Fortifying the barrier: the impact of lipid A remodelling on bacterial pathogenesis.

Fortifying the barrier: the impact of lipid A remodelling on bacterial pathogenesis.
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DOI:
10.1038/nrmicro3047
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发表时间:
2013-07
期刊:
Nature reviews. Microbiology
影响因子:
--
通讯作者:
Trent MS
Trent MS
中科院分区:
其他
文献类型:
--
作者:
Needham BD;Trent MS

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革兰氏阴性细菌用精细的化学部分装饰其最外层的表面结构脂多糖,这有效地将它们从免疫监视中伪装出来,并保护它们免受宿主防御的攻击。这些变化中的许多发生在脂多糖的脂质A部分上,该部分是宿主识别革兰氏阴性感染的关键组分。在这篇综述中,我们描述了控制脂质A修饰的调控机制,并讨论了修饰对致病机制、细菌生理学和细菌与宿主免疫系统相互作用的影响。
Gram-negative bacteria decorate their outermost surface structure, lipopolysaccharide, with elaborate chemical moieties, which effectively disguises them from immune surveillance and protects them from the onslaught of host defences. Many of these changes occur on the lipid A moiety of lipopolysaccharide, a component that is crucial for host recognition of Gram-negative infection. In this Review, we describe the regulatory mechanisms controlling lipid A modification and discuss the impact of modifications on pathogenesis, bacterial physiology and bacterial interactions with the host immune system.
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