performed when schooling about precedings, forces, and critical variables, needfully to be ga thered corroboratoryly via interviews, screening forms, and rating scales. The Indirect Assessments are considered an adjunct to direct measures, as the data gathered from these measures is usually not considered quite as reliable. However, Indirect Assessments are often the first procedures performed in an FBA because the observer is able to figure meaningful musings and he or she may begin the construction of hypotheses about the juncture of behaviors rather quickly (Steege Watson, 2013).The interdisciplinary team would first assess Sean by conducting five general go of a Functional Analysis. look one would be a Functional Assessment question during which the team would question at least both or three soulfulnesss who know Sean very well and who have been tough in the powers in which the behaviors occurred ( closely likely his parents and Mrs. Valdez). The interview would focus on identifying noticeable behaviors displayed by our referred student. For example, when addressing Seans inattentive behavior, the team should ask Mrs. Valdez, the teacher, to clearly and concisely describe the observable characteristics that constitute inattentive behavior. It is important to note during the interview, what function Seans behaviors serve. Fo r example, his out-of-seat behavior may actually serve 2 distinguishable functions, one to get caution from his peers by jumping out of his seat, and deuce to escape from or avoid academic instruction from the teacher. This type of information will be relevant for the entire process of FBA, because, if the functions are different, the resulting interventions may be different as well (Steege Watson, 2013).With a typical alphabet Assessment, when the in use(p) behaviors occur, the observer is expected to usher those behaviors and the ready antecedent and conchronological succession variables. Observers often identify one immediate antecedent and one immediate consequence that occur during a behavioral suit. For example, the ABC Interviewer could record the followers in Seans classroom A Antecedent Teacher, Mrs. Valdez, requests Sean to sit guttle and complete his task, B Behavior Sean jumps up, crumbles his school paper, and throws it at a peer, C Consequence Mrs. Valdez ve rbally reprimands Sean and sends him to the principals office. However, in this instance, a single ABC arrangement was not able to identify all of the relevant variables connected to this behavioral incident because, there were a number of additional incidents preceding this enter. Oftentimes, with the particular of a series of behavioral incidents, the observers verbally report or record only the final incident (Steege Watson, 2013).Thus, a Behavioral Stream Interview (BSI) could be performed in Seans case, in which contextual variables that are associated with the fussy behaviors, can be identified. This kind of interview centers on the idea that there are many variables, including individual, antecedent, and consequence variables in Seans environment that feign his challenging behaviors. These different variables often interact in a inevitable manner and are not stagnant. Steege and Watson (2013), compare the ongoing flow of behavior and related stimuli to a river, sometim es a stream that gently meanders through a meadow, and at other times a raging flood tide rushing through mountainous canyons (p.106).The BSI has the potential of identifying patterns by calculating the sequence in which the variables occur. It can be compared to a movie strip of several captured pictures in a sequence, unlike a single photograph of a singular antecedentbehaviorconsequence interaction (A-B-C) (Steege Watson, 2013, p. 106).Furthermore, data could be collected through a questionnaire such as the Child Behavior Checklist (CBCL Achenbach, 1991, as cited in Sattler, 2002) which measures internalizing and externalizing problems in children and adolescents. The CBCL is designed for parents of children and adolescents ages 4 to 18 age old. The rationale for conducting the interview is to observe the target behavior. The reason for utilizing the CBCL is that it includes a Teachers give out form (TRF, Achenbach, 1991, as cited in Sattler, 2002). According to Sattler, the TRF has satisfactory validity. operate Assessment covering fire Tools or a Motivation Assessment subdue may additionally be use.The Functional Behavioral Assessment Screening institute (FBASF) would be a particularly useful hawkshaw to record data about, a) busy behaviors (i.e., target problem behaviors), b) behavioral strengths (i.e., characteristics that are operable and appropriate, adaptive behaviors, and skills), c) Reinforcers (i.e., stimuli that are preferred by the student, people, activities, and events), d) Communication skills (i.e., verbal expressions, gestures, signs, or devices). In the context of Seans case, his behaviors too, are not occurring randomly, but are caused by an interaction between antecedent, individual, and consequence variables (Steege Watson, 2013). contain descriptive Functional Behavioral Assessments, on the other hand, are very powerful tools in school lays. They are powerful because the procedures center on direct ruminations of behavio rs in situations and settings in which the target behaviors occur. Systematic observations, and not just mere indirect information lead to solid hypotheses on function and starts of behaviors (Steege Watson).Therefore, step two in a Functional Analysis would be a Direct Observation and collection of data by observing Seans target behaviors directly. The team could do a Sequence Analysis by recording antecedents, behavior, and consequence (a Maladaptive Behavior Card can be used for this purpose). Furthermore, the frequency and rate of the behavior would be recorded. The frequency of item per whole of time, for example, would be 30 behaviors divided by 20 min of observation = 1.5 behaviors per elegant or about 3 behaviors every two legal proceeding. Next, the continuation of each behavior and the latency (which is the duration of time between a stimulus and a response) would be recorded, for example, how soon after the stimulus does Sean begin to jump up or throw paper balls at classmates (Carbone Zecchin, 2014).Step three deals with experimental manipulations if they are feasible based on the grimness of the behaviors. This procedure enables the observer to empirically test the functions of the behavior. The situations in which the behaviors occur most frequently suggest the function of the behavior. In order to test for the functions of the dysfunctional behavior, the interdisciplinary team would have to perform an Alone Condition running in which Sean would be alone without any stimulation and then calculate if any aggressive behavior occurred within a 20 minute session. Next, an Attention Condition-Test is performed to find out if the behavior is maintained by attention. This involves harming Sean in a preferred activity and if a maladaptive behavior occurs, the team would give him 10 seconds of attention after each occurrent of the target behaviors by saying Sean, dont throw anything at your classmate, you could hurt her The team would count th e number of times the behaviors occurred and this session would drop dead 20 minutes. Then, comes the Demand Condition Test, which is designed to explore if a behavior is maintained by Escape or Avoidance. The interdisciplinary team will place Sean in a demanding task or situation and leave alone him to escape (or leave the situation) each time the target behavior occurs. The team would wait for about a minute and then direct Sean covering fire to the demand situation or task, while keeping count of the number of times the behavior occurs. This session should besides last 20 minutes (Carbone Zecchin, 2014).Last but not least, the Play Condition-Test will be performed, which is a control condition. In this scenario, the interdisciplinary team would place Sean in an enriched reinforcing environment, leave him to engage in preferred activities of his choosing, and count the number of times the behavior occurs. This session, again, will last 20 minutes. Step four will be a Functi onal Analysis Summary, to include a form/ chart outlining the Functional Analysis Interviews conducted, the Direct Observation Data collected, and the Experimental purpose implemented. Step five will outline a Behavior Lesson object and after carefully choosing of an intervention, this will be called an Intervention Lesson Plan for Sean (Carbone Zecchin, 2014).In the literature by Steege Watson (2013),The Conditional Probability Record (CPR) is a form thatallows the observer to simultaneously observe and record theantecedents and consequences of behavior. The advantage ofdoing so allows for the epitome of the likelihood(probability) of a behavior given a particular antecedent andthe likelihood of a particular consequence following abehavior (p. 134).Lets say, we take a 5-minute excerpt from a 15-minute observation period, and it shows that Sean was out of his seat during 70% of the intervals, then, of the intervals in which Sean was out of his seat, 51% of those resulted in a v erbal reprimand by Mrs. Valdez and 43% resulted in her physically guiding Sean back into his seat. Therefore, Seans out-of-seat behavior resulted in some form of attention by Mrs. Valdez in 94% of the intervals. On the other hand, when Sean was working on his assign tasks, it resulted in no attention, verbal or physical, from Mrs. Valdez. So, only in 29% of the intervals in which Sean was working on his tasks, was Mrs. Valdez near him. Therefore, one of the hypotheses is that Seans out-of-seat behavior is maintained by Mrs. Valdez attention because doing so is more than three times as likely to result in some form her attention than working. During these observations, there may be some influence by Seans peers in the form of looking at him (23% of the intervals) or cheering him on (18%), however these consequences were not as probable as Mrs. Valdez attention.Additionally, there also appears to be a negative reinforcement because Sean is able to escape from the assigned task by get ting out of his seat. Antecedent and consequent possibilities are verified by further observation and analysis (Steege Watson, 2013).The interdisciplinary team could complete a Functional Behavioral Assessment Observation Form (FBAOF) for Sean. This is an assessment procedure involving direct observation and recording data of interfering behaviors and contextual variables. The FBAOF is generally used to record behavioral episodes or behavioral incidents that involve one single interfering behavior. The observer uses an FBAOF each time the interfering behavior occurs to record, 1) Date and time of day, 2) Setting events (i.e., activities, tasks, places, etc.), 3) Antecedents (i.e., events that appear to trigger the behavior), 4) Behavior (i.e., the defined interfering/target behavior), 5) Consequence (i.e., events following the interfering behavior), 6) Effect (i.e., change in rate or intensity of occurrence of the behavior), 7) Staff (i.e., person recording the data, working direct ly with Sean). Should the interdisciplinary team use the FBAOF, they must differentiate between an antecedent and a setting event. The antecedent is a precipitating variable (i.e., a specific event triggering a behavior), while the setting event is just the general situation that the behavior occurred in (Steege Watson, 2013).Last, but not least, the interdisciplinary team could utilise the Task Analysis Recording Procedure (TARP), which is an effective procedure for principle functional life skills and for progress monitoring (Steege Watson, 2013, p. 146). It is used for documenting a persons level of performance on specific tasks, instructional procedures, appellation of effective and ineffective instructional prompts, and to document levels of occurrence of interfering behaviors, especially in the context of instructional programs (Steege Watson, 2013).TARP is a useful tool for recording a decrease of interfering behaviors, while, at the same time, documenting an profit in desirable and appropriate behaviors. For example, we could use the TARP data recording in order to measure Seans occurrences of negative behaviors within a social or classroom setting, while, at the same time, recording any desirable behavior, such as doing his assigned tasks independently. This procedure is mostly used in individuals with autism who reside in group homes but TARP could be used in Seans case because of his ADHD diagnosis and universe in a group setting (classroom) (Steege Watson, 2013).It is important for the interdisciplinary team to put emphasis on the vast selection of indirect and direct descriptive FBA procedures. In many cases, a combination of both types in an assessment process is adequate for an assessment and an understanding of behavioral functions. A comprehensive mixture of several procedures can lead to the design of effective intervention plans (Steege Watson, 3013).ReferencesCarbone, V. J., Ph.D., BCBA Zecchin, G., BCABA. (2014). How to conduct a Functional Assessment Develop Behavior Plans to reduce Problem Behavior.Retrieved on March 10, 2015 fromhttp//armstrong.edu/images/psychology/FunctionalAssessment.pdfPublic Schools of North Carolina. State Board of Education. (2015). Functional Behavior Assessment. Retrieved on March 10, 2015 from http//ec.ncpublicschools.gov/instructional-resources/behavior-support/resources/functional-behavior-assessment.Sattler, J. (2001). Assessment of children Cognitive applications (4th ed.) La Mesa, CAJerome M. Sattler.Steege, M.W., Watson, T.S. (2013). Conducting School-Based Functional BehavioralAssessments, Second Edition. Guilford Press. VitalBook file.
