异化铁（III）还原菌硫还原地杆菌中的RpoS ς因子。
The RpoS sigma factor in the dissimilatory Fe(III)-reducing bacterium Geobacter sulfurreducens.
作者信息
Núñez Cinthia, Adams Lorrie, Childers Susan, Lovley Derek R
机构信息
Department of Microbiology, University of Massachusetts, Amherst, Massachusetts 01003, USA.
出版信息
J Bacteriol. 2004 Aug;186(16):5543-6. doi: 10.1128/JB.186.16.5543-5546.2004.
Abstract
Geobacter sulfurreducens RpoS sigma factor was shown to contribute to survival in stationary phase and upon oxygen exposure. Furthermore, a mutation in rpoS decreased the rate of reduction of insoluble Fe(III) but not of soluble forms of iron. This study suggests that RpoS plays a role in regulating metabolism of Geobacter under suboptimal conditions in subsurface environments.
摘要
嗜硫还原地杆菌的RpoS σ因子被证明有助于细菌在稳定期和暴露于氧气时存活。此外，rpoS基因的突变降低了不溶性Fe(III)的还原速率，但不影响可溶性铁的还原速率。这项研究表明，RpoS在地下环境次优条件下调节嗜硫还原地杆菌的代谢中发挥作用。
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