Journal
METABOLIC ENGINEERING
Volume 3, Issue 3, Pages 265-283Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1006/mben.2001.0188
Keywords
metabolic flux analysis; software framework; experimental design; anaplerosis; Corynebacterium glutamicum
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A general methodology is presented for the modeling, simulation, design, evaluation, and statistical analysis of C-13-labeling experiments for metabolic flux analysis. The Universal software framework 13C-FLUX was implemented to support all steps of this process. Guided by the example of anaplerotic flux determination in Corynebacterium glutamicum, the technical details of the model setup, experimental design, and data evaluation are discussed. It is shown how the network structure, the input substrate composition, the assumptions about fluxes, and the measurement configuration are specified within 13C-FLUX. Based on the network model, different experimental designs are computed depending on the goal of the investigations. Finally, a specific experiment is evaluated and the various statistical methods used to analyze the results are briefly explained. The appendix gives some details about the software implementation and availability. (C) 2001 Academic Press.
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