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    Genebank genomics highlights the diversity of a global barley collection

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    180615_main_manuscript.pdf
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    Description:
    Accepted Manuscript
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    Type
    Article
    Authors
    Milner, Sara G. cc
    Jost, Matthias cc
    Taketa, Shin
    Mazón, Elena Rey cc
    Himmelbach, Axel cc
    Oppermann, Markus cc
    Weise, Stephan cc
    Knüpffer, Helmut cc
    Basterrechea, Martín
    König, Patrick cc
    Schüler, Danuta
    Sharma, Rajiv cc
    Pasam, Raj K. cc
    Rutten, Twan cc
    Guo, Ganggang cc
    Xu, Dongdong
    Zhang, Jing
    Herren, Gerhard
    Müller, Thomas cc
    Krattinger, Simon G. cc
    Keller, Beat cc
    Jiang, Yong cc
    González, Maria Y. cc
    Zhao, Yusheng cc
    Habekuß, Antje
    Färber, Sandra
    Ordon, Frank cc
    Lange, Matthias cc
    Börner, Andreas cc
    Graner, Andreas cc
    Reif, Jochen C. cc
    Scholz, Uwe cc
    Mascher, Martin cc
    Stein, Nils cc
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Plant Science
    Date
    2018-11-12
    Permanent link to this record
    http://hdl.handle.net/10754/629868
    
    Metadata
    Show full item record
    Abstract
    Genebanks hold comprehensive collections of cultivars, landraces and crop wild relatives of all major food crops, but their detailed characterization has so far been limited to sparse core sets. The analysis of genome-wide genotyping-by-sequencing data for almost all barley accessions of the German ex situ genebank provides insights into the global population structure of domesticated barley and points out redundancies and coverage gaps in one of the world’s major genebanks. Our large sample size and dense marker data afford great power for genome-wide association scans. We detect known and novel loci underlying morphological traits differentiating barley genepools, find evidence for convergent selection for barbless awns in barley and rice and show that a major-effect resistance locus conferring resistance to bymovirus infection has been favored by traditional farmers. This study outlines future directions for genomics-assisted genebank management and the utilization of germplasm collections for linking natural variation to human selection during crop evolution.
    Citation
    Milner SG, Jost M, Taketa S, Mazón ER, Himmelbach A, et al. (2018) Genebank genomics highlights the diversity of a global barley collection. Nature Genetics. Available: http://dx.doi.org/10.1038/s41588-018-0266-x.
    Sponsors
    We thank G. Matzig, J. Pohl, M. Ziems, C. Fricke, M. Kretschmann, S. König, I. Walde, G. Schütze, A. Fiebig, J. Bauernfeind, T. Münch and D. Grau for technical assistance and G. Proeseler for initiating the long-term virus testing. We are grateful to H. de Beukelaer for Corehunter support. We thank B. Schierscher-Viret from the Swiss national genebank for providing seeds and K. Lipfert for artwork. This work was supported by a grant from the Leibniz Association to N.S., U.S., H.K., A.B., A.G. and J.C.R. (Pakt für Forschung und Innovation: SAW-2015-IPK-1 ‘BRIDGE’); by the German Ministry of Education and Research (BMBF; grant 031A536 ‘de.NBI’ to U.S.); by the Young Elite Scientists Sponsorship Program (2015QNRC001) from the China Association for Science and Technology (CAST); by a grant from the China Scholarship Council to G.G.; by funding from the China Agriculture Research System (CARS-05) and the Agricultural Science and Technology Innovation Program to J.Z.; and by the Swiss Federal Office for Agriculture in the framework of the National Plan of Action for the conservation and sustainable utilization of plant genetic resources (NAP-PGREL). S.G.M. acknowledges support from the German Academic Exchange service (DAAD) through a Leibniz-DAAD fellowship. Y.J. and M.Y.G. were supported by BMBF grants 031B0184A and 031B0190A, respectively. S.F. was supported by BMBF grants to F.O. and A.Habekuß (ViReCrop, FKZ: 0315708B; COBRA, FKZ: 031A323B).
    Publisher
    Springer Nature
    Journal
    Nature Genetics
    DOI
    10.1038/s41588-018-0266-x
    Additional Links
    https://www.nature.com/articles/s41588-018-0266-x
    ae974a485f413a2113503eed53cd6c53
    10.1038/s41588-018-0266-x
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division

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