Recovery of infectious type Asia1 foot-and-mouth disease virus from suckling mice directly inoculated with an RNA polymerase I/II-driven unidirectional transcription plasmid
文献类型: 外文期刊
第一作者: Lian, Kaiqi
作者: Lian, Kaiqi;Yang, Fan;Zhu, Zixiang;Cao, Weijun;Jin, Ye;Li, Dan;Zhang, Keshan;Guo, Jianhong;Zheng, Haixue;Liu, Xiangtao
作者机构:
关键词: Foot-and-mouth disease virus;Recovery system in vivo;Reverse genetics;RNA polymerase
期刊名称:VIRUS RESEARCH ( 影响因子:3.303; 五年影响因子:3.445 )
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收录情况: SCI
摘要: We developed an RNA polymerase (pol) I- and II-driven plasmid-based reverse genetics system to rescue infectious foot-and-mouth disease virus (FMDV) from cloned cDNA. In this plasmid-based transfection, the full-length viral cDNA was flanked by hammerhead ribozyme (HamRz) and hepatitis delta ribozyme (HdvRz) sequences, which were arranged downstream of the two promoters (cytomegalovirus (CMV) and pol I promoter) and upstream of the terminators and polyadenylation signal, respectively. The utility of this method was demonstrated by the recovery of FMDV Asia1 HN/CHA/06 in BHK-21 cells transfected with cDNA plasmids. Furthermore, infectious FMDV Asia1 HN/CHA/06 could be rescued from suckling mice directly inoculated with cDNA plasmids. Thus, this reverse genetics system can be applied to fundamental research and vaccine studies, most notably to rescue those viruses for which there is currently an absence of a suitable cell culture system. (C) 2015 Elsevier B.V. All rights reserved.
分类号: R37
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