文献类型： 外文期刊
作者： Guan, Lijun 1 ; Zhang, Lin 3 ; Xue, Yun 1 ; Yang, Jinqian 1 ; Zhao, Zhanqin 1 ;
作者机构： 1.Henan Univ Sci & Technol, Coll Anim Sci & Technol, Lab Vet Biol Engn, Luoyang 471023, Peoples R China
2.Henan Univ Sci & Technol, Coll Anim Sci & Technol, Key Disciplines Lab Safety Environm & Anim Prod, Luoyang 471023, Peoples R China
3.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Wuhan 430223, Peoples R China
关键词： Pasteurella multocida; Capsule; Virulence; Molecular mimicry; Pathogenic mechanism
期刊名称：MICROBIAL PATHOGENESIS （ 影响因子：3.738； 五年影响因子：3.663 ）
ISSN： 0882-4010
年卷期： 2020 年 149 卷
页码：
收录情况： SCI
摘要： Pasteurella multocida possesses a viscous capsule polysaccharide on the cell surface, which is a critical structural component and virulence factor. Capsular polysaccharides are structurally similar to vertebrate glycosaminoglycans, providing an immunological mechanism for bacterial molecular mimicry, resistance to phagocytosis, and immune evasion during the infection process. Based on the capsular antigen, P. multocida is divided into A, B, D, E, and F five serogroups. Previously, we systematically reported the biosynthesis and regulation mechanisms of the P. multocida capsule. In this paper, we take serogroup A capsular polysaccharide as the representative, systematically illuminating the P. multocida capsular virulence and epidemiology, molecular camouflage, adhesion and colonization, anti-phagocytosis, anti-complement system, cell invasion and signal transduction mechanism, to provide a theoretical basis for the research of molecular pathogenic mechanism of P. multocida capsule and the development of polysaccharides vaccine.
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