The VirB System Plays a Crucial Role in Brucella Intracellular Infection

文献类型： 外文期刊

第一作者： Xiong, Xue

作者： Xiong, Xue;Li, Bowen;Zhou, Zhixiong;Gu, Guojing;Li, Mengjuan;Jiao, Hanwei;Liu, Jun;Jiao, Hanwei;Jiao, Hanwei;Jiao, Hanwei

作者机构：

关键词： Brucella; VirB system; type IV secretion; effector; intracellular infection

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：6.208； 五年影响因子：6.628 ）

ISSN：

年卷期： 2021 年 22 卷 24 期

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收录情况： SCI

摘要： Brucellosis is a highly prevalent zoonotic disease caused by Brucella. Brucella spp. are gram-negative facultative intracellular parasitic bacteria. Its intracellular survival and replication depend on a functional virB system, an operon encoded by VirB1-VirB12. Type IV secretion system (T4SS) encoded by the virB operon is an important virulence factor of Brucella. It can subvert cellular pathway and induce host immune response by secreting effectors, which promotes Brucella replication in host cells and induce persistent infection. Therefore, this paper summarizes the function and significance of the VirB system, focusing on the structure of the VirB system where VirB T4SS mediates biogenesis of the endoplasmic reticulum (ER)-derived replicative Brucella-containing vacuole (rBCV), the effectors of T4SS and the cellular pathways it subverts, which will help better understand the pathogenic mechanism of Brucella and provide new ideas for clinical vaccine research and development.

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