Network rigidity and metabolic engineering in metabolite overproduction - PubMed (original) (raw)

Review

. 1991 Jun 21;252(5013):1675-81.

doi: 10.1126/science.1904627.

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Review

Network rigidity and metabolic engineering in metabolite overproduction

G Stephanopoulos et al. Science. 1991.

Abstract

In order to enhance the yield and productivity of metabolite production, researchers have focused almost exclusively on enzyme amplification or other modifications of the product pathway. However, overproduction of many metabolites requires significant redirection of flux distributions in the primary metabolism, which may not readily occur following product deregulation because metabolic pathways have evolved to exhibit control architectures that resist flux alterations at branch points. This problem can be addressed through the use of some general concepts of metabolic rigidity, which include a means for identifying and removing rigid branch points within an experimental framework.

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