Steady-state analysis of metabolic pathways: Comparing the double modulation method and the lin-log approach

Hannes Link, Dirk Weuster-Botz

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The increasing interest in studying enzyme kinetics under in vivo conditions requires practical methods to estimate control parameters from experimental data. In contrast to currently established approaches of dynamic modelling, this paper addresses the steady-state analysis of metabolic pathways. Within the framework of metabolic control analysis (MCA), elasticity coefficients are used to describe the control properties of a local enzyme reaction. The double modulation method is one of the first experimental approaches to estimate elasticity coefficients from measurements of steady-state flux rates and metabolite concentrations. We propose a generalized form of the double modulation method and compare it to the recently developed linear-logarithmic approach.

Original languageEnglish
Pages (from-to)433-441
Number of pages9
JournalMetabolic Engineering
Volume9
Issue number5-6
DOIs
StatePublished - Sep 2007

Keywords

  • Double modulation method
  • Lin-log approach
  • Metabolic control analysis
  • Parameter estimation

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