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硫还原地杆菌对富马酸盐相比FeIII的优先还原作用。

Preferential reduction of FeIII over fumarate by Geobacter sulfurreducens.

作者信息

Esteve-Núñez Abraham, Núñez Cinthia, Lovley Derek R

机构信息

Department of Microbiology, University of Massachusetts, Morrill Science Center IVN, Amherst, MA 01003, USA.

出版信息

J Bacteriol. 2004 May;186(9):2897-9. doi: 10.1128/JB.186.9.2897-2899.2004.

DOI:10.1128/JB.186.9.2897-2899.2004
PMID:15090532
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC387788/
Abstract

The presence of Fe(III), but not that of Fe(II), resulted in ca. 20-fold-lower levels of mRNA for fumarate reductase, inhibiting fumarate reduction and favoring utilization of fumarate as an electron donor in chemostat cultures of Geobacter sulfurreducens, despite the fact that growth yield with fumarate was 3-fold higher than with Fe(III).

摘要

三价铁（Fe(III)）的存在而非二价铁（Fe(II)）的存在，导致延胡索酸还原酶的mRNA水平降低了约20倍，抑制了延胡索酸的还原，并有利于在嗜硫地杆菌恒化器培养物中利用延胡索酸作为电子供体，尽管以延胡索酸为底物时的生长产量比以三价铁为底物时高3倍。

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Stimulating the in situ activity of Geobacter species to remove uranium from the groundwater of a uranium-contaminated aquifer.刺激地杆菌属物种的原位活性以从铀污染含水层的地下水中去除铀。
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