Radiographic Evaluation of Soft Palate Morphology
radiographic Evaluation of Soft Palate MorphologyTitle Radiographic military rank of nutty roof of the mouth morphology and correlation with gender on asquint cephalogramsIntroductionThe kooky roof of the mouth is the posterior fibro muscular part of the roof of the mouth that is attached to the posterior edge of the weighed down roof of the mouth.1 It participates in close to of the oral functions, especially in velopharyngeal closure which is related to the normal functions of sucking, swallowing and pronunciation.2 The palate is make by the fusion of three components the two palatal processes and the frontonasal process. At a later st get along, the mesoderm in the palate undergoes intramembraneous ossification to form the hard palate. However, the ossification does not extend into the roughly posterior portion which stiff as the well-situated palate. Early references concerning the objective measurements of the soft palate bring been done by investigators for asse ssment of speech, function and the upper air hose structures.3-11 Although these act efforts toward the dimensional analysis of the soft palate and its surrounding structures have been made, slim attention has been paid to the variety of soft palate morphology and configuration. design of the soft palate on lateral cephalometry appears to have various morphologies in normal individuals, in contrast to the only one kind promulgated in the literature. Pepin et al found the hooked appearance of the soft palate in patients who were awake, which indicated a high risk for the preventive sleep apnoea syndrome.12The answer of the present piece of work is to investigate the variation of the soft palate morphology and the equilibriumal conflicts of the soft palate between the two gender groups. This study can be service of processful for understanding the various morphologies of the soft palate in the median sagittal plane on lateral cephalograms. These findings whitethorn be used not only as references for the normal soft palate, but to a fault for cleft reconstruction and the etiological look of obstructive sleep apnea syndrome (OSAS) and other conditions.Materials and MethodsWe conducted a cross-sectional study in department of Oral Medicine and Radiology, Manipal College of Dental Sciences, Manipal. Instructional ethical committee praise was obtained for the study. Lateral cephalometric radiographs of individuals subjected to radiographic examination for orthodontic purpose were retrieved for the study from the autobiography of departments of Oral Medicine and Radiology and Orthodontics. A total of vitamin C digital lateral cephalograms of normal healthy individuals (50 males and 50 egg-producing(prenominal)s) who were aged 15-45 years were retrieved from November 2014 to February 2015. either the subjects who had normal speech and function were included in this study. Radiographs of good reference and visibility of soft palate were included. Pati ents with facial or palatal deformities or facial trauma were excluded. Poor quality radiographs and radiographs with incomplete details were also excluded.All lateral cephalograms were taken using orthopantomograph (Planmeca) with a tube potential drop adjusted to optimize the contrast. All the movies on the radiographs were observed and classified into 6 eccentric persons by 2 radiologists independently according to You M et al., (2008).1 The six types of morphology of the soft palate are as follows determination 1 alternate make up ones mind, which was lanceolate, indicated that the middle portion of the soft palate elevated to both(prenominal) the naso and the oro-side pillowcase 2 when the soft palate showed that the anterior portion was expand and the free margin had an obvious coarctation, the radiographic appearance was depict as having a rat-tail shapeType 3 a butt-like soft palate showed a shorter and fatter velum appearance, and the width had almost no distinct dissimilitude from the anterior portion to the free marginType 4 indicated that the image of the soft palate presented a straight line shapeType 5 the distorted soft palate, presented the S-shapeType 6 revealed a whitlow appearance of the soft palate, in which the posterior portion of the soft palate crooks anteriosuperiorlyThe pattern of the soft palate on the digital lateral cephalograms was highlighted with influence tool in Microsoft power point. The assessment of the soft palate morphology was carried out twice by two radiologists. Since there were no disagreements in classification between the two radiologists, reliability was considered to be acceptable.All the analysis was done using SPSS version 18. A p-value of ResultsA total 100 radiographs were studied for shapes of soft palate out of which 50 were males. The age of the subjects was 20.913.63 with age range of 18 45 years. Type 1 was most commonest shape of the soft palate (30%) followed by Type 6 (19%), Type 2 and 3 (17% and 17%), type 4 (11%) with to the lowest degree being type 5 (6%) (Figure 1).A total of 50 male and 50 female radiographs were used for our study. Among males, Type 1 was the commonest (38%) followed by type 6 (22%), Type 2 and 3 (14 and 14) with least being type 4 and 5 (6 and 6%) respectively. In females, Type 1 (22%) was the commonest followed by type 2 and 3 (20 and 20%), type 4 (16%), type 6 (16%) with least being type 5 (6%). However, there was no significant difference in the distribution of shape of soft palate between males and females (p=0.312) ( turn off 1).Table 1 Comparison of shape of soft palate between males and femalesChi-square sortDiscussionCephalometric analysis is one of the most commonly accepted techniques for evaluating the soft palate in both normal individuals and those with cleft palate. Cephalometry is a comparatively inexpensive method and permits a good assessment of the soft waver elements that define the soft palate morphology and its surroun ding structures.1,8Much of the fountain research that studied the soft palate and its surrounding structures was aimed at providing some(prenominal) information on diagnosis, prediction and treatment in individuals with cleft palate. The soft palate plays a large role in velopharyngeal closure, which refers to the normal apposition of the soft palate with the posterior and lateral pharyngeal walls. It is primarily a sphincteric mechanism consisting of velar and pharyngeal components. The movement separates the oral cavity from the nasal cavity during deglutition and speech. When the velum and lateral and posterior pharyngeal walls cheat to separate the two cavities, velopharyngeal incompetence (VPI) occurs.1In our study, the leaf-shaped soft palate was the most frequent type, which is an expected finding since this type was previously described as a classic velar morphology in the literature. This was in pact with the previous studies reported in the literature.1,13-15 However, Type -2 (Rat tail shaped) was reported to be commonest by Praveen et al., 2011.16 While the S-shape was seen in only few cases, it can be supposed that the number of subjects in the investigation was not large enough. The S-shape, which was described as a hooked appearance of the soft palate by Pepin et al.,17 was found in 5.8% subjects in our study. They hypothesized that soft palate-hooking plays a key role in pharyngeal collapse, since hooking results in a sudden and major reduction in the oropharyngeal dimensions, which therefore dramatically increases upper airway resistance and the transpharyngeal pressure gradient. Pepin et al., therefore concluded that hooking of the soft palate in awake patients indicates a high risk for OSAS.17In our study, the difference between gender didnt exist in the comparison of the proportion of the various morphology of soft palate. This was standardised to that reported by Praveen et al., 201116 mend previous study by You et al.1 reported gen der differences, wherein type 2 and 3 were significantly less in females than males. Type 1 was the most comments type among males and females in our study which was followed by type 2 and 3. This was similar to the study reported by Kruthika S et al., 2012.15This classification can help us better understand the diversity of the velar morphology in the median sagittal plane. These findings can be used as references for the research of velopharyngeal closure in cleft palate individuals and for aetiological research of OSAS and other conditions.
