Wheat powdery mildew resistance gene Pm13 encodes a mixed lineage kinase domain-like protein

文献类型： 外文期刊

第一作者： Li, Huanhuan

作者： Li, Huanhuan;Men, Wenqiang;Ma, Chao;Liu, Qianwen;Wang, Chaoli;Zhao, Yue;Liu, Wenxuan;Dong, Zhenjie;Tian, Xiubin;Liu, Cheng;Gill, Harsimardeep S.;Sehgal, Sunish K.;Ma, Pengtao;Zhang, Zhibin;Liu, Bao

作者机构：

期刊名称：NATURE COMMUNICATIONS （ 影响因子：16.6； 五年影响因子：17.0 ）

ISSN：

年卷期： 2024 年 15 卷 1 期

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收录情况： SCI

摘要： Wheat powdery mildew is one of the most destructive diseases threatening global wheat production. The wild relatives of wheat constitute rich sources of diversity for powdery mildew resistance. Here, we report the map-based cloning of the powdery mildew resistance gene Pm13 from the wild wheat species Aegilops longissima. Pm13 encodes a mixed lineage kinase domain-like (MLKL) protein that contains an N-terminal-domain of MLKL (MLKL_NTD) domain in its N-terminus and a C-terminal serine/threonine kinase (STK) domain. The resistance function of Pm13 is validated by mutagenesis, gene silencing, transgenic assay, and allelic association analyses. The development of introgression lines with significantly reduced chromosome segments of Ae. longissima encompassing Pm13 enables widespread deployment of this gene into wheat cultivars. The cloning of Pm13 may provide valuable insights into the molecular mechanisms underlying Pm13-mediated powdery mildew resistance and highlight the important roles of kinase fusion proteins (KFPs) in wheat immunity.

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