Recent developments in copper and zinc homeostasis in bacterial pathogens.

Recent developments in copper and zinc homeostasis in bacterial pathogens.
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DOI:
10.1016/j.cbpa.2013.12.021
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发表时间:
2014-04
影响因子:
7.8
通讯作者:
Giedroc, David P.
Giedroc, David P.
中科院分区:
生物学2区
文献类型:
--
作者:
Braymer, Joseph J.;Giedroc, David P.

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病原菌中的铜和锌稳态系统需要抵抗宿主操纵这些金属离子的可用性和毒性的努力。这种微生物适应性反应的核心是金属运输和传感蛋白的参与,这些蛋白最终控制细胞中的金属形态。Cu和Zn特异性金属调节蛋白调节金属响应基因的转录,而金属伴侣蛋白和相关蛋白确保这些金属被细胞内环境适当缓冲并递送至正确的细胞内靶点。在这篇综述中,我们总结了最近的研究结果,细菌病原体如何安装金属特异性反应脱轨主机努力赢得“争夺金属。”
Copper and zinc homeostasis systems in pathogenic bacteria are required to resist host efforts to manipulate the availability and toxicity of these metal ions. Central to this microbial adaptive response is the involvement of metal-trafficking and -sensing proteins that ultimately exercise control of metal speciation in the cell. Cu- and Zn-specific metalloregulatory proteins regulate the transcription of metal-responsive genes while metallochaperones and related proteins ensure that these metals are appropriately buffered by the intracellular milieu and delivered to correct intracellular targets. In this review, we summarize recent findings on how bacterial pathogens mount a metal-specific response to derail host efforts to win the “fight over metals.”
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