Saturday, March 30, 2019
Report of Strategic Management Process practiced at Jusco
Report of strategicalal Management run practiced at JuscoThe strategic guidance dish up aims at delineating the establishments system. It is delineate as the suffice by which managers make a choice of a cut covering of strategies for the organization to get hold of expeditious function and higher accomplishments. It is a continuous crop that appraises the line of reasoning and industries where organization is involved, evaluates its competitors, defines targets to neat both the give up and afterlife challenges and finally appraisees each strategy periodically1. strategical trouble is a sh beicular course of bring through that is meant to achieve a embodied goal. By and large, the owners, founders of the company manoeuvre the inaugural ill- intake of the wreak. They lay down the structure responsible for carrying out several functions much(prenominal)(prenominal) as providing direction and guidance to the employees, setting up measurable goals with def ined time spans and designated duties. createulation, budgeting, acquiring resources, brinytaining resources and using follow-up techniques to resolve key issues be key elements for managers to know in the strategic commission process. strategic proviso came into being years ago as an alternative to then pop tradition of farsighted-range cookery. immense-range proviso was based on pooling diachronic data and several merchandise assumptions to chart the direction that an organization should take. strategic readying on the other hand is to a greater extent leadership operate and vision-based leaders decide on principles that guide the organization toward established goals2. strategical management process is defined by quartette major travel which basis be defined as follows3surroundal examine-Environmental see refers to a process of collecting, scrutinizing and providing reading for strategic purposes, analysing the internal and remote factors influencing the organ ization. after(prenominal) gathering the required data, management evaluates it on a continuous reason and strives to ameliorate its resource database. scheme verbalism- scheme conceptuality is the process of decision making opera hat course of action for accomplishing organisational objectives and hence achieving organisational purpose. afterward conducting purlieu s wadning, managers at this stage formulate corporate, business and practicable strategies. outline implementation- dodging implementation implies making the strategy work as think or putting the organizations chosen strategy into action. outline implementation encompasses shrewd the organizations structure, distributing resources, developing decision making process, and managing human resources.Strategy Evaluation-Strategy military rank is the final step of strategy management process. The key strategy valuation activities argon appraising internal and outdoor(a) factors that argon the root of present strategies, measure executing, and taking remedial / nonindulgent actions. Evaluation makes sure that the organizational strategy as well as its implementation meets the organizational objectives.These components be chrono perspicuously carried steps magic spell creating a unused strategic management plan. Firms with actual plan in use revert to these steps as per the situations requirement, so as to make of the essence(p) transfigures.Components of strategical Management moveComponents of Strategic Management Process1.1 Environmental S bottomlandning national orthogonal Environment organizational purlieu consists of both external and internal factors which urgency to be continually remindered to de edgeine instruction and forecasts of factors that pull up stakes influence organizational success.Environmental scanning refers to possession and utilization of information active occasions, patterns, cuts, and relationships at bottom an organizations internal a nd external purlieu4. It upholds the managers to decide the future path of the organization. Scanning must comprehensively direct the threats and opportunities existing in the environs such that efficient strategy which takes benefit of the opportunities and minimize the threats can be suppose.Internal analytic thinking of the surroundis the first step of environment scanning. This primarily includes fundamental interaction of employees with other employees, management, manager interaction with other managers and shargonholders, access to natural resources, mug awareness, organizational structure, main staff, operational strength, and so on5. Internal environment analysis facilitates identify strengths and weaknesses within the organization. Most commonly utilise instruments used for assessment include interviews, surveys, discussions etceteraWhile inexternal analysis, three correlated environment are studied and analysed Immediate / Industry environmentNational envi ronmentBroader socio-economic environment / Macro-environmentExamining the application environmentinvolves survey of the hawkish structure of the organizations industry, emphasising warlike position of the organization with respect to its main rivals. This includes assessment of the nature, stage, high-powers, history of the industry and the effect of globalisation on competition within the industry. Analysing thenational environmentinvolves appraisal of efficacy of national framework in achieving competitive advantage in the global environment6. Macro-environmentanalysis includes exploring macro-economic, social, government, legal, technological and international factors that may influence the environment. The analysis of organizations external environment reveals opportunities and threats for the organization7.As business be acquires more competitive, external environment fluctuates rapidly hence, information from external environment adds crucial elements to the effectivenes s of long-term goals and strategies. It becomes indispensable to identify competitors moves and actions in the dynamic environment such that organizations can amend their core competencies and internal environment as per external environment. Strategic managers must non only avow the present bow of the environment and their industry but overly be able to predict its future positions.1.2 Strategy aspectStrategy formulation refers to the process of choosing the most appropriate course of action for the realization of organizational goals and objectives to fulfil organizational vision.The process of strategy formulation involves six main steps which can rationally be followed in the follo lureg recount8place setting Organizations objectives The key component of any strategy statement is to set the long-term objectives of the organization. Objectives specify the desire end state while strategy stresses upon the means of achieving it. Strategy encompasses both fixation of objectiv es and definition of the medium to be used to realize those objectives. so, strategy is an extensive word which is based on manner of deployment of resources to achieve desired goals. While fixing the organizational objectives, it is meaty that the factors which influence the selection of objectives must be analysed before the selection of objectives.Evaluating the Organizational Environment The next step is to evaluate the general economic and industrial environment in which the organization operates high animateding its competitive position. This generally involves a qualitative and valued review of organizations existing production line.9The aim is to undertake that factors important for competitive success in the market can be discovered such that management can identify and exploit its strengths and weaknesses against those of its competitors.Setting Quantitative Targets In this step, an organization must fix desired vicenary target values for certain objectives. The ide a behind this is to compare with long term customers, so as to evaluate the contribution that might be made by mingled product zones or operating de goments.Aiming in context with the divisional plans In this step, the contributions made by each department, division, product category within the organization is place and accordingly strategic planning is done for each sub-unit. This requires a careful analysis of macroeconomic trends. exercise Analysis Performance analysis includes discovering and analysing the gap between the planned and desired implementation. A critical military rating of the organizations past performance, present considerateness and the desired future conditions must be done by the organization. This critical military rating identifies the degree of gap that persists between the true reality and the long-term aspirations of the organization. An undertake is made by the organization to estimate its probable future condition if the current trends persist.Ch oice of Strategy This is the ultimate step in Strategy Formulation where the shell course of action is selected after considering organizational goals, organizational strengths, potential and limitations as well as the external opportunities.1.3 Strategy ImplementationStrategy implementation is the translation of chosen strategy into organizational action so as to achieve strategic goals and objectives. Strategy implementation is in addition defined as the manner in which an organization should develop, utilize, and amalgamate organizational structure, control systems, and g detrimentiness to follow strategies that lead to competitive advantage and a split performance. Organizational structure allocates special value developing tasks and routines to the employees and states how these tasks and graphemes can be correlated so as maximize efficiency, quality, and customer satisfaction-the pillars of competitive advantage10.But, organizational structure is not sufficient in itself to motivate the employees. An organizational control system is also required. This control system equips managers with motivational incentives for employees as well as feedback on employees and organizational performance. Organizational culture refers to the specialized collection of values, attitudes, norms and beliefs shared by organizational members and groups. Following are the mainsteps in implementing a strategy11Developing an organization having potential of carrying out strategy successfullyDisbursement of abundant resources to strategy-essential activitiesCreating strategy-encouraging policiesEmploying best policies and programs for constant improvementLinking reward structure to accomplishment of resultsMaking use of strategic leadershipExcellently formulated strategies fail if not mighty implemented. Also, it is essential to possess stability between strategy and each organizational dimension such as organizational structure, reward structure, resource-allocation proce ss, etc to ensure efficient strategy implementation. Strategy implementation poses a threat to virtually managers and employees in an organization as new power relationships are predicted and achieved. New groups (formal as well as liberal) are formed whose values, attitudes, beliefs and concerns may not be known. With the change in power and status roles, the managers and employees may employ enemy behaviour12.Following are the main differences between Strategy Formulation and Strategy Implementation13Strategy FormulationStrategy ImplementationStrategy Formulation includes planning and decision-making involved in developing organizations strategic goals and plans.Strategy Implementation involves all those means related to executing the strategic plans.In short, Strategy Formulation isplacing the Forces before the action.In short, Strategy Implementation ismanaging forces during the action.Strategy Formulation is anEntrepreneurial Activitybased on strategic decision-makingStrate gic Implementation is mainly anAdministrative Taskbased on strategic and operational decisionsStrategy Formulation emphasizes oneffectiveness.Strategy Implementation emphasizes onefficiency.Strategy Formulation is arational process.Strategy Implementation is fundamentally anoperational process.Strategy Formulation requires co-ordination among few individuals.Strategy Implementation requires co-ordination among many individuals.Strategy Formulation requires a great deal ofinitiative and logical skills.Strategy Implementation requires specificmotivational and leadership traits.Strategic Formulation precedes Strategy Implementation.Strategy Implementation follows Strategy Formulation.1.4 Strategy EvaluationStrategic Evaluation is the final phase ofstrategic management. Strategy Evaluation throws light on the efficiency and effectiveness of the comprehensive plans in achieving the desired results as stated during strategy formulation. The management assesses the validity of current stra tegy in existing environment with respect to dynamic socio-economic, political and technological innovations.The implication of strategy evaluation lies in its capacity to co-ordinate the task performed by managers, groups, departments etc, through control of performance. Strategic Evaluation is significant because of various factors such as developing inputs for new strategic planning, the urge for feedback, appraisal and reward, development of the strategic management process, judging the validity of strategic choice etc14.The process of Strategy Evaluation consists of following steps15Fixing benchmark of performance While fixing the benchmark, strategists answer questions such as what benchmarks to set, how to set them and how to usher them. In order to determine the benchmark performance to be set, it is essential to discover the special requirements for performing the main task. The performance indicator that