A transcription factor ZmGLK36 confers broad resistance to maize rough dwarf disease in cereal crops
文献类型: 外文期刊
第一作者: Xu, Zhennan
作者: Xu, Zhennan;Zhou, Zhiqiang;Cheng, Zixiang;Wang, Feifei;Li, Mingshun;Li, Gongjian;Li, Wenxue;Du, Qingguo;Wang, Ke;Lu, Xin;Tai, Yuxin;Chen, Runyi;Hao, Zhuanfang;Han, Jienan;Yong, Hongjun;Zhang, Degui;Weng, Jianfeng;Li, Xinhai;Zhou, Yu;Wang, Zhenhua;Chen, Yanping;Meng, Qingchang;Kong, Xiaomin;Tie, Shuanggui;Mu, Chunhua;Song, Weibin;Wang, Haiyang
作者机构:
期刊名称:NATURE PLANTS ( 影响因子:18.0; 五年影响因子:18.6 )
ISSN: 2055-026X
年卷期: 2023 年 9 卷 10 期
页码:
收录情况: SCI
摘要: Maize rough dwarf disease (MRDD), caused by maize rough dwarf virus (MRDV) or rice black-streaked dwarf virus (RBSDV), seriously threatens worldwide production of all major cereal crops, including maize, rice, wheat and barley. Here we report fine mapping and cloning of a previously reported major quantitative trait locus (QTL) (qMrdd2) for RBSDV resistance in maize. Subsequently, we show that qMrdd2 encodes a G2-like transcription factor named ZmGLK36 that promotes resistance to RBSDV by enhancing jasmonic acid (JA) biosynthesis and JA-mediated defence response. We identify a 26-bp indel located in the 5 & PRIME; UTR of ZmGLK36 that contributes to differential expression and resistance to RBSDV in maize inbred lines. Moreover, we show that ZmDBF2, an AP2/EREBP family transcription factor, directly binds to the 26-bp indel and represses ZmGLK36 expression. We further demonstrate that ZmGLK36 plays a conserved role in conferring resistance to RBSDV in rice and wheat using transgenic or marker-assisted breeding approaches. Our results provide insights into the molecular mechanisms of RBSDV resistance and effective strategies to breed RBSDV-resistant cereal crops.
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