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A transcription factor ZmGLK36 confers broad resistance to maize rough dwarf disease in cereal crops

文献类型： 外文期刊

作者： Xu, Zhennan 1 ; Zhou, Zhiqiang 1 ; Cheng, Zixiang 1 ; Zhou, Yu 2 ; Wang, Feifei 1 ; Li, Mingshun 1 ; Li, Gongjian 1 ; Li, Wenxue 1 ; Du, Qingguo 1 ; Wang, Ke 1 ; Lu, Xin 1 ; Tai, Yuxin 1 ; Chen, Runyi 1 ; Hao, Zhuanfang 1 ; Han, Jienan 1 ; Chen, Yanping 3 ; Meng, Qingchang 3 ; Kong, Xiaomin 4 ; Tie, Shuanggui 5 ; Mu, Chunhua 6 ; Song, Weibin 7 ; Wang, Zhenhua 2 ; Yong, Hongjun 1 ; Zhang, Degui 1 ; Wang, Haiyang 8 ; Weng, Jianfeng 1 ; Li, Xinhai 1 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Crop Sci, State Key Lab Crop Gene Resources & Breeding, Beijing, Peoples R China

2.Northeast Agr Univ, Harbin, Peoples R China

3.Jiangsu Acad Agr Sci, Nanjing, Peoples R China

4.Jining Acad Agr Sci, Jining, Peoples R China

5.Henan Acad Agr Sci, Zhengzhou, Peoples R China

6.Shandong Acad Agr Sci, Jinan, Peoples R China

7.China Agr Univ, Beijing, Peoples R China

8.South China Agr Univ, Guangdong Lab Lingnan Modern Agr, State Key Lab Conservat & Utilizat Subtrop Agrobio, Guangzhou, Peoples R China

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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