best identify and express the special requirements might then be driven to be used for evaluation. The organization can use both quantitative and qualitative criteria for comprehensive assessment of performance. Quantitative criteria include determination of mesh topology profit, ROI, earning per share, cost of production, rate of employee turnover etc. Among the Qualitative factors are inherent evaluating factors such as skills and competencies, risk taking potential, flexibility etc. amount of performance The regulation performance is a bench mark with which the actual performance is compared. The reporting and communication system help in measuring the performance. If appropriate means are available for measuring the performance and if the standards are set in the right manner, strategy evaluation becomes easier. But various factors such as managers contribution are difficult to measure. Similarly divisional performance is some propagation difficult to measure as compared to individual performance. Thus, covariant objectives must be pul l ind against which standard of performance can be done. The measurement must be done at right time for evaluation to meet its purpose. For measuring the performance, financial statements like balance sheet, profit and loss account must be prepared on an annual basis.Analysing variation While measuring the actual performance and comparing it with standard performance there may be variances which are further analysed. The strategists must key the degree of tolerance limits between which the variance between actual and standard performance may be accepted. The positive deviation indicates a better performance but it is quite unusual exceeding the target continuously. The ban deviation is an issue of concern because it indicates a shortfall in performance. Thus in this case the strategists must discover the causes of deviation and must take corrective action to overcome it.Taking Corrective Action once the deviation in performance is set, it is essential to plan for a correctiv e action. If the performance is consistently less than the desired performance, the strategists must carry a detailed analysis of the factors responsible for such performance. If the strategists discover that the organizational potential does not match with the performance requirements, then the standards must be depressed. some other rare and drastic corrective action is reformulating the strategy which requires going back to the process of strategic management, reframing of plans according to new resource allocation trend and consequent means going to the beginning point of strategic management process.2. Strategic Planning Vs Strategic ThinkingThere has been a flowerpot of research done on strategic planning and strategic sentiment but seldom is the contrast explained well enough. Strategic thinking is more or less coming up with the next big idea. This is not the sole right of any one person. Everybody in the organization from the salesperson who suddenly discovers an unta pped market for the product to the business take head who can come up with product modifications and product innovations should ideally be a part of strategic planning process. This process involves intuition and understanding about the process. The endpoint more often than not is a vision of direction and not a concrete plan. The strategic planning is a natural advance step after this as explained below.Strategic Planning is articulation, elaboration of strategies that already exist. Planning essentially scarpers down an idea or a wide vision into smaller more concrete and clear steps that can be implemented almost automatically. buckram planning is very analytic and depends on rearrangement of established strategies, products and structures. Too much reliance on planning impedes organizational change. We then begin to experience only incremental changes and ordain miss out on many good opportunities. As a result people commence become disillusioned with Planning. Also pla nning tends to impose too many restrictions on the working of lower level managers by defining everything very precisely. These factors along with the ones listed below led to downslope of strategic planning in its current form.Deterministic FrameworkPlanning borders on being an exact science. It assumes many simplifying assumptions which generally do not hold true in real life. The planning process requires estimates within a very narrow band for it to have any sizable accuracy. But in todays fast changing world it is the one highlife that we do not have. There are too many factors that are changing ranging from technological breakthroughs to governmental regulations to entry of new and powerful competitors.The Silo SyndromeStrategic Planning was generally carried out in the management by exclusion mode. The top management basically got information from the ground level and develop strategies without consulting anybody at the ground level. This approach generally lacked the so ft insights that people in the field develop when they deal with the product which are far more valuable than general theories espoused by the management. The other drawback was the resistance it faced from the lower levels of the organization. They felt that these decisions were being forced on them by the top management and did not like the autocratic form of decision making.Formalization phantasmFormalization implies a rational sequence from analysis through administrative procedure to eventual action. But good strategies are not always formulated in that order. Most of the radical ideas were stumbled upon by accident. Many times we try things and those experiments that work gradually converge into viable patterns that become strategies. Formal procedures will never be able to predict discontinuities or create novel strategies.These shortcomings led to the decline in popularity for the practice in this form.2.1 Modus Operandiestablish on the above discussion we can broadly divid e strategy formulation into two parts namely strategic thinking and strategic planning. The business level managers are ideally positioned to take up the role of strategic thinking because they have the access to soft information from informal sources mostly like grapevine, informal talks with the people on the field. They also have the suitable authority derived from their position to take decisions and provide directions. erstwhile the rough plan has been outlined the planners can take over. This method has some distinct advantages. The planner has the analytical tools and the abilities to give proper shape and form to the outline. The manager also does not generally have the time to break down a plan into finer and actionable sub-plans.2.2 Advantages of highly evolved plansA well articulated plan can ensure coordination among the various parties involved. This will also help clarifying the roles, responsibilities and interdependencies present. These plans can also be used to gai n tangible support from outsiders. Written plans can also be used to inform financiers, government and other stakeholders about the current state of the company.2.3 Roles of PlannersStrategy FindersIt is basically the responsibility of the mangers to nonplus out and formulate new strategies. Planners can help the mangers in this regard. Planners can snoop around places to find patterns while eliminating the noise from the data. They could discover new ways of doing things like finding out new markets and also coming up with new products for the existing markets.AnalystsPlanners also have the responsibility of carrying out analyses of specific issues. Planners are an obvious choice for studying hard data and ensuring that managers consider the results in strategy-making process. This may include industry analyses, competitive analyses, and internal analyses among other things.CatalystsWhen the planners are donning the role of catalysts they are not a part of the decision making pr ocess but they ensure that the right kind of people line managers, business level managers are in charge of this process. Planners in this role help mangers get out of ruts and help them think out of the box. This could be achieved by challenging the conventional wisdom and practices by asking uncomfortable questions about the status quo.Overall strategic management is a process by which the managers along with planners come up with new ideas that help the firms chart their future course of action and stay ahead of the curve.3. Strategy Development Process at JUSCOThe Strategic Planning Process (SPP) at JUSCO is led by the Managing Director along with Senior Leadership Team (SLT), the purpose of which is to jointly establish directions for future success throughEvolving analysis-based Long Term/ bypass Term plansSetting measurable goalsSetting review mechanism to monitor progress and take corrective actionSPP has a flow which is aimed at ensuring focus and action ability of strateg y. SPP is an enterprise level process comprising of four basic steps Plan-Develop-Deploy-Review (shown in figure on next varlet along with the key steps, participants, outputs and timelines).The process includes revisiting Vision, identification of Strategic Direction / Challenges / Advantages / Objectives and Long Term / Short Term plans followed by deployment through Balanced degree Card (BSC) and review. It is supported by data / information gathering and analysis including comparisons with benchmarks / competitors / past performance / targets.Strategy development is a continuous process with strategic directions being reviewed by the Board. In order to formalize directions, SPP is followed each year with inputs, schedule and participation across levels. SPP utilizes inputs from promoters expectations, external environment, other stakeholders, strategic challenges and advantages identify by each businesses / functions, aspirations for each business, process reviews and feedback of internal and external assessments. with collective discussion in strategy workshops involving SLT, corporate level strategic challenges and advantages are set. Challenges posed to the organization by various stakeholders are identified collectively in the strategic planning sessions. From the list, strategic challenges are identified which are likely to exert most decisive influence on companys future success. Principle Success Factors (PSF) are then identified which can help the company overcome the strategic challenges. From list of PSFs, competitive differentiators, strategic advantages, core competencies and likely future core competencies.As part of SPP, formulated strategy is syndicated with strategic advisors, consultants and sectorial experts. Strategy is also presented to the Board for its inputs and approval. This brings external perspective, utilizes market standards and helps in validation of potential blind spots identified during SPP.Short-term and long-term plann ing horizons are 1 year and 4 years respectively. JUSCOs major businesses (Water Services, Power Services, Municipal Solid untamed Management, etc.) are primarily in domain of government and semi government bodies. Reforms have begun in these sectors and are evaluate to translate into business opportunities. In such a reforming sector, a 4-year time frame allows appropriate assessment of dynamic market and evolving regulations.First years plan of 4-year horizon is the short term plan, which forms the basis for Annual Business Plan (ABP), thus integrating short-run and long-term planning horizons. These time horizons are reviewed continuously for their adequacy in addressing needs of planning process. SPP has undergone several rounds of Evaluation Improvement (EI) based on the changing environment and needs of the organization.4. Inputs to Strategic Planning ProcessEnvironment Analysis Environment scanning is done throughout the year, which incorporates analysis conducted by bus inesses/functions and discussions in reviews. Performance reviews, ABP sessions and Business Excellence assessment feedback help in identifying industry attractiveness, companys SWOT and competitors strength and weaknesses which are used to modify strategies, BSCs and targets. SPP captures information on various factors from internal as well as external sources.Strengths and weaknesses Gaps in capabilities of resources are assessed to identify training and development, recruitment and organization change needs, IT initiatives, new business opportunities, procurement of equipment, etc. JUSCOs major strength lies in its ability to manage irrigate supply on river-to-river basis, its understanding of municipal water market which helps in taking risk in emerging market and bidding competitively, urban power distribution and Municipal Solid Waste (MSW) management. These strengths are used in SPP to identify competitive position booster cable to direction for growth.Changes in Regulator y Environment The sectors JUSCO operates in are expected to be under continuous regulatory scrutiny at all times. Interaction with regulatory bodies and consultants, participation in conferences, legal and internal audits help in identifying statutory shifts and legal requirements and ensuring compliance. At the business levels, changes in regulations are closely monitored to enable quick reaction.Opportunities and threats SPP captures information on emerging opportunities and threats while deciding strategic challenges and accordingly plans are made for timely training of organization and capturing these opportunities. Opportunities arising out of reforms in power sector had been exploited by JUSCO previously by acquiring license for Saraikela-Kharsawan district as first parallel power distributor in the country and more such future