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Reference genome-assisted identification of stem rust resistance gene Sr62 encoding a tandem kinase [post]

Guotai Yu, Oadi Matny, Nicolas Champouret, Burkhard Steuernagel, Matthew J. Moscou, Inmaculada Hernández-Pinzón, Phon Green, Sadiye Hayta, Mark Smedley, Wendy Harwood, Ngonidzashe Kangara, Yajuan Yue (+28 others)
2021 unpublished

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The wild relatives and progenitors of wheat have been widely used as sources of disease resistance (R) genes. Molecular identification and characterization of these R genes facilitates their manipulation and tracking in breeding programmes. We developed a reference-quality genome assembly of the wild diploid wheat relative Aegilops sharonensis and used positional mapping, mutagenesis, RNA-Seq and transgenesis to identify the stem rust resistance gene Sr62, which was also transferred to common
more » ... eat. This gene encodes a tandem kinase, homologues of which exist across multiple taxa in the plant kingdom. Stable Sr62 transgenic wheat lines showed high levels of resistance against diverse isolates of the stem rust pathogen, highlighting the utility of Sr62 for deployment as part of a polygenic stack to maximize the durability of stem rust resistance.
doi:10.21203/rs.3.rs-1198968/v1 fatcat:2svz2urigzgojdkhqt5fz66rhm
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Guotai Yu, Oadi Matny, Nicolas Champouret, Burkhard Steuernagel, Matthew J. Moscou, Inmaculada Hernández-Pinzón, Phon Green, Sadiye Hayta, Mark Smedley, Wendy Harwood, Ngonidzashe Kangara, Yajuan Yue, Catherine Gardener, Mark J. Banfield, Pablo D. Olivera, Cole Welchin, Jamie Simmons, Eitan Millet, Anna Minz-Dub, Moshe Ronen, Raz Avni, Amir Sharon, Mehran Patpour, Annemarie F. Justesen, Murukarthick Jayakodi, Axel Himmelbach, Nils Stein, Shuangye Wu, Jesse Poland, Jennifer Ens, Curtis Pozniak, Miroslava Karafiátová, István Molnár, Jaroslav Doležel, Eric R. Ward, T Lynne Reuber, Jonathan D. G. Jones, Martin Mascher, Brian J. Steffenson, Brande B. H. Wulff. "Reference genome-assisted identification of stem rust resistance gene Sr62 encoding a tandem kinase." (2021)