The phytohormone jasmonic acid is involved in rice resistance to Southern rice black-streaked dwarf virus  

作　　者：Chaorui Huang Qing Liu Qingling Qi Chenfei Gao Lulu Li Yanjun Li Jianping Chen Zongtao Sun Jianlong Xu Hehong Zhang 

机构地区：[1]State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products,Key Laboratory of Biotechnology in Plant Protection of MOA of China and Zhejiang Province,Institute of Plant Virology,Ningbo University,Ningbo 315211,Zhejiang,China [2]Institute of Crop Sciences,National Key Facility for Crop Gene Resources and Genetic lmprovement,Chinese Academy of Agricultural Sciences,Beijing 100081,China

出　　处：《The Crop Journal》2025年第1期23-30,共8页作物学报(英文版)

基　　金：funded by the National Key Research and Development Plan of China(2023YFD1400300);National Natural Science Foundation of China(U23A6006,32270149,32272555);Zhejiang Provincial Natural Science Foundation(LZ22C140001);the Ningbo Major Research and Development Plan Project(2023Z124).

摘　　要：Viruses are significant pathogens causing severe plant infections and crop losses globally.The resistance mechanisms of rice to viral diseases,particularly Southern rice black-streaked dwarf virus(SRBSDV),remain poorly understood.In this study,we assessed SRBSDV susceptibility in 20 Xian/indica(XI)and 20 Geng/japonica(GJ)rice varieties.XI-1B accessions in the Xian subgroup displayed higher resistance than GJ accessions.Comparative transcriptome analysis revealed changes in processes like oxidoreductase activity,jasmonic acid(JA)metabolism,and stress response.JA sensitivity assays further linked antiviral defense to the JA pathway.These findings highlight a JA-mediated resistance mechanism in rice and offer insights for breeding SRBSDV-resistant varieties.

关 键 词：Oryza sativa(rice) Jasmonic acid Southern rice black-streaked dwarf virus(SRBSDV) Variety resistance Defense response 

分 类 号：S511[农业科学—作物学]