The AvrPm3-Pm3 effector-NLR interactions control both race-specific resistance and host-specificity of cereal mildews on wheat
文献类型： 外文期刊
作者： Bourras, Salim 1 ; Kunz, Lukas 1 ; Xue, Minfeng 3 ; Praz, Coraline Rosalie 1 ; Mueller, Marion Claudia 1 ; Kalin, C 1 ;
作者机构： 1.Univ Zurich, Dept Plant & Microbial Biol, CH-8008 Zurich, Switzerland
2.Swedish Univ Agr Sci, Div Plant Pathol, Dept Forest Mycol & Plant Pathol, S-75007 Uppsala, Sweden
3.Hubei Acad Agr Sci, Inst Plant Protect & Soil Sci, Wuhan 430064, Hubei, Peoples R China
4.Minist Agr, Key Lab Integrated Pest Management Crops Cent Chi, Wuhan 430064, Hubei, Peoples R China
5.Wuhan Univ, Coll Life Sci, Wuhan 430072, Hubei, Peoples R China
6.ARO Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, Israel
期刊名称：NATURE COMMUNICATIONS （ 影响因子：14.919； 五年影响因子：15.805 ）
ISSN： 2041-1723
年卷期： 2019 年 10 卷
页码：
收录情况： SCI
摘要： The wheat Pm3 resistance gene against the powdery mildew pathogen occurs as an allelic series encoding functionally different immune receptors which induce resistance upon recognition of isolate-specific avirulence (AVR) effectors from the pathogen. Here, we describe the identification of five effector proteins from the mildew pathogens of wheat, rye, and the wild grass Dactylis glomerata, specifically recognized by the PM3B, PM3C and PM3D receptors. Together with the earlier identified AVRPM3(A2/F2), the recognized AVRs of PM3B/C, (AVRPM3(B2/C2)), and PM3D (AVRPM3(D3)) belong to a large group of proteins with low sequence homology but predicted structural similarities. AvrPm3(b2/c2) and AvrPm3(d3) are conserved in all tested isolates of wheat and rye mildew, and non-host infection assays demonstrate that Pm3b, Pm3c, and Pm3d are also restricting the growth of rye mildew on wheat. Furthermore, divergent AVR homologues from non-adapted rye and Dactylis mildews are recognized by PM3B, PM3C, or PM3D, demonstrating their involvement in host specificity.
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