The plant protein NbP3IP directs degradation of Rice stripe virus p3 silencing suppressor protein to limit virus infection through interaction with the autophagy-related protein NbATG8

The plant protein NbP3IP directs degradation of Rice stripe virus p3 silencing suppressor protein to limit virus infection through interaction with the autophagy-related protein NbATG8

© 2020 The Authors New Phytologist © 2020 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 229(2021), 2 vom: 04. Jan., Seite 1036-1051
1. Verfasser: Jiang, Liangliang (VerfasserIn)
Weitere Verfasser: Lu, Yuwen, Zheng, Xiyin, Yang, Xue, Chen, Ying, Zhang, Tianhao, Zhao, Xing, Wang, Shu, Zhao, Xia, Song, Xijiao, Zhang, Xiangxiang, Peng, Jiejun, Zheng, Hongying, Lin, Lin, MacFarlane, Stuart, Liu, Yule, Chen, Jianping, Yan, Fei
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't ATG8 P3IP Rice stripe virus (RSV) autophagy p3 Autophagy-Related Proteins Plant Proteins
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245 1 4 |a The plant protein NbP3IP directs degradation of Rice stripe virus p3 silencing suppressor protein to limit virus infection through interaction with the autophagy-related protein NbATG8 
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520 |a In plants, autophagy is involved in responses to viral infection. However, the role of host factors in mediating autophagy to suppress viruses is poorly understood. A previously uncharacterized plant protein, NbP3IP, was shown to interact with p3, an RNA-silencing suppressor protein encoded by Rice stripe virus (RSV), a negative-strand RNA virus. The potential roles of NbP3IP in RSV infection were examined. NbP3IP degraded p3 through the autophagy pathway, thereby affecting the silencing suppression activity of p3. Transgenic overexpression of NbP3IP conferred resistance to RSV infection in Nicotiana benthamiana. RSV infection was promoted in ATG5- or ATG7-silenced plants and was inhibited in GAPC-silenced plants where autophagy was activated, confirming the role of autophagy in suppressing RSV infection. NbP3IP interacted with NbATG8f, indicating a potential selective autophagosomal cargo receptor role for P3IP. Additionally, the rice NbP3IP homolog (OsP3IP) also mediated p3 degradation and interacted with OsATG8b and p3. Through identification of the involvement of P3IP in the autophagy-mediated degradation of RSV p3, we reveal a new mechanism to antagonize the infection of RSV, and thereby provide the first evidence that autophagy can play an antiviral role against negative-strand RNA viruses 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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650 4 |a P3IP 
650 4 |a Rice stripe virus (RSV) 
650 4 |a autophagy 
650 4 |a p3 
650 7 |a Autophagy-Related Proteins  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
700 1 |a Lu, Yuwen  |e verfasserin  |4 aut 
700 1 |a Zheng, Xiyin  |e verfasserin  |4 aut 
700 1 |a Yang, Xue  |e verfasserin  |4 aut 
700 1 |a Chen, Ying  |e verfasserin  |4 aut 
700 1 |a Zhang, Tianhao  |e verfasserin  |4 aut 
700 1 |a Zhao, Xing  |e verfasserin  |4 aut 
700 1 |a Wang, Shu  |e verfasserin  |4 aut 
700 1 |a Zhao, Xia  |e verfasserin  |4 aut 
700 1 |a Song, Xijiao  |e verfasserin  |4 aut 
700 1 |a Zhang, Xiangxiang  |e verfasserin  |4 aut 
700 1 |a Peng, Jiejun  |e verfasserin  |4 aut 
700 1 |a Zheng, Hongying  |e verfasserin  |4 aut 
700 1 |a Lin, Lin  |e verfasserin  |4 aut 
700 1 |a MacFarlane, Stuart  |e verfasserin  |4 aut 
700 1 |a Liu, Yule  |e verfasserin  |4 aut 
700 1 |a Chen, Jianping  |e verfasserin  |4 aut 
700 1 |a Yan, Fei  |e verfasserin  |4 aut 
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