Fundamentals of Systems Analysis and Modeling of Biosystems and Metabolism


Kazuyuki Shimizu, Yu Matsuoka

DOI: 10.2174/97816810808641150101
eISBN: 978-1-68108-086-4, 2015
ISBN: 978-1-68108-087-1

Indexed in: EBSCO.

An understanding of biological systems at cellular and molecular levels helps researchers to model cellular behavior in different expe...[view complete introduction]
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Model Identification, Sensitivity Analysis, and Optimization

- Pp. 187-224 (38)

Kazuyuki Shimizu and Yu Matsuoka


Model identification method is briefly explained. Then the sensitivity analysis is explained in relation to model parameter identification. In view of sensitivity analysis, the metabolic control analysis (MCA) is explained, followed by its application to find the limiting pathways for lysine fermentation by Corynebacterium sp. In relation to flux balance analysis (FBA) and its extension to genome-scale as mentioned in Chapter 3, the linear programming method is explained for the optimization of a single objective function under the constraint of stoichiometric equations. A basic approach for the vector-valued objective function and non-inferior Pareto optimal set is briefly explained. In relation to model parameter identification, various types of direct and gradient-based optimum seeking methods are explained. A global search method such as genetic algorithm (GA) is also explained. Moreover, the optimal operation or optimal control strategies based on the Maximum principle is explained to find the time optimal trajectories with some application to ethanol fermentation.

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