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Gaurav, K.* ; Arora, S.* ; Silva, P.* ; Sánchez-Martín, J.* ; Horsnell, R.* ; Gao, L.* ; Brar, G.S.* ; Widrig, V.* ; John Raupp, W.* ; Singh, N.* ; Wu, S.* ; Kale, S.M.* ; Chinoy, C.* ; Nicholson, P.* ; Quiroz-Chávez, J.* ; Simmonds, J.* ; Hayta, S.* ; Smedley, M.A.* ; Harwood, W.* ; Pearce, S.* ; Gilbert, D.* ; Kangara, N.* ; Gardener, C.* ; Forner-Martínez, M.* ; Liu, J.* ; Yu, G.* ; Boden, S.A.* ; Pascucci, A.* ; Ghosh, S.* ; Hafeez, A.N.* ; O'Hara, T.* ; Waites, J.* ; Cheema, J.* ; Steuernagel, B.* ; Patpour, M.* ; Justesen, A.F.* ; Liu, S.* ; Rudd, J.C.* ; Avni, R.* ; Sharon, A.* ; Steiner, B.* ; Kirana, R.P.* ; Buerstmayr, H.* ; Mehrabi, A.A.* ; Nasyrova, F.Y.* ; Chayut, N.* ; Matny, O.* ; Steffenson, B.J.* ; Sandhu, N.* ; Chhuneja, P.* ; Lagudah, E.* ; Elkot, A.F.* ; Tyrrell, S.* ; Bian, X.* ; Davey, R.P.* ; Simonsen, M.* ; Schauser, L.* ; Tiwari, V.K.* ; Randy Kutcher, H.* ; Hucl, P.J.* ; Li, A.* ; Liu, D.C.* ; Mao, L.* ; Xu, S.* ; Brown-Guedira, G.* ; Faris, J.* ; Dvorak, J.* ; Luo, M.C.* ; Krasileva, K.* ; Lux, T. ; Artmeier, S. ; Mayer, K.F.X. ; Uauy, C.* ; Mascher, M.* ; Bentley, A.R.* ; Keller, B.* ; Poland, J.* ; Wulff, B.B.H.*

Population genomic analysis of Aegilops tauschii identifies targets for bread wheat improvement.

Nat. Biotechnol. 40, 422–431 (2022)
Verlagsversion DOI PMC
Open Access Gold (Paid Option)
Creative Commons Lizenzvertrag
Aegilops tauschii, the diploid wild progenitor of the D subgenome of bread wheat, is a reservoir of genetic diversity for improving bread wheat performance and environmental resilience. Here we sequenced 242 Ae. tauschii accessions and compared them to the wheat D subgenome to characterize genomic diversity. We found that a rare lineage of Ae. tauschii geographically restricted to present-day Georgia contributed to the wheat D subgenome in the independent hybridizations that gave rise to modern bread wheat. Through k-mer-based association mapping, we identified discrete genomic regions with candidate genes for disease and pest resistance and demonstrated their functional transfer into wheat by transgenesis and wide crossing, including the generation of a library of hexaploids incorporating diverse Ae. tauschii genomes. Exploiting the genomic diversity of the Ae. tauschii ancestral diploid genome permits rapid trait discovery and functional genetic validation in a hexaploid background amenable to breeding.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Korrespondenzautor
Schlagwörter Curl-mite; Resistance Gene; Hexaploid Wheat; Triticum-aestivum; Sequence; Polymorphisms; Progenitor; Diversity; Evolution; Trichomes
ISSN (print) / ISBN 1087-0156
e-ISSN 1546-1696
Zeitschrift Nature Biotechnology
Quellenangaben Band: 40, Heft: 3, Seiten: 422–431 Artikelnummer: , Supplement: ,
Verlag Nature Publishing Group
Verlagsort New York, NY
Nichtpatentliteratur Publikationen
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit Plant Genome and Systems Biology (PGSB)
Förderungen National Science Foundation (NSF)
Royal Society
Department of Biotechnology, Ministry of Science and Technology (DBT)
Chinese Academy of Agricultural Sciences (CAAS)
RCUK | Biotechnology and Biological Sciences Research Council (BBSRC)