endeavors are planned.major(ip) shift in Markets Customer preferences These are identified through interaction with potential customers during busine ss development, industry meets, conferences, customer satisfaction surveys, customer feedbacks, etc. Analysis of marketplace shifts provides inputs for innovating business models, identifying strategic objectives and Long Term/Short Term plans e.g. identifying partners, targeting new market segments and geographies, etc. PPM and SWOT analysis deal with customer, market needs, expectations and opportunities.At business/ utilitarian level, inputs from Customer Complaint Handling Process (CCHP), Customer Satisfaction slew (CSS) and Customer Visit Report (CVR) are used to evaluate and improve operational effectiveness parameters like cycle time, response time and wait on quality and also to align capabilities like IT system, HR skills, etc.Major shift in Competitive Environment As integral part of SPP, information on competition is captured through internal market surveys, win loss analysis, various professional bodies, conferences, publications etc. Information is analyzed to assess competitive strengths, weaknesses, strategies and capabilities and prepare pricing and positioning strategies. This information is also employ to identify new opportunities and partnership requirements.Major Technological shifts At corporate level, SPP utilizes analysis of technological shifts to enhance competitiveness, improve services, and identify partnership and qualification needs.Recent significant shifts in technologies have been reuse of waste water and desalination of sea water for potable needs. At business/functional level current performance is evaluated for potential improvements through technological up gradation. IT infrastructure improvement/up gradation is based on scalability, responsiveness, accessibility, productivity improvement, etc.Human resource capabilities HR strengths and weaknesses are evaluated through analysis of employee mix, engagement survey results, leadership perception survey results, skill gap, attrition, etc. Redeploying resources, creation of bench strength, Rewa
Analysis of the Flying Geese Model for Japan
Analysis of the libertine Geese Model for japanThe last 15 years we stand nonice an enormous growth of body process by multi issue corpo dimensionns, as metric by inflows and outflows of contradictory direct investiture (FDI). On the an different(prenominal) collapse of humankind-wide growth, lacquer is in the 18th year of stagnation with a prolonged financial malaise. Al just about(predicate) ii decades ago, lacquers phenomenal growth was ad tangled and take off feargond as unstoppable in the introduction. It is almost shrinking prudence. so far FDI has lumbering(p) much faster. The worldwide nominal gross domestic product increase at 7.2 portion per year. Also the worldwide imports grew at 9.2 per centum and worldwide nominal inflows of FDI increase at 17.6 per centum amid 1985 and 1997. In the 80s to late 80s, we have seed lacquerese financial bubble which was based on industrial r apiece after the Second beingness War. These figures mentioned above prove the new financial investments while Nipponese economy was growing quickly, retained earnings of affiliates, and bollix border mergers and acquisitions during grew at heart 70s to 90s.In this piece of music, the flying-geese mock up is useful in capturing the union of Japans thriving industrial upgrading and Asias great deal-led growth a meetst world economies tho fails to explain wherefore such(prenominal) success would ever triad to the present economic dilemma and still happening in particular in China even the world economic crisis. This is because it ignores the institutional, especially financial, nettherpinning of Japans catch-up strategy. Nipponese academic scholars and policy gullrs came to often described Japans industrial advance in terms of the catching-up growth with a model questionable flying-geese model. This model was puff up-use among media also. What were the fall upon enabling institutional features of Japans once proceedingive fly Geese catch-up strategy? How did they function? Why did they come to cause the 1987 1990 bubble and the reliable financial imbroglio? How did Japan increase outward-bound FDI? How get out Japan be manikin outed?Also by victimization Flying Geese model argues that the conventional Flying Geese model of catch-up strategy, though instrumental in depict the essence of latecomers (notably Japans) industrial upgrading and Asias pile-led growth, has so far neglected the institutional (especially financial) place of such a catch-up, that Japans present financial imbroglio is paradoxically the genuinely outcome of its successful Flying Geese strategy that was once pursued under a special set of institutional arrangements after the Second humanity War that is, the Flying Geese catch-up regime became soon obsolete and even rigidified all over years, trapping Japan in the present financial quagmire, and so far, the reform is, strangely enough, market driven in the sense that two ke y market imperatives inward mergers and acquisitions (MAs) by exotic investors and the mandate of the Net-Driven New Economy-have begun to get Japan to remold itself more than(prenominal) compatible with the norms of global capitalism.Mergers and acquisitions (MA) argon a large proportion of the whole especially, among the wee countries with their value constituting 49 pct of be FDI flows in 1996 and 58 portionage in 1997 (UNCTAD, 1998). Between 1983 and 1995, foreign affiliates of all nationalities accounted for among one-quarter and one-third of worldwide merchandises, according to figures from UNCTAD (1998). It is noteworthy that Japan once did play the role of Asias leading target of FDI Inflow originally the reveal of the 1987- 1990 asset bubble.Some commentators have estimated that multinationals atomic number 18 responsible for 75 pct of the worlds commodity trade (Dunning, 1993). Firms that invest often have almost type of intangible asset they want to kee p inwardly the fuddled, sooner than endeavor through licensing. Furthermore, investing firms argon often the larger firms in their industries. All these schoolings and issues need to be examined as path-dependent evolutionary events within a reformulated the flying-geese model, an institutional model of Flying Geese catch-up.In microeconomic aspect, this paper emphasizings those causes of Japans true predicaments that ar not adequately examined. Japan is not in a real-sector crisis its fundamentals (technological systemal and productive capabilities and wealth accumulation, through in that respect is definitely a hangover of excess capacity) are as strong as ever. It is in an institutional crisis. thither are good reasons why reforms are so hesitantly implemented that is, not so swiftly and son resolutely as out grimace pundits think Japan should do, originateicularly when they apply the logic of Anglo-Ameri depose market-based tenets.In the contrast of world macro point of view in the model, also focusing into micro aspect, afterwards-all explaining how Nipponese economy grew rapidly to catch-up occidental economies, this paper would like to introduce micro aspects of the world entities by using two distinct types of theoretical models describe the two distinct forms of multinational activity. In models of horizontal activity, chief(prenominal)ly focus a trade-off between the fixed personifys tough when a comp whatsoever position up a new works and the saving rapture and tariffs in varying approach on exports. These factors are the key concerns to make the last for any entities to go multinational. In models of plumb activity, since there is a be contravention in the world for example elbow grease cost, low sensible cost, and so on. This kind of cost divagation is a factor to attract umpteen entities to invest Foreign Direct Investment. Tariffs and ravish cost twain elevate vertical multinational activity, by expanding price differences. There are outrage if headquarters and the affiliates assume more expensive cost. Those two types of models are used to observe latest multinational activityMy back up objectives in this paper are to discover main facts and tendencies virtually the multinational activities by distinguishable geographical topical anaestheticitys to explain these facts by using the horizontal and vertical parity as well as flying-geese model. My focus from regions, realm pile to Japan on the mending of FDI means that this is not a comprehensive lot of all issues raised by FDI. With overview of theory, I also introduce an overview of the facts about the location of multinationals. Empirical studies explain the pattern of regional location especially Japan.1. INTRODUCTIONI.I. The top largest amount of foreign direct investment (FDI) is between lofty income demonstrable countries, U.S. (US$2,093Bil.), U.K. (US$1,348Bil.), France (US$1,026Bil.), Ger many a(prenominal) (US$630Bil .), Canada (US$521Bil.), Italy (US$364Bil.), Russia (US$324Bil.), Japan (US$133Bil.), and noticeably Belgium (US$748Bi1.), Netherland (US$673Bil.), Spain (US$537Bil.), which are also authorized high amount of FDI. Among BRICS, we must note that China (US$1,511Bil.), Brazil (US$328Bil.), and India (US$76Bil.), which are increasing. The rest in 2007 figure of GDP yet there has been rapid growth of investment in rough growing and change regions during the 1990s. Thus, the ratio of FDI inflows to GDP has remained fairly s duck for demonstrable countries, at around 0.9% of GDP. entirely for evolution and transition countries, this ratio has change magnitude from 0.8% in the late eighties to 1.9% in the mid-1990s. Outward investment from exploitation countries has also risen novelly, exclusively remains modest compared to both developing commonwealth GDP and total world external investment. 1.2 In the mid-1990s, multinational firms undertook total 66% of US exports. Also 45% of these exports went directly to affiliate companies. The one of the biggest economy in the world is U.S. for over four decades. Take a look of US affiliates in this case as an example. The US affiliates which divulges their service and products in overseas is three epochs larger than US exports. It is important for the multinationals in the world economy has steadily increased in micro aspect which is not happening right today controversially.Multinational activity in high income countries where as developed countries are overwhelmingly remaining the equal level as previous years as horizontal. This type of economy involves in mathematical product in overseas wherefore import to the host country market. There is a high proportion of activity in developing countries as vertical which involves that manufacture of negociate horizontal surfaces of the production care for and so ship to home country to assemble to the final products. Thus, little than 10% of Japanese affil iate production in the EU is sold impale to Japan, compared to the numerous affiliates who brings goods posterior from developing countries 20% or more. There is akin case as Japan to US affiliates also. Only 4% of US affiliate production in the EU is sold gage to the US, whereas for developing countries the figure goes up to 18%. Surprisingly, from Mexico more than 40% goods are brought back to US market. This trend tends to be all over the world where they produce service or products in the topical anesthetic market and generate the turn-over within the same strategic region.1.4 A large share of investment stays close to home-country or neighbouring countries. For example, US investments tends to be heading towards EU countries to correct for distance with the largest markets which the home countries are culturally-familiar. FDI is a good deal more geographically concentrated than either exports or production as a whole. Thus, while US affiliate production in atomic number 63 is as about 7 times larger than US exports to Europe, this ratio goes refine to about 4 times for the rest of developed countries and to almost 1.6 for developing countries.1.5 There are more horizontal investments by the major outbound investors in large markets. For the US invests more towards Europe, and especially the UK. Because of there are no barrio in language, which may help. For Japan and Europe directs their investments towards the US but the majority of investment from EU stays within the EU region also. There are certain tendencies we potbelly observe that the major outward investments direct close to their neighbouring countries for example from the US to Mexico, the EU towards Central and easterly Europe, and Japan to Asia.1.6 The scale of multinational activity is probably better calculated by looking FDI flows and together with gross revenue of multinational firms. We can observe more FDI supply within developed countries pre preponderantly. The most of deve loped countries controlled 89.8 per centum of worldwide FDI stock in1997, compared to 10.2 percent for the developing and transition countries. In 1996, there was $612.0 billion worth of goods exported but about 66 percent of the goods were exported by US multinational parent companies. The most of US multinational agnatic companies were sold to exporters own foreign affiliates or related companies. Recent FDI flows introduce just about deny in the dominance by the developed countries whereas during the completion 1988-92 they accounted for 92.5 percent of total FDI outflows, but due to Japanese bubble burst and Asian Currency crisis during the five years from 1993 to 1997. The share fell down to 85.3 percent.From 1988 to 1992, developed countries stock FDI inflows at an clean annual rate of 0.90 percent of their GDP. On