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Perception of viral infections and initiation of antiviral defence in rice

文献类型： 外文期刊

作者： Huang, Yu 1 ; Yang, Jialin 2 ; Sun, Xi 1 ; Li, Jiahao 1 ; Cao, Xiaoqiang 4 ; Yao, Shengze 1 ; Han, Yanhong 3 ; Chen, Changtian 3 ; Du, Linlin 6 ; Li, Shuo 6 ; Ji, Yinghua 6 ; Zhou, Tong 6 ; Wang, He 7 ; Han, Jia-jia 8 ; Wang, Wenming 7 ; Wei, Chunhong 1 ; Xie, Qi 4 ; Yang, Zhirui 10 ; Li, Yi 1 ;

作者机构： 1.Peking Univ, Sch Life Sci, State Key Lab Gene Funct & Modulat Res, Beijing, Peoples R China

2.Peking Univ, Acad Adv Interdisciplinary Studies, Beijing, Peoples R China

3.Fujian Agr & Forestry Univ, Inst Plant Virol, Vector borne Virus Res Ctr, Fujian Prov Key Lab Plant Virol, Fuzhou, Peoples R China

4.Chinese Acad Sci, Inst Genet & Dev Biol, Innovat Acad Seed Design, Beijing, Peoples R China

5.Univ Chinese Acad Sci, Beijing, Peoples R China

6.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing, Peoples R China

7.Sichuan Agr Univ, State Key Lab Crop Gene Explorat & Utilizat Southw, Chengdu, Peoples R China

8.Yunnan Univ, Inst Biodivers, Sch Ecol & Environm Sci, Kunming, Peoples R China

9.Syngenta Grp China, Natl Ctr Technol Innovat Maize, State Key Lab Crop Germplasm Innovat & Mol Breedin, Beijing, Peoples R China

10.China Agr Univ, Coll Biol Sci, State Key Lab Plant Environm Resilience, Beijing, Peoples R China

11.Sichuan Acad Agr Sci, Sichuan Inst Edible Fungi, Chengdu, Peoples R China

期刊名称：NATURE （ 影响因子：48.5； 五年影响因子：55.0 ）

ISSN： 0028-0836

年卷期： 2025 年 641 卷 8061 期

页码：

收录情况： SCI

摘要： Crop production faces persistent threats from insect-vector-borne viral diseases1,2. Recent advancements have revealed the intricate immune mechanisms that plants deploy against viral pathogens3, 4, 5, 6, 7-8. However, the molecular mechanisms through which plant hosts recognize viral infections and initiate antiviral defence at disease onset have not been elucidated. Here, through the natural infection of rice by inoculation with insect vectors carrying the natural forms of viruses, we show that viral coat proteins are perceived by the RING1-IBR-RING2-type ubiquitin ligase (RBRL), initiating the first step of the natural antiviral response in rice. RBRL subsequently targets an adaptor protein of the transcriptional repression complex of the jasmonate pathway, NOVEL INTERACTOR OF JAZ 3 (NINJA3), for degradation through the ubiquitination system, inducing jasmonate signalling and activating downstream antiviral defence. We further show that this phenomenon is a universal molecular mechanism used by rice plants to perceive viral infections and initiate antiviral signalling cascades. This approach is important not only for obtaining a deeper understanding of virus-host interactions but also for further disease resistance breeding.

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