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Protein-protein interactions in two potyviruses using the yeast two-hybrid system

文献类型： 外文期刊

作者： Lin, Lin 1 ; Shi, Yuhong 1 ; Luo, Zhaopeng 1 ; Lu, Yuwen 1 ; Zheng, Hongying 1 ; Yan, Fei 1 ; Chen, Jiong 1 ; Chen, Jianp 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Dept Virol & Biotechnol, Hangzhou 310021, Peoples R China

2.NW A&F Univ, Coll Plant Protect, Yangling 712100, Shaanxi, Peoples R China

3.Rothamsted Res, Dept Plant Pathol & Microbiol, Harpenden AL5 2JQ, Herts, England

关键词： Potyvirus;SMVP;SYSV-O;Y2HS;Interaction

期刊名称：VIRUS RESEARCH （ 影响因子：3.303； 五年影响因子：3.445 ）

ISSN： 0168-1702

年卷期： 2009 年 142 卷 1-2 期

页码：

收录情况： SCI

摘要： Interactions between all ten mature proteins of the potyviruses Soybean mosaic virus (Pinellia ternata isolate) and Shallot yellow stripe virus were investigated using yeast two-hybrid (Y2H) assays. Consistently strong self-interactions were found between the pairs of HC-Pro, VPg, NIa-Pro, NIb and CP in both viruses. Apart from the NIb, such interactions have been previously reported for some other portyviruses. The 6K1/NIa-Pro combination gave a consistently moderate to strong interaction in both directions for both viruses. This interaction occurred even when the 6K1 of SMV-P was truncated to eliminate the C-terminal motif that acts as a recognition site for cleavage by the NIa-Pro. Many other interactions occurred only in one direction or only for one of the two viruses. When taken together with other published reports, the data suggest that interactions detected by Y2H should be regarded as only preliminary indications. (C) 2009 Elsevier B.V. All rights reserved.

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