the same period, developing and transition countries received FDI at an fair annual rate of 0.78 percent of their GDP. The inflow rate of developing and tra nsition countries doubled to almost 1.91 percent of their GDP from 1993 to 1997. There was decrease among developed countries slightly down to 0.87 percent. The share of worldwide FDI inflow increased from 21.8 during 1988 to 1992 to 39.8 percent in the 1993 to 1997 period at the developing and transition economies period. As we can observe in the figure 1, there was dramatically increased.The vivid difference between developing countries and transition countries to developed countries is measured by unadulterated economic size, and the difference in outflows sexual congress to GDP is perhaps less than exponent be expected. The distribution of FDI is quite uneven among developing countries. From the 1993 to 1997, nevertheless 10 countries as Singapore, Malaysia, China, Indonesia, Mexico, Chile, Brazil, Argentina, Hungary, and Poland accounted for two-thirds of all inward flows. China alone received an annual average of 30.6 percent. Indeed, China has the biggest increase in flow s among developing countries. intact world FDI flow rose from $3.2 billion (2.9 percent) during 1988 to 1992, to $45.3 billion (12.2 percent) for 1993 to 1997. This means it increased 14.2 times bigger in amount which counts about five percent of Chinas GDP in 1997, remains strong still. The main sources are Considered to be Chinese business groups resident in Asia, Chinese businesses resident in China. In contrast, there is part of this world where it has decreased FDI in time to time. All of sub-Saharan Africa including South Africa received an annual average of 3.2 percent during 1993 and 1997, a decrease of almost 2.1 percentage points from the annual average of 5.3 percent during the 1988 to 1992 period. There is slight increase sub-Saharan Africas share, during 1988 and 1992 from around 1.0 percent, to around 1.3 percent between 1993 and 1997. This helped in its inflows of FDI proportional to host country income, as in figure 1, where I see nigh increase in FDI to Africa, b ut at levels downsized by more inflows to East Asia and Latin America.Within developed countries, the share of the worlds FDI stock was as follows the US who controlled 25.6 percent, compared to 45.1 percent for the European coalescency 15, and 8.0 percent for Japan in 1997. So the biggest single country investor was the US then to Japan in percentage-wise. Japan is in the economic stagnation and even in a potentially imploding financial crisis at that time. It struggles to squinch from a decade of stagnation. However, Japan still invested towards the world FDI investment as 8 percent of share. out front the bubble burst in 1991, Japans phenomenal growth was once admired and even feared as a juggernaut. Japan and the rest of Asia grew in tandem and basked in clustered regional prosperity, which the World Bank (1993) called the East Asian miracle. During 1985 to 1997 the developed countries received fully 71.5 percent of FDI flows. Of the G-7 countries, France, Germany, Italy and the UK sent more than three-quarters of their 1997 FDI flows to the rest of the OECD Canada, Japan, and the US sent more than 60 percent most recently. The common pattern was appearing as intra-industry FDI investment which was almost one-quarter and one-third of worldwide exports, according to figures from UNCTAD (1998). The most shares were accounted by foreign affiliates of all nationalities. Most of FDI investments went to advanced industrial countries. One popular authority of describing such a regionally agglomerated growth with its FDI was the model of alleged(prenominal) flying-Geese formation. In this depiction, Japan served as Asias lead FDI investment target, the NIEs as the second-ranking and the ASEAN-4 as the third ranking geese, and China as a new latecomer. Characteristically, most FDI investments is concentrated heavily in industries characterized by high levels of re attend and instruction, a large share of professional and technical workers, and production of t echnically knotty or distinctiated goods.However Asias financial crisis seemingly disarrayed FDI investment during 1997-98. By looking at Japanese economy with the enormous FDI effect ever since the start of the 1990s Japan, a supposedly Asias lead FDI target, has been mired in a self-inflicted financial crisis ever since the bubble of 1987-1990, as well as Europe, Japanese flows boomed during the late 1980s, although have now fallen back to a position broadly in line with existing stocks which is now made all the more dangerous with a triple deflationsimultaneous declines in the prices of goods, real estate, and equity shares. The Japanese economy is in a brute(a) circle of a drop in share prices ?a decline in banks asset value and land prices as collateral? a credit crunch ? more business failures ? a rise in bad loans ? a further drop in share prices. rattling recently (March 2001), the Bank of Japan adopted a drastic monetary policy to flood the second economy with liquidity . This policy is called iyoteki kanwa ( denary easing), and unprecedented (some called twilight-zone) monetary policy designed to prevent price destruction in hopes of touch demand.Please refer the Figure 2 which shows the time series of FDI outflows relative to source country GDP. Outward flows from the developed countries in average about 1.3 percent of their GDP each year from 1993 to 1997. Noteworthy, the EU had much higher(prenominal) rate than rest of the world which was almost 2 percent of GDP if I calculate together among 19 countries of source EU. Ignoring the fact of intra-EU investments was more common. There was increase of outward FDI flows of their GDP from developing countries during 1988 to 1997 as average 0.3 percent to 0.8 percent during 1993 to 1997. While intra-OECD investment and intra-industry investment within the OECD have been long constituted facts, an emerging trend is the rise of FDI to developing countries.Before introducing through the flying-geese m odel, would like to go through the Outward FDI of Japan, the United States and Europe to give good insight of economic development and how the outward FDI increased as the economies grew world-wide. Multi-nationals are spread all around the world to exploit their chance of conservatives may describe as kokunai sangyou kuudouka in Japanese means, excretion national industries. Next chapter will introduce country or region-wise of development of Outward FDI. We would see how it happened on the time line of growth, and why it was required to activate as whole in the world by introducing the Outward FDI of Japan, the United States and Europe.2. Location of multinationals THEORYThere are two main reasons why a firm should go multinational.To better serve a local marketTo benefit in pose from low costFDI in search of low-cost inputs is often called vertical FDI. Vertical FDI has its character of slicing the production cost to relocating part of this chain in a low-cost location or count ry vertically. For example, when a Japanese electronic manufacturing even though component manufacture companies which assemble electronic goods in Asia as Indonesia, Malaysia or Thailand, and final sales might take place in the US or third countries. The biggest merit is cheap inputs of labour in dissimilar skill levels starting from primary commodities, intermediate parts, or even externals, such as knowledge spill over. Vertical FDI ordinarily create trade because products are shipped in different location when they find cheaper labour cost of assembling points away from the location where they produce small components and/or intermediate goods before assembly. The distinction between vertical and horizontal FDI can sometimes become blurred because one make may serve both functions, others may not. It is totally depended on local cost to open a plant to serve a market.In contrast, FDI designed to serve local markets is often called horizontal FDI. It has its character of invol ving duplicating parts of the production process as additional plants are work uped to supply different locations. This vertical FDI usually substitutes for trade, since parent firms replace exports with local production. The motive is to reduce the be involved in supplying the market such as tariffs or manoeuvre be or in some other way to advance the firms competitive position in the market.2.1 Vertical FDI and factor giftsThis vertical FDI was introduced by Helpman (1984, 1985) and Helpman and Krugman (1985). Later on, Heckscher-Ohlin dieed trade model with two factors of production and two sectors, one perfectly competitive, producing a homogeneous good under continual returns to scale, and the other producing differentiated products under increasing returns to scale. Firms in the increasing returns fundamental part of multinational activity takes the form of firms shifting a stage of their production process to low-cost locations in recent years. The view of this recent vertical FDI trend is due to different parts of the production process have different input requirements. Since input prices vary across countries as Japan is high labour cost as many developed countries compare to the developing, it may be profitable to divide production, undertaking unequal to(p) labour intensive activities in the country where they have sufficient widening of labour. numerous sectors have distinct headquarters and production activities in different countries and locations.When the firm could not find any incentive separating headquarters and production, firm may not activate multinational activity for example, in this vertical FDI model will create similarity of free trade in goods because the internationalistic equalisation of factor prices are almost equal to the contribution.However trade does not equalise factor prices if the relative endowments are sufficiently different. When one economy has a much higher endowment of labour relative to capital than the others, then there is a merit to go multinational and also profitable for firms to divide activities, putting the more capital-intensive part as headquarter of the firm in the country where there is enough capital. The capital-abundant economy evolves an exporter of functional headquarter to its production operations positiond in another economy.If the transport costs on trade in final goods are higher than factor price, then it may imbalance the equalisation the consequent international differences in factor prices. The consequent international differences in factor prices increase, then many firms may profit the incentives to divide production unless relative endowments are identical. Also in this analysis, there is regarding to the costs of dividing production. Firms may have to requital additional costs when they have their offices, headquarters and productions in the different countries which make multinational production less attractive. It depends on the interaction betwee n these forces when comes to the decision whether firms go multinational, and where they locate different activities in the different countries.To analyse whether firms to go multinational or not, may very depends on the cost of fare in distances from an economy where the firm located to the location where they import goods and/or components which they export at least some of their final output. Transport costs both on imports of intermediate goods and final products and on export sales are higher when firms are located far away from its origin. Since many firms need to face heavy transport to the locations further away from the origin, it is not attractive.In particular, the price of factors used intensively in the locations export activity will be low, so investment projects that are intensive users of these factors may be attracted to remote locations. The cost matter has of all time been discussed. It can be a big penalty for firms. It was introduced by Radelet and Sachs (1998) . It is nearly impossible to trip from the cost but since these locations also face transport costs on their other trade-able activities, their factor prices will be degrade. In general, when firms choose to locate in a particular country, it depends on the factor intensity of the project, relative to the factor intensity of other exports from the country, together with the intensity of project, relative to the transport intensity of other goods traded by the country. This shows some patters of the projects which they locate close to established manufacturing regions, and which will go to the countries far away.52.2 Horizontal FDI and market accessMany firms can choose if they want to supply by exporting or by producing locally in the different countries. This way is already being multinational. Under what circumstances will it choose to become multinational? Firms are required to pay additional cost when they want to establish local production factory. Some are production costs, both variable and fixed, their size depending on factor prices and technology. Also on top of establishment cost, some may have to pay more additional costs for relations with foreign administrations, regulations, and tax systems. To cut down their additional cost, firms may create joint venture with local firms, give licensing arrangements, or sub-contract. The presence of plant level economies of scale will raise the cost of establishing foreign plants. As long as they can gain merit if they compare the cost production at home to the foreign factory.On the other side of effect, switching from exporting to local production will bring cost savings, the most obvious of which are savings in transport costs or tariffs. If the factory is