Structure, biological functions and applications of the AB5 toxins.

Structure, biological functions and applications of the AB5 toxins.
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DOI:
10.1016/j.tibs.2010.02.003
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发表时间:
2010-07
影响因子:
13.8
通讯作者:
Paton, James C.
Paton, James C.
中科院分区:
生物学1区
文献类型:
--
作者:
Beddoe, Travis;Paton, Adrienne W.;Le Nours, Jerome;Rossjohn, Jamie;Paton, James C.

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AB5毒素是几种主要细菌病原体的重要毒力因子,包括百日咳博德氏菌、霍乱弧菌、痢疾志贺氏菌和至少两种不同的致病性大肠杆菌。AB5毒素之所以如此命名,是因为它们包含一个催化a亚基,负责破坏宿主的基本功能,以及一个五聚体b亚基,与靶细胞表面的特定聚糖受体结合。这些AB5毒素致病的分子机制已经在很大程度上被解开,包括最近对一种新的AB5毒素家族——枯草酶细胞毒素(SubAB)的研究。此外,AB5毒素已成为研究基本细胞功能的宝贵工具,目前正在研究其在人类疾病临床治疗中的潜在应用。
AB5 toxins are important virulence factors for several major bacterial pathogens, including Bordetella pertussis, Vibrio cholerae, Shigella dysenteriae and at least two distinct pathotypes of Escherichia coli. The AB5 toxins are so termed because they comprise a catalytic A-subunit, which is responsible for disruption of essential host functions, and a pentameric B-subunit that binds to specific glycan receptors on the target cell surface. The molecular mechanisms by which these AB5 toxins cause disease have been largely unraveled, including recent insights into a novel AB5 toxin family, subtilase cytotoxin (SubAB). Furthermore, AB5 toxins have become a valuable tool for studying fundamental cellular functions, and are now being investigated for potential applications in the clinical treatment of human diseases.
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影响因子: 3.3
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