文献类型: 外文期刊
作者: Lu, Gang 1 ; Yao, Min 1 ; Zhou, Yijun 4 ; Tao, Xiaorong 1 ;
作者机构: 1.Nanjing Agr Univ, Dept Plant Pathol, Nanjing, Peoples R China
2.Ningbo Univ, Inst Plant Virol, Ningbo, Peoples R China
3.Chinese Acad Sci, Shanghai Inst MateriaMed, Div Antitumor Pharmacol, State Key Lab Drug Res, Shanghai, Peoples R China
4.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing, Peoples R China
关键词: Rice stripe virus; Filamentous virion; Density gradient centrifugation; Virion purification; Ultracentrifugation
期刊名称:BIO-PROTOCOL ( 影响因子:0.8; 五年影响因子:1.3 )
ISSN:
年卷期: 2020 年 10 卷 6 期
页码:
收录情况: SCI
摘要: Although many spherical and rod-shaped plant virus purification protocols are now available, only a few protocols on filamentous plant virus purification have been published. Here, we report a protocol for large-scale purification of Rice stripe virus (RSV) from RSV-infected rice tissues. RSV virions with high infectivity were first precipitated with polyethylene glycol (PEG) followed by pelleting through primary ultracentrifugation, ultracentrifugation in a glycerol cushion and ultracentrifugation in density gradient. The purified RSV virions can not only be viewed as filamentous particles under an electron microscope, but can also be acquired by insect vector through direct injection into insect body or through membrane feeding prior to transmission to rice plants.
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