close the market, they gain more advantage in condenseder delivery times and ability to respond to local situations and preferences. Even when some accident or damage occurred to the operation of delivery from the factory to market, they can sort inst ead of sending labour from headquarters.Theoretical modelling of this sort of FDI has typically posed the issue as one of a trade-off between the additional fixed costs involved in prospect up a new plant, and the saving in variable costs transport costs and tariffs on exports. Analysis is usually based on a new trade theory model, in which there are distinct firms, and the issues of increasing returns and market structure are addressed explicitly (Smith, 1987, Horstmann and Markusen, 1987, and Markusen and Venables, 1998).The first point is that the value of FDI to the firm may realize net costs exceed in its budget, even a firm gain strategic value by establishing local production. In an monopolized environment each firms sales depend on the marginal costs of all other firms. If one firm reduces its marginal costs then it may hie rival firms to reduce their sales, and this will be of value. Essentially, firm who invested FDI may pay a lading to supply the local market since the y control the market. This commitment may change the behaviour of competitors. Turning to the location of FDI, the theory predicts that FDI will replace exports in markets where the costs of market access through exports especially in the countries where tariffs and transport costs are high, or where the costs of setting up a local plant are low. These predictions seem to be at odds with the facts of high (and rising) FDI between economies with low (and falling) trade roadblocks for example, within the EU and between North America and Europe, although the apparent contradiction might be resolved by the simple fact that countries with low trade barriers also tend to have low barriers to FDI.The theory also predicts that FDI is more likely to replace exports the larger is the market. There are two reasons. The first reason is that the fixed cost each plant by plant may differ. If the market is bigger, then the output of production has to be the larger. The second is that larger market s will tend to have more local firms. This means more contention in the big market than smaller markets. This competition in the big market will lead to a lower price. If the marginal cost of supply through exports is relatively high, be oddly damaging to the profitability of exporting, tipping the firms decision in favour of local production. Markusen and Venables (1998), they extend these models to a full multi-country framework, analyse the mix of multinational and national firms direct in each country. They sorted the multinational firms in the each country in size, and also in other economic dimensions, such as technology and factor endowments. Thus, as Europe has become integrated as EU where is expanding the economic integration. Since EU creates common registration and trade barrier to the foreign investments for their economic protection on the other hand costs of supplying have been declining. So it has become more worthwhile for US and Japanese FDI to enter European ma rket.The market size and factor endowment models suggest that all locations have some production, but only some locations will have FDI, meaning that FDI will appear to be clustered. whence there is some evidence that FDI is spatially more clustered than other forms of production. This could appear in the data for reasons we have already seen. Since foreign investors are able to access to invest to privatization programs easier than since cross-country variations in legal framework barrio has been lowered, particularly in transition economies where are growing, where Alternatively, clustering of FDI may be due to positive linkages between projects, creating incentives to locate close to other firms. There are several important mechanisms. One is the spill-over created by research and development. some other is gaining confidence and experience, and the possibility that firms come together firms are not always sure whether FDI to a particular country is a good idea until they get r esults or advice from other firms. So they rely on the successful advice of forefront firms which have been invested FDI as a signal of underlying national characteristics. Arising supply and demand for intermediate goods have been extensively analysed, but not particularly from the perspective of FDI.3. Japanese Outward FDII now revue the empirical studies on the determinants of the location of FDI. I therefore organize the material of Japan. Japan is one of the heavily researched country who seems to be benefiting from FDI.First, the more than fractional of investment to developed countries were shared countries as Japan, the US, and EU. However the US was the dominant host. The feature of Japanese multinationals has a distinctive character which is the way export strategy has effective together with investment strategy. The heaviest Japanese investments were occurred in the US in the 1970s. During 1970s was in distribution boom rather than production. Japanese companies could m arket their durable-goods exports, such as machines. There were subsequent investments on automobile industries for their productive facilities to spread distribution networks within the world market especially in the US. Another result of this export success was that the threat of quantitative restrictions on exports, starting in the late 1970s, turned into a monumental motivator for Japanese FDI in the US and Europe (Gittelman and Dunning 1992). They described that Japanese investment in both the US and Europe responded to such threats in trade balance, though investment activity in the US seemed to lead investment activity in Europe. It continued until several years during the 1980s. Japanese were expanding their distribution network in Europe while the Japanese were putting most of their efforts into productive facilities in the US in the early 1980s. After 1980s, there was trade off balance issue occurred in the US and Europe, so after investment in productive facilities, fol low-on investment arrived to establish local production of inputs. A second characteristic of Japanese FDI is the of import amount of resource-based FDI, since Japan has no resource within their country. Particularly heavy investment was invested in Latin America and Australia (Caves, 1993, and Drake and Caves, 1992). As we see from table 2 that around one third of output from Japanese FDI in these regions is exported back to Japan. The third characteristic of Japanese FDI is its role in the development of the wider East Asian economy. It certainly attracted Japanese investments because lower wage economies as a base from which to supply the Japanese market in short delivery distance and export to third markets which it has involved relocation of Japanese production. While FDI played only an important role after-war reconstruction social occasion in the development of some of the first wave of Asian impertinently industrialised countries as Taiwan and Korea. The s
Friday, March 29, 2019
Hydrophobic And Hydrophilic Interaction In Protein Folding Biology Essay
Hydrophobic And Hydrophilic moveion In Protein Folding Biology EssayReview the mechanism of protein bend dexterModule Enzyme Technology and BiocatalystsModule leader Prof. Steve ForsytheProteins atomic play 18 the bio molecules which play pivotal role in this living world. They atomic number 18 creditworthy for prospect of authorized characters in various types of prison cells and constitute around 50% of the total cell dried mass. Proteins be the chain of aminic bitings which binds with polypeptide gumptionb angiotensin-converting enzyme and then fold in a unique 3D ( inbred) view by which protein carriage rails break through. Various forces and factors are responsible for protein sheep pen .If right expression of the protein f tout ensemble(prenominal) non take place, it ordain cause disorders in human body. numerous indispositions uniform Alzheimers Parkinson, cystic fibrosis etcetera(Baldwin 2007) is caused receivable to improper plica of prote ins. For proper expression of protein, the amino acid chain should be in its unique 3D social organisation. Some measures proteins require sponsor in sheepcote, molecules which service in the plica are k straight as chaperones. These molecules benefactor in the faithful of the veritable protein molecules and also prevent the un crimp of the molecules.In this assignment, I deal assay to describe the mechanism of the protein congregation and effect of various factors which influence protein fold by taking into consideration the present increments in our understanding of thermodynamics and kinetics of protein.INTRODUCTIONProtein folding refers to the march by which a protein assumes its characteristic organize, cognize as the native render. Protein folding is genuinely complex mechanism and bulky development in its understanding has been achieved in last 20years due to the development and use of virtually sophisticated modern techniques like X balance beam Crys tallography, N.M.R, and Mass Spectrometry etc. In the last few decades, we convey managed to find the 3D social organisation of various proteins and how actually protein folding takes place. In the complex process of protein folding, various factors act together to construct item 3D bodily social organize of a protein. Protein folding is a very prompt process taking milliseconds to seconds.Due to high(prenominal) gear speed of folding, it is not likely to find each and every possible con fundamental law in fractions of time. Levinthal state that each protein elicit possibly make millions of pathway modality by which a desired 3D pattern can be achieved. By orbit of ordinarys we can understand the mechanism or pattern on which protein folding works. But it is impossible to find bring out(a) all possible organize of protein molecules.Protein folding study uses denaturants which help to denature the protein. The logic is to use denaturing conditions videlicet high pH, Temp, Pressure etc to stop folding at intermediate stages (Stop coalesce technique) to study these intermediates, thereby generating an overview of the whole process. Fully folded social system is also k immediatelyn as native complex body part. Protein folding studies have also been done in in-vivo and in-vitro conditions. In in- vivo protein folding, some metal ions act as cofactors. These cofactors stabilise and speed up protein folding and finally help to achieve native stage .Macromolecules like chaperones initiate protein folding, helping the protein molecule to retain its folded validation and making it unchanging. In-vitro engrossment of macromolecules is very less, around 1% of what is originally present in the cell. So inside cell, these molecules also affect protein perceptual constancy and make them more stable than in vitro (Rumfeldt et al. 2008)Protein folding can be a two stages or multistage process, depending upon the type of rank. A single point mutati on can alter folding from two stages to multistage and vice-versa .Some previous studies show that protein sequences of less than 80 amino acids prefer two stage folding and large protein sequences having more than cxxx amino acids prefer multi stage folding. Later studies have shown that sequences rich in F and G amino acids prefer two stages folding where as sequences rich in C, H, L and R amino acids prefer multistage folding (Ma, Chen Zhang 2007)PROTEINS FOLDINGHydrophobic and deliquescent interactionProteins are do of amino acids and joined by polypeptide bonds leads to formation of polypeptide backbone. We have only 20 type of the amino acids .whose combinations code for much(prenominal) complex twist and folding .These amino acids can be divide in two groups one is hydrophilic or opposite group and other(a) is aquaphobic or non paired group and their interaction with the cytoplasm make them folded(Trevino, Scholtz grounds 2007) arctic OR HYDROPHILIC amino ACIDNON -POLAR OR HYDROPHOBIC AMINO ACIDASPARTIC ACID DALANINE AGLUTAMIC ACID Egenus Glycine GARGNIN RVALINE VLYSINE KLEUCINE LHISTIDINE HISOLEUCINE IASPARAGINE NPROLINE PGLUTAMINE QPHENYLALANINE FSERINE SMETHIONINE MTHREONINE Ttryptophane WTYROSENE YCYSTEINE CIn the early stages of research, problem was wherefore protein folds to a specific social structure and which part of the protein carried information for the folding and afterwards on this was find that primary structure of the protein code for the final 3D structure. Hydrophilic and hydrophobic interactions of the amino acids adjust protein it such a counselling that it suffers minimum repulsion and problem from the surrounding. In folded state of protein all hydrophilic amino acid molecules pursue at the other side and interact with weewee in the cytoplasm and hydrophobic molecule come at the inner side of the molecule and dont show all reaction and attractive feature with water molecules and finally protein folding take pl ace in such a way that suffer minimum repulsion (Baldwin 2007)All amino acids have different energetic in secondary structure. There are many chameleon sequences in protein structure which can be interpreted as of import curl or beta sheets depending upon the tertiary structure of protein. These chameleon are stabilised by hydrophobic forces (Chen et al. 2008)Fig.a shows yel clinical depression warp hydrophobic molecules inner side of structureFig.b shows folding takes place and keeps hydrophobic molecules in inner side(Chen et al. 2008)Apart from these interactions atomic number 1 adhere is very strategic in the protein folding.Hydrogen attach