期刊
CURRENT OPINION IN BIOTECHNOLOGY
卷 33, 期 -, 页码 60-72出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.copbio.2014.11.014
关键词
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资金
- National Science Foundation STTR Phase I program [IIP-1346424]
- Directorate For Engineering [1346424] Funding Source: National Science Foundation
- Div Of Industrial Innovation & Partnersh [1346424] Funding Source: National Science Foundation
- Div Of Industrial Innovation & Partnersh
- Directorate For Engineering [1534704] Funding Source: National Science Foundation
Mass yields of biofuels and chemicals from sugar fermentations are limited by the decarboxylation reactions involved in Embden-Meyerhof-Parnas (EMP) glycolysis. This paper reviews one route to recapture evolved CO2 using the Wood-Ljungdahl carbon fixation pathway (WLP) in a process called anaerobic, non-photosynthetic (ANP) mixotrophic fermentation. In ANP mixotrophic fermentation, the two molecules of CO2 and eight electrons produced from glycolysis are used by the WLP to generate three molecules of acetyl-CoA from glucose, rather than the two molecules that are produced by typical fermentation processes. In this review, we define the bounds of ANP mixotrophy, calculate the potential metabolic advantages, and discuss the viability in a number of host organisms. Additionally, we highlight recent accomplishments in the field, including the recent discovery of electron bifurcation in acetogens, and close with recommendations to realize mixotrophic biofuel and biochemical production.
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