数字农科院2.0

Septoria tritici blotch resistance gene Stb15 encodes a lectin receptor-like kinase

文献类型： 外文期刊

作者： Hafeez, Amber N.;Chartrain, Laetitia;Feng, Cong;Cambon, Florence;Clarke, Martha;Griffiths, Simon;Hayta, Sadiye;Jiang, Mei;Keller, Beat;Kirby, Rachel;Kolodziej, Markus C.;Powell, Oliver R.;Smedley, Mark A.;Steuernagel, Burkhard;Xian, Wenfei;Wingen, Luzie U.;Cheng, Shifeng;Saintenac, Cyrille;Wulff, Brande B. H.;Brown, James K. M.

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期刊名称： NATURE PLANTS

ISSN： 2055-026X

年卷期： 2025 年

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收录情况： SCIE（2025版）

摘要： Septoria tritici blotch (STB), caused by the Dothideomycete fungus Zymoseptoria tritici, is one of the most damaging diseases of bread wheat (Triticum aestivum)1 and the target of costly fungicide applications2. In line with the fungus's apoplastic lifestyle, STB resistance genes isolated to date encode receptor-like kinases (RLKs) including a wall-associated kinase (Stb6) and a cysteine-rich kinase (Stb16q)3,4. Here we used genome-wide association studies on a diverse panel of 300 whole-genome shotgun-sequenced wheat landraces (WatSeq consortium5) to identify a 99-kb region containing six candidates for the Stb15 resistance gene. Mutagenesis and transgenesis confirmed a gene encoding an intronless G-type lectin RLK as Stb15. The characterization of Stb15 exemplifies the unexpected diversity of RLKs conferring Z. tritici resistance in wheat.

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