Cryo-EM Structure of a Begomovirus Geminate Particle
文献类型: 外文期刊
第一作者: Li, Zhenghe
作者: Li, Zhenghe;Zhou, Xueping;Xu, Xiongbiao;Zhang, Qing;Zhang, Xiaokang;Zhang, Qing;Zhang, Xiaokang;Hong, Jian;Zhou, Xueping
作者机构:
关键词: Cryo-EM; single particle analysis; asymmetric reconstruction; geminivirus; single capsid; geminate capsid
期刊名称:INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES ( 影响因子:5.923; 五年影响因子:6.132 )
ISSN: 1422-0067
年卷期: 2019 年 20 卷 7 期
页码:
收录情况: SCI
摘要: Tobacco curly shoot virus, a monopartite begomovirus associated with betasatellite, causes serious leaf curl diseases on tomato and tobacco in China. Using single-particle cryo-electron microscopy, we determined the structure of tobacco curly shoot virus (TbCSV) particle at 3.57 angstrom resolution and confirmed the characteristic geminate architecture with single-strand DNA bound to each coat protein (CP). The CP-CP and DNA-CP interactions, arranged in a CP-DNA-CP pattern at the interface, were partially observed. This suggests the genomic DNA plays an important role in forming a stable interface during assembly of the geminate particle.
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