Wall teichoic acids of gram-positive bacteria.

Wall teichoic acids of gram-positive bacteria.
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DOI:
10.1146/annurev-micro-092412-155620
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发表时间:
2013
影响因子:
10.5
通讯作者:
Walker S
Walker S
中科院分区:
生物学1区
文献类型:
--
作者:
Brown S;Santa Maria JP Jr;Walker S

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许多革兰氏阳性菌的肽聚糖层被称为壁磷壁酸(WTAs)的阴离子糖共聚物密集功能化。这些聚合物在细胞形状决定、细胞分裂调节和革兰氏阳性细菌生理的其他基本方面起着至关重要的作用。此外,wta在抗生素耐药过程中起着重要的作用。本文综述了WTA的结构和生物合成,综述了这些聚合物的生物学作用的最新研究,并指出了尚待解决的问题。我们还讨论了利用WTA生物合成作为新疗法靶点来克服耐药感染的前景。
The peptidoglycan layers of many gram-positive bacteria are densely functionalized with anionic glycopolymers called wall teichoic acids (WTAs). These polymers play crucial roles in cell shape determination, regulation of cell division, and other fundamental aspects of gram-positive bacterial physiology. Additionally, WTAs are important in pathogenesis and play key roles in antibiotic resistance. We provide an overview of WTA structure and biosynthesis, review recent studies on the biological roles of these polymers, and highlight remaining questions. We also discuss prospects for exploiting WTA biosynthesis as a target for new therapies to overcome resistant infections.
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