takes place between hydrogen and electronegative atomsIn the maintenance of the native structure hydrogen bonding present in between the polypeptide amino acid chain which implemental in the formation of the secondary, tertiary and quaternary structure of the proteins. Hydrogen bonding also interacts between polar and side chain resi dues with the surrounding water molecules. During the denaturing of the protein hydrogen bond between protein molecules break and native structure of protein dotty (Djikaev, Ruckenstein 2010) Hydrophobic interactions are also responsible for the protein folding. During hydrophobic interactions amino acids which are non polar or hydrophobic they align themselves in such a way that all hydrophobic come together and all hydrophilic molecules make hydrogen bonds with water molecules, all hydrophobic amino acid come in to inner side of the protein molecules and formation of the nuclei take place which is hydrophobic these interaction further helpful in the secondary, tertiary structure and due to this protein stabilise and help to achieve native structure because hydrophobic molecules will not interact with water and evermore have hideous attitude toward water and let the protein in the folded form and finally such type of the folding take place in which molecule have hydrophobic core and all hydrophilic molecules in outer boundary of the folded structure(Berezovsky et al. 2001) innocuous energy and due south (G, E)Gibbs disengage energy (G) is also define as the amount of the energy which is free and this can also be defined as the pass judgment of unstableness and this measured by fair equatingG= H-TSG=free energy, H=enthalpy, S=entropy, T= temperature stochasticity (S) is defined as degree of randomness in any transcription, in terms of protein folding this can be define as the measure of the possible structure in the protein molecule at that take to be of the entropy. reciprocal ohm is responsible for the possible out come of protein as much high would be entropy as much high number of the confirmation would form. To minimise the entropy in the protein folding various force come in play like hydrogen bonds, salt bridges, disulphide bonds etc. these bonds help to reduce the entropy and favour protein folding(Brady, Sharp 1997)BOLTZMANN worked on the e ntropy and give us a very useful relation between atomic theory and entropy. Boltzmann proposed an equating which shows that entropy in any go arounded protein structure is tally to the product of his unending(KB) and natural log of number of all possible states which any protein can adopt(S)S = KB * NATURAL LOG (S)KB=Boltzmann constantProtein folding prefers low judge of entropy and follows that smallest path in which pass judgment of entropy is low. At different value of the entropy different number of structure could be present and finally all structure will vanished and one structure would be present at the minimum value of entropy, which is our native structure (Weikl, Dill 2003)Enthalpy (H) is also responsible for protein folding. This is also known as the measure of the total energy of the system including ingrained energy (U). P and V are the pressure and volume of systemH= U+P*VSo, we should search for such structure which have low value of enthalpy then the free ener gy, because which structure have low value of enthalpy that will have low value of free energy too(Brockwell, Smith Radford 2000)Gibbs free energy equation is the single solution for all protein folding problem. Gibbs equation shows that in outcome of protein folding, stable state will have minimum value of G. unfolded state have higher free energy then the folded one and protein folding have many intermediates, This stage is less populated stage and have maximum energy in the whole system, all above point of reference factor in the Gibbs equation adjust and finally erect such folded state in which value of G is minimum and this is known as fully folded and stable confirmation(Finkelstein, Badretdinov 1997)(www.biology-online.org/articles/statistical_thermodynamics_taking_walk.html)ChaperonesChaperones are bio molecules which participate in the protein folding. Proteins need swear outance in the folding and binds with cofactors .which allow them to fold properly .these cofacto r known as chaperones. These chaperones bind with the protein as N terminus of the protein formed and leave ribosome and until and unless protein learn his fully active 3D state and become functional(Tomala, Korona 2008) Chaperones are not only helping in the enlighten protein folding but they also help protein to maintain its correct 3D structure and prevent them to unfold .these molecules comes in to play when cell is under stress due to well-to-do conditions are not present and they also known as the H.S.P (heat daze protein).these molecular chaperones are HSP40(Dnaj), HSP60(GroEl), HSP70(Dnak) etc.(Rikhvanov, Romanova Chernoff 2007)Copied from Yon, Betton 1991Mode of actionChaperones recognise non native protein structure by their exposed hydrophobic regionsChaperones action is driven by adenosine triphosphate and for the activity of the chaperones assistance protein folding need of energy, which is provided by the ATP. These chaperones bind with the intermediate and unfold ed protein structure by the utilisation of the ATP intermediates or random curl up structure are unfolded and again they are fold in the correct 3D structure (NATIVE structure).Chaperones molecules are task specific that are different molecules perform different functions. For exampleHSP70/40They prevent aggregation and misfolding of impertinently synthesised protein molecules.HSP60They unfold intermediate and then fold them properly in to native structureChaperones are like catalyst, they enhance wander of protein folding and assist protein folding to native structure and after the formation of the native structure they separated. As like catalyst they take energy for the initiation of the processChaperones activity is much specialised, in stress condition protein get mutated, denature, and aggregate. Which whitethorn cause some wrong expression and code for some disease .In such situations they are enough capable to provide personalised discussion to different protein (Yon, Betton 1991)They can easily point out that which protein intermediate structure need to be degraded and which protein intermediate to be stabilise in the native structure and path should be follow for this process. In some mutation destabilise protein can be easily stabilized by HSP70 and some over expression of the specific chaperones. For example In bacterium HSP70 bind with the protein polypeptide chain during translation after the synthesis some protein released for expression and some may attached for some specialised folding and al intimately destabilise polypeptide chain degraded by chaperones (Tomala, Korona 2008)Chaperones activity is not simple they have multiple steps in their folding mechanism. Some chaperones required some other chaperones intermediate as substrate and then they provide native structure.Hsp90/70 mechanism chainSome chaperones may responsible for disease. it has been found that HSP90 enhance crabby person development because many mutated protein matur e in the figurehead of the HSP90 and cause cancer , repressing HSP90 such type of cancer can be able to prevent but problem associated with this is due to this action some non mutagenic protein will be degrade and not express and cause problem. But on other side HSP70 acts as grievous repressor in neurodegenerative disease and prevent this disease in the fruit flies (Tomala, Korona 2008)Models of protein homunculusling and structure predictionPlaxco and co-worker modelThis model shows that high degree of correlation between folding rate and structural properties of protein explain on the priming coat of pass order (CO). This can be cross validated from various experiments that folding rate and contact order are dependent to each other., Lis the sequence spaceNis the total number of inter-residue atomic contactsLijis the sequence separation of contacting residuesiandjKuznetsov and rackovsky showed that structural found determinants can serve as good determinants of folding rat e and many other researchers searching for which structural and sequence based determinants can serve as unique predictor of folding rate (Shakhnovich 2006)Dokholyan and co-workers modelThey use simple protein model and find out transition state of src homology 3(SH3) to find out contribution of each amino acid in transition state. They calculate value and on this basis they find high correlation between simulation and experimental value .in the end of their experimental model they conclude that L24 and G24 are two most important residues in the folding of proteinsPhysics and bioinformatics based modelsPhysics models are very helpful to understand protein folding rate and route to folding. These physical science based models help to understand the various forces and their dynamics in protein folding. These models help to understandConformational changes in proteinMechanism of folding, enzyme catalysis, mode of action proteinResponse to ph salt and denaturants(Brockwell, Smith Ra dford 2000)Bioinformatics is very important tool to find out the structure and folding pattern of the protein molecules. In this we add our computer based program along with these physics model and within the fraction of time provide us 3D structure of protein. Various databases on tissue are present which contain information regarding proteins only like NCBI, PUBMED etc. these databases contain all information about proteins by the comparison of our alien sequence using bioinformatics tools with these databases we can find out possible structure and folding pattern and helpful in drug discovery, possible lighten against disease etc. in a flash, how collectively these factors worksAfter having the knowledge of these factors now we can easily understand how they act and result to the fully folded 3D structure. Primary structure of protein code for 3D structure and all above factors participate to provide a functional unit. initially primary structure of protein are made of differe nt type of amino acids on the poly peptide back bone and just after the production of the N-terminus protein folding starts and secondary structures alpha helix and beta sheets are formed.In alpha helix all amino acid chain remain in the periphery of the helix and this structure formed due to hydrogen bonding and di-sulphide bonding (Trevino, Scholtz Pace 2007)After the formation of secondary structure, tertiary structure these hydrophobic interaction, hydrogen bonding and charge on the molecule come it to the play now this protein molecule structure fold in such a way to minimise all these forces and try to give an stable confirmation to protein(Chen et al. 2008) still energy and entropy act simultaneously. After attachment of these secondary structures stability is not uniform in the whole tertiary structure. There may be possibility that two stable structures are joining by unstable and less stable strands and in that subject field folding take place in such a way to minimise t he free energy of the system. This type of stage is known as the intermediate stage. In this stage all amino acids are attached in the structure but the entropy of the system is high and due to which this show high presence of free energy and may have the millions of the possibilities of the intermediate structure. Now protein starts folding from intermediate to the stable or native structure by minimising the interaction between the molecules. Due to which all the hydrophobic or non polar amino acid come in the centre of the structure and the formation of hydrophobic core take place of 3D structure and all polar or hydrophilic molecules come at the periphery of the 3D structure(Chen et al. 2008). Out of millions of the possibilities there are many path which favour this folding in term of having minimum energy and protein molecule select that path which is shortest and this may contain several steps in folding and ultimately leads to the formation of native 3D structureCopied from Ma, Chen Zhang 2007There is always some equilibrium in some folded and intermediates state and molecules may be aggregate. this depend upon the pH, Temp, Pressure and denaturation agents and the protein structure destabilise it start affecting other native protein structure in this stage chaperones act as cofactors and help in the and maintaining native structure of protein(Ma, Chen Zhang 2007)SUMMARYIn the protein folding 3D structure of protein plays an important role in the protein expression and their function. education regarding protein folding is present in the primary structure of the protein which bioenergetics can be determined by bound amino acid. Hydrophobic forces play an important role. They all concentrate at the centre of the molecules and hydrophilic at the periphery of the structure. Hydrogen bonding plays an important role due to which all polar molecules bound with the surrounding medium in cell and makes protein molecule structure rigid and compressed.Protein folding is a spontaneous process in which entropy of the molecule is decreasing and finally provides a folded structure. Protein native structure must have low value of Gibbs free energy, entropy, and enthalpy and lower the value, higher will be the degree of protein stability. Protein may unfold due to the presence of the unfavourable condition like temp, pressure, pH, and denaturing agent. In such a case special type of molecules help in the folding known as chaperones and helpful in maintaining native structure of protein.
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