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Potyvirus属于马铃薯Y病毒科Potyviridae,是最大的植物病毒属,给农业生产造成严重的经济损失。P3是Potyvirus属病毒中变异很大、功能较复杂的编码蛋白,涉及到病毒复制、侵染、抗性及细胞间运动;P3-PiPo是P3编码框内新近发现的Potyvirus重要编码蛋白,已证实它在病毒的细胞间运动中起着决定性的作用。对病毒蛋白功能的研究为该属病毒的研究发展提供重要的理论基础,对Potyvirus侵染机制及抗病机理研究具有指导价值。
Potyvirus belongs to Potyviridae, which is the largest genus of plant viruses and causes serious economic losses to agricultural production. P3 is a highly variable and complex protein encoded by Potyvirus and involved in virus replication, infection, resistance and cell-cell motility. P3-PiPo is a newly discovered Potyvirus important protein in P3 coding sequence and has been confirmed It plays a decisive role in the intercellular movement of the virus. The study of the function of the virus protein provides an important theoretical basis for the research and development of the genus of the virus and has guiding value for the study on the infection mechanism and the mechanism of resistance to Potyvirus.