Interaction between potyvirus P3 and ribulose-1,5-bisphosphate carboxylase/oxygenase (RubisCO) of host plants
文献类型: 外文期刊
第一作者: Lin, Lin
作者: Lin, Lin;Yan, Fei;Lu, Yuwen;Zheng, Hongying;Chen, Jianping;Luo, Zhaopeng
作者机构:
关键词: Interaction;Potyvirus;P3N-PIPO;P3;RubisCO;Yeast two-hybrid
期刊名称:VIRUS GENES ( 影响因子:2.332; 五年影响因子:2.0 )
ISSN: 0920-8569
年卷期: 2011 年 43 卷 1 期
页码:
收录情况: SCI
摘要: The P3 protein encoded by Shallot yellow stripe virus onion isolate (SYSV-O) interacted in the Yeast Two-hybrid (Y2H) system and in co-immunoprecipitation (Co-IP) assays with the large subunit of the ribulose-1,5-bisphosphate carboxylase/oxygenase (RubisCO) protein that is encoded by the rbcL gene of its onion host. Dissection analysis by Y2H showed that the main part of SYSV P3 (amino acids 1-390) and onion RbcL (amino acids 1-137) were responsible for the interaction. The P3 proteins encoded by Onion yellow dwarf virus (OYDV), Soybean mosaic virus Pinellia isolate (SMV-P), and Turnip mosaic virus (TuMV) also interacted with RbcL, suggesting that a P3/RbcL interaction might exist generally for potyviruses. An interaction between P3 of these potyviruses and the small subunit of RubisCO (RbcS) was also demonstrated. Moreover, the P3N-PIPO protein encoded by a newly identified open reading frame embedded within the P3 cistron also interacted with both RbcL and RbcS. It is possible that the potyvirus P3 protein affects the normal functions of RubisCO which thus contributes to symptom development.
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