Manganese uptake and streptococcal virulence.

Manganese uptake and streptococcal virulence.
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DOI:
10.1007/s10534-015-9826-z
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发表时间:
2015-06
期刊:
Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine
影响因子:
--
通讯作者:
Kitten T
Kitten T
中科院分区:
其他
文献类型:
--
作者:
Eijkelkamp BA;McDevitt CA;Kitten T

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与 ATP 结合盒转运蛋白相关的链球菌溶质结合蛋白 (SBP) 首先作为表面粘附素、其次作为毒力决定因子、最后作为金属离子转运蛋白而受到广泛关注。在这篇小综述中,我们将检查我们目前对这些蛋白质的细胞作用、它们对金属离子稳态的贡献以及它们在介导链球菌毒力中的重要作用的理解。目前已有超过 35 项研究收集了多种细菌中 SBP 功能的结构、生化和/或生理数据。这提供了大量的数据来澄清以前关于这组重要细菌转运蛋白的金属特异性的令人困惑和有争议的发现。我们将特别关注与锰在链球菌中的生物学作用相关的最新发现。这些进展将为旨在利用锰和锰获取的重要性的努力提供信息,以设计对抗严重链球菌疾病的新方法。
Streptococcal solute-binding proteins (SBPs) associated with ATP-binding cassette transporters gained widespread attention first as ostensible adhesins, next as virulence determinants, and finally as metal ion transporters. In this mini-review, we will examine our current understanding of the cellular roles of these proteins, their contribution to metal ion homeostasis, and their crucial involvement in mediating streptococcal virulence. There are now more than 35 studies that have collected structural, biochemical and/or physiological data on the functions of SBPs across a broad range of bacteria. This offers a wealth of data to clarify the formerly puzzling and contentious findings regarding the metal specificity amongst this group of essential bacterial transporters. In particular we will focus on recent findings related to biological roles for manganese in streptococci. These advances will inform efforts aimed at exploiting the importance of manganese and manganese acquisition for the design of new approaches to combat serious streptococcal diseases.
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