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	Regulation of hydrogen production by Enterobacter aerogenes by external NADH and NAD(+)
	Zhang, Chong ; Ma, Kun ; Xing, Xin-Hui
	2010-10-12 ; 2010-10-12
关键词	Enterobacter aerogenes NADH (NAD(+)) Oxidoreduction reaction Hydrogenase Hydrogen production COLI CHEMOSTAT CULTURES ESCHERICHIA-COLI METABOLIC FLUXES AVAILABILITY FERMENTATION REDISTRIBUTION REGENERATION CARBON Chemistry, Physical Energy & Fuels Environmental Sciences Physics, Atomic, Molecular & Chemical
中文摘要	Experiments involving the addition of external nicotinamide adenine dinucleotide, reduced form (NADH) or nicotinamide adenine dinucleotide (NAD(+)) have been designed to examine how the hydrogen in Enterobacter aerogenes is liberated by NADH or NAD(+). The addition of external NADH or NAD(+) was found to regulate hydrogen production by E. aerogenes in resting cells, batch cultures, and chemostat cultures. Particularly in chemostat cultivation, with the external addition of NADH, hydrogen production via the NADH pathway was decreased, while that via the formate pathway was increased; in the end, the overall hydrogen p was decreased. The addition of NAD(+), on the other hand, gave the opposite results. The membrane-bound hydrogenase was found to play a central role in regulating hydrogen production. The occurrence of NADH oxidation (NAD(+) reduction) on the cell membrane resulted in an electron flow across the membrane; this changed the oxidation state and metabolic pattern of the cells, which eventually affected the hydrogen evolution. (C) 2008 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
语种	英语 ; 英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD ; OXFORD ; THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/79495]
专题	清华大学
推荐引用方式 GB/T 7714	Zhang, Chong,Ma, Kun,Xing, Xin-Hui. Regulation of hydrogen production by Enterobacter aerogenes by external NADH and NAD(+)[J],2010, 2010.
APA	Zhang, Chong,Ma, Kun,&Xing, Xin-Hui.(2010).Regulation of hydrogen production by Enterobacter aerogenes by external NADH and NAD(+)..
MLA	Zhang, Chong,et al."Regulation of hydrogen production by Enterobacter aerogenes by external NADH and NAD(+)".(2010).

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