Abstract
Although it is generally known that cofactors play a major role in the production of different fermentation products, their role has not been thoroughly and systematically studied. To understand the impact of cofactors on physiological functions, a systematic approach was applied, which involved redox state analysis, energy charge analysis, and metabolite analysis. Using uridine 5′-monophosphate metabolism in Saccharomyces cerevisiae as a model, we demonstrated that regulation of intracellular the ratio of NADPH to NADP+ not only redistributed the carbon flux between the glycolytic and pentose phosphate pathways, but also regulated the redox state of NAD(H), resulting in a significant change of ATP, and a significantly altered spectrum of metabolic products.
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Acknowledgments
This work was supported by the National Outstanding Youth Foundation of China (Grant No. 21025625), the National High-Tech Research and Development Program of China (863) (Grant No. 2012AA021200), the National Basic Research Program of China (973) (Grant No. 2011CBA00806), the National Key Technology R&D Program (2012BAI44G01), the Program of Changjiang Scholars and Innovative in University (Grant No. IRT1066), the National Natural Science Foundation of China, the Youth Program (Grant No. 21106070), the Jiangsu Provincial Natural Science Foundation of China (Grant No. SBK 201150207), the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD), and the State Key Laboratory of Motor Vehicle Biofuel Technology (Grant No. 2013003)
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Chen, Y., Liu, Q., Chen, X. et al. Redirecting metabolic flux in Saccharomyces cerevisiae through regulation of cofactors in UMP production. J Ind Microbiol Biotechnol 42, 577–583 (2015). https://doi.org/10.1007/s10295-014-1536-y
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DOI: https://doi.org/10.1007/s10295-014-1536-y