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Triggering the measles virus membrane fusion machinery

机译:触发麻疹病毒膜融合机器

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摘要

The paramyxovirus family comprises major human and animal pathogens, including measles virus (MeV), mumps virus, respiratory syncytial virus, and the highly pathogenic Hendra and Nipah viruses. Viral attachment and fusion (F) envelope glyco-proteins mediate fusion of the envelope membrane with target cell membranes to gain cell entry. This fusion event involves a series of conformational changes in F that ultimately result in refolding of the prefusion F trimer into a stable postfusion conformation and opening of a fusion pore. Structural rearrangements of F are irreversible, mandating that initiation of F refolding must be strongly coordinated with the presence of a target membrane to ensure productive virus entry.
机译:副粘病毒家族包括主要的人类和动物病原体,包括麻疹病毒(MeV),腮腺炎病毒,呼吸道合胞病毒以及高致病性Hendra和Nipah病毒。病毒附着和融合(F)包膜糖蛋白介导包膜与靶细胞膜的融合,从而获得细胞进入。此融合事件涉及F的一系列构象变化,最终导致融合前F三聚体重新折叠成稳定的融合后构象并打开融合孔。 F的结构重排是不可逆的,这迫使F重折叠的开始必须与靶膜的存在强烈地协调,以确保有效的病毒进入。

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  • 作者单位

    Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322;

    Department of Virology III, National Institute of Infectious Diseases, Tokyo 208-0011, Musashimurayama, Japan;

    Neurovirology Unit, Division of Experimental Clinical Research, Department of Clinical Research and Veterinary Public Health of the Vetsuisse Faculty, University of Bern, CH-3012 Bern, Switzerland;

    Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322,Children's Healthcare of Atlanta, Atlanta, GA 30322;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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  • 正文语种 eng
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