Abstract
AbstractSeptoria tritici blotch (STB), caused by the Dothideomycete fungusZymoseptoria tritici, is of one of the most damaging diseases of bread wheat (Triticum aestivum)1and the target of costly fungicide applications2. In line with the fungus’ 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 (GWAS) on a panel of 300 whole-genome shotgun-sequenced diverse wheat landraces (WatSeq consortium) to identify a 99 kb region containing six candidates for theStb15resistance gene. Mutagenesis and transgenesis confirmed a gene encoding an intronless G-type lectin RLK (LecRK) asStb15. The characterisation ofStb15exemplifies the unexpected diversity of RLKs conferringZ. triticiresistance in wheat.
Publisher
Cold Spring Harbor Laboratory
Cited by
2 articles.
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