Plant Mol Biol (2017) 93:247–267 DOI 10.1007/s11103-016-0559-3 Metabolo-transcriptome profiling of barley reveals induction of chitin elicitor receptor kinase gene (HvCERK1) conferring resistance against Fusarium graminearum 1 1 1 1 Shailesh Karre · Arun Kumar · Dhananjay Dhokane · Ajjamada C. Kushalappa Received: 6 May 2016 / Accepted: 8 November 2016 / Published online: 14 November 2016 © Springer Science+Business Media Dordrecht 2016 Abstract of induced secondary metabolites, belonging to phenyl- Key message We report plausible disease resistance propanoid, hydroxycinnamic acid (HCAA) and jasmonic mechanisms induced by barley resistant genotype acid pathways, and their biosynthetic genes. In association CI89831 against Fusarium head blight (FHB) based with these, receptor kinases such as chitin elicitor recep- on metabolo-transcriptomics approach. We identi- tor kinase (HvCERK1) and protein kinases such as MAP fied HvCERK1 as a candidate gene for FHB resist- kinase 3 (HvMPK3) and MAPK substrate 1 (HvMKS1), ance, which is functional in resistant genotype CI9831 and transcription factors such as HvERF1/5, HvNAC42, but non-functional in susceptible cultivars H106-371 HvWRKY23 and HvWRKY70 were also found upregulated and Zhedar-2. For the first time, we were able to show with high fold change. Polymorphism studies across three a hierarchy of regulatory genes that regulated down- barley genotypes confirmed the presence of mutations
Plant Molecular Biology – Springer Journals
Published: Nov 14, 2016
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