Efficient resistance to grass carp reovirus infection in JAM-A knockout cells using CRISPR/Cas9
文献类型： 外文期刊
作者： Ma, Jie 1 ; Fan, Yuding 1 ; Zhou, Yong 1 ; Liu, Wenzhi 1 ; Jiang, Nan 1 ; Zhang, Jieming 1 ; Zeng, Lingbing 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Div Fish Dis, Wuhan 430223, Hubei, Peoples R China
2.Univ Idaho, Coll Nat Resources, Dept Fish & Wildlife Sci, Moscow, ID 83844 USA
3.Univ Idaho, Coll Nat Resources, Aquaculture Res Inst, Moscow, ID 83844 USA
关键词： GCRV; JAM-A; CRISPR/Cas9; Knockout; Resistance
期刊名称：FISH & SHELLFISH IMMUNOLOGY （ 影响因子：4.581； 五年影响因子：4.851 ）
ISSN： 1050-4648
年卷期： 2018 年 76 卷
页码：
收录情况： SCI
摘要： The hemorrhagic disease of grass carp (Ctenopharyngodon idellus) induced by grass carp reovirus (GCRV) leads to huge economic losses in China and currently, there are no effective methods available for prevention and treatment. The various GCRV genotypes may be one of the major obstacles in the pursuit of an effective antiviral treatment. In this study, we exploited CRISPR/Cas9 gene editing to specifically knockout the DNA sequence of the grass carp Junctional Adhesion Molecule-A (gcJAM-A) and evaluated in vitro resistance against various GCRV genotypes. Our results show that CRISPR/Cas9 effectively knocked out gcJAM-A and reduced GCRV infection for two different genotypes in permissive grass carp kidney cells (CIK), as evidenced by suppressed cytopathic effect (CPE) and GCRV progeny production in infected cells. In addition, with ectopic expression of gcJAM-A in cells, non-permissive cells derived from Chinese giant salamander (Andrias davidianus) muscle (GSM) could be highly infected by both GCRV-JX0901 and Hubei grass carp disease reovirus (HGDRV) strains that have different genotypes. Taken together, the results demonstrate that gcJAM-A is necessary for GCRV infection, implying a potential approach for viral control in aquaculture.
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