Please use this identifier to cite or link to this item: https://doi.org/10.1002/btpr.193
Title: Multiobjective flux balancing using the NISE method for metabolic network analysis
Authors: Oh, Y.-G.
Lee, D.-Y. 
Lee, S.Y.
Park, S.
Keywords: Flux balance analysis
Multiobjective linear programming
Noninferior set estimation method
Issue Date: Jul-2009
Citation: Oh, Y.-G., Lee, D.-Y., Lee, S.Y., Park, S. (2009-07). Multiobjective flux balancing using the NISE method for metabolic network analysis. Biotechnology Progress 25 (4) : 999-1008. ScholarBank@NUS Repository. https://doi.org/10.1002/btpr.193
Abstract: Flux balance analysis (FBA) is well acknowledged as an analysis tool of metabolic networks in the framework of metabolic engineering. However, FBA has a limitation for solving a multiobjective optimization problem which considers multiple conflicting objectives. In this study, we propose a novel multiobjective flux balance analysis method, which adapts the noninferior set estimation (NISE) method (Solanki et al., 1993) for multiobjective linear programming (MOLP) problems. NISE method can generate an approximation of the Pareto curve for conflicting objectives without redundant iterations of single objective optimization. Furthermore, the flux distributions at each Pareto optimal solution can be obtained for understanding the internal flux changes in the metabolic network. The functionality of this approach is shown by applying it to a genome-scale in silico model of E. coli. Multiple objectives for the poly(3-hydroxybutyrate) [P(3HB)] production are considered simultaneously, and relationships among them are identified. The Pareto curve for maximizing succinic acid production vs. maximizing biomass production is used for the in silico analysis of various combinatorial knockout strains. This proposed method accelerates the strain improvement in the metabolic engineering by reducing computation time of obtaining the Pareto curve and analysis time of flux distribution at each Pareto optimal solution. © 2009 American Institute of Chemical Engineers.
Source Title: Biotechnology Progress
URI: http://scholarbank.nus.edu.sg/handle/10635/90632
ISSN: 87567938
DOI: 10.1002/btpr.193
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