Microbial Oxidation of Arsenite: Regulation, Chemotaxis, Phosphate Metabolism and Energy Generation.

Microbial Oxidation of Arsenite: Regulation, Chemotaxis, Phosphate Metabolism and Energy Generation.
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亚砷酸盐的微生物氧化:调节、趋化性、磷酸盐代谢和能量产生

DOI:
10.3389/fmicb.2020.569282
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发表时间:
2020
影响因子:
5.2
通讯作者:
Wang G
Wang G
中科院分区:
生物学2区
文献类型:
--
作者:
Shi K;Wang Q;Wang G

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砷(As)是一种广泛存在于环境中的类金属。将亚砷酸盐[As(III)]生物氧化为亚砷酸盐[As(V)]被认为是降低砷毒性和提供能量的一种策略。近年来,人们对微生物As(III)氧化的研究兴趣与日俱增,并取得了相关的新成果。本文综述了细菌As(III)氧化的新调控机制,不同砷传感系统的生理相关性,以及微生物As(III)氧化与趋化、磷吸收、碳代谢和能量产生的功能关系。讨论了As(III)氧化菌株在环境生物修复应用中的意义、知识空白和前景。
Arsenic (As) is a metalloid that occurs widely in the environment. The biological oxidation of arsenite [As(III)] to arsenate [As(V)] is considered a strategy to reduce arsenic toxicity and provide energy. In recent years, research interests in microbial As(III) oxidation have been growing, and related new achievements have been revealed. This review focuses on the highlighting of the novel regulatory mechanisms of bacterial As(III) oxidation, the physiological relevance of different arsenic sensing systems and functional relationship between microbial As(III) oxidation and those of chemotaxis, phosphate uptake, carbon metabolism and energy generation. The implication to environmental bioremediation applications of As(III)-oxidizing strains, the knowledge gaps and perspectives are also discussed.
盐单胞菌中磷酸双组分系统 PhoBR 对亚砷酸盐氧化的调节。
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