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  3. 1322-1327
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Journal of Biological Sciences

Year: 2008 | Volume: 8 | Issue: 8 | Page No.: 1322-1327
DOI: 10.3923/jbs.2008.1322.1327

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Authors


M. Pant

Country: India

P. Sharma

Country: India

T. Radha

Country: India

R.S. Sangwan

Country: India

U. Roy

Country: India

Keywords


  • Genetic algorithms
  • global optimization
  • kinetic parameter
  • Michaelis-Menten enzymes
  • nonlinear regression
  • particle swarm optimization
Research Article

Nonlinear Optimization of Enzyme Kinetic Parameters

M. Pant, P. Sharma, T. Radha, R.S. Sangwan and U. Roy
In the analysis of enzyme kinetics data, Km and Vmax play a very important role. Linearization of kinetic equation is still a common practice for determining these parameters. Although graphical methods help in understanding the kinetic behavior of enzymes, they have certain shortcomings associated with them due to which they sometimes lead to an anomalous estimation of the kinetic parameters. In order to yield a more accurate estimate of parameters, minimization of least square error can be quite useful. However, since the least square error determination is a non linear function, the usual methods may not be fruitful. This research recommends the use of two simple and fast evolutionary optimization techniques such as Genetic Algorithms (GA) and Particle Swarm Optimization (PSO) which may be applied for the determination of Michaelis Menten (MM) enzyme analysis. We have shown the working of these methods on a set of six enzymes taken from literature along with a unique enzyme, geraniol acetyltransferase (GAAT), purified from the aromatic grass palmarosa. The entire study shows that GA and PSO can be used efficiently for determining accurate values for Km and Vmax.
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How to cite this article

M. Pant, P. Sharma, T. Radha, R.S. Sangwan and U. Roy, 2008. Nonlinear Optimization of Enzyme Kinetic Parameters. Journal of Biological Sciences, 8: 1322-1327.

DOI: 10.3923/jbs.2008.1322.1327

URL: https://scialert.net/abstract/?doi=jbs.2008.1322.1327

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Comments


Okoli Etuk Reply
10 May, 2023

This is an interesting study that highlights the advantages of using nonlinear optimization techniques for enzyme kinetics analysis. The use of Genetic Algorithms and Particle Swarm Optimization can provide a more accurate estimate of kinetic parameters compared to traditional graphical methods. The inclusion of a unique enzyme, geraniol acetyltransferase, adds value to the study by demonstrating the applicability of these techniques to a variety of enzyme systems. Overall, this study provides valuable insights into the optimization of enzyme kinetic parameter determination.

Editor
11 May, 2023

Thank you for your positive feedback on the article "Nonlinear Optimization of Enzyme Kinetic Parameters". We are glad to hear that you found the study interesting and informative. We agree that nonlinear optimization techniques offer a valuable approach for accurate enzyme kinetics analysis. We hope that the study will contribute to the advancement of this field and inspire further research in this area. Thank you for your support.

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