Novel bacterial ADP-ribosylating toxins: structure and function.

Novel bacterial ADP-ribosylating toxins: structure and function.
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DOI:
10.1038/nrmicro3310
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发表时间:
2014-09
期刊:
Nature reviews. Microbiology
影响因子:
--
通讯作者:
Barbieri JT
Barbieri JT
中科院分区:
其他
文献类型:
--
作者:
Simon NC;Aktories K;Barbieri JT

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细菌ADP-核糖基转移酶毒素(bARTTs)将ADP-核糖转移到真核蛋白中以促进细菌致病。在这篇综述中,我们使用原型bARTT,如白喉和百日咳毒素,作为参考的几个新的bARTT的表征,从人类,昆虫和植物病原体,最近通过生物信息学分析确定。这些毒素中的几种,包括来自霍乱弧菌的Cholix毒素、来自化脓性链球菌的SpyA、来自假单胞菌的HopU 1和来自发光杆菌的Tcc毒素,ADP-核糖基化新底物并具有独特的组织,这将它们与参考毒素区分开。这些毒素的表征扩展了我们对bARTTs所具有的各种结构-功能特性及其在细菌发病机制中的作用的认识。
Bacterial ADP-ribosyltransferase toxins (bARTTs) transfer ADP-ribose to eukaryotic proteins to promote bacterial pathogenesis. In this review we use prototype bARTTs, such as diphtheria and pertussis toxins, as references for the characterization of several new bARTTs from human, insect, and plant pathogens, which were identified recently through bioinformatic analyses. Several of these toxins, including Cholix toxin from Vibrio cholerae, SpyA from Streptococcus pyogenes, HopU1 from Pseudomonas syringae, and the Tcc toxins from Photorhabdus luminescens, ADP-ribosylate novel substrates and possess unique organizations, which distinguish them from the reference toxins. The characterization of these toxins extends our appreciation for the variety of structure-function properties possessed by bARTTs and their roles in bacterial pathogenesis.
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