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    Genome sequences of two diploid wild relatives of cultivated sweetpotato reveal targets for genetic improvement.

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    Journal Article (3.662Mb)
    Authors
    Wu, S.
    Lau, K.H.
    Cao, Q.
    Hamilton, J.P.
    Sun, H.
    Zhou, C.
    Eserman, L.
    Gemenet, D.
    Olukolu, B.A.
    Wang, H.
    Crisovan, E.
    Godden, G.
    Jiao, C.
    Wang, X.
    Kitavi, M.
    Manrique-Carpintero, N.
    Vaillancourt, B.
    Wiegert-Rininger, K.
    Yang, X.
    Bao, K.
    Schaff, J.
    Kreuze, Jan F.
    Gruneberg, W.J.
    Khan, A.
    Ghislain, M.
    Ma, D.
    Jiang, J.
    Mwanga, R.O.M.
    Leebens-Mack, J.
    Coin, L.
    Yencho, G.C.
    Buell, R.
    Fei, Z.
    Date
    2018-11
    Language
    en
    Type
    Journal Article
    Review status
    Peer Review
    ISI journal
    Accessibility
    Open Access
    Usage rights
    CC-BY-4.0
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    Citation
    Wu, S.; Lau, K.H.; Cao, Q.; Hamilton, J.P.; Sun, H.; Zhou, C.; Eserman, L.; Gemenet, D.; Olukolu, B.; Wang, H.; Crisovan, E.; Godden, G.; Jiao, C.; Wang, X.; Kitavi, M.; Manrique-Carpintero, N.; Vaillancourt, B.; Wiegert-Rininger, K.; Yang, X.; Bao, K.; Schaff, J.; Kreuze, J.F.; Gruneberg, W.J.; Khan, A.; Ghislain, M.; Ma, D.; Jiang, J.; Mwanga, R.O.M.; Leebens-Mack, J. Coin, L.; Yencho, G.C.; Buell, R.; Fei, Z. 2018. Genome sequences of two diploid wild relatives of cultivated sweetpotato reveal targets for genetic improvement. Nature Communications. ISSN 2041-1723. 9:4580. 12 p.
    Permanent link to cite or share this item: https://hdl.handle.net/10568/98495
    DOI: https://doi.org/10.1038/s41467-018-06983-8
    Abstract/Description
    Sweetpotato [Ipomoea batatas (L.) Lam.] is a globally important staple food crop, especially for sub-Saharan Africa. Agronomic improvement of sweetpotato has lagged behind other major food crops due to a lack of genomic and genetic resources and inherent challenges in breeding a heterozygous, clonally propagated polyploid. Here, we report the genome sequences of its two diploid relatives, I. trifida and I. triloba, and show that these high-quality genome assemblies are robust references for hexaploid sweetpotato. Comparative and phylogenetic analyses reveal insights into the ancient whole-genome triplication history of Ipomoea and evolutionary relationships within the Batatas complex. Using resequencing data from 16 genotypes widely used in African breeding programs, genes and alleles associated with carotenoid biosynthesis in storage roots are identified, which may enable efficient breeding of varieties with high provitamin A content. These resources will facilitate genomeenabled breeding in this important food security crop.
    CGIAR Author ORCID iDs
    Dorcus Gemenethttps://orcid.org/0000-0003-4901-1694
    Jan Kreuzehttps://orcid.org/0000-0002-6116-9200
    Wolfgang Gruneberghttps://orcid.org/0000-0002-8306-6704
    Marc Ghislainhttps://orcid.org/0000-0001-6485-1494
    Other CGIAR Affiliations
    Roots, Tubers and Bananas
    AGROVOC Keywords
    sweet potatoes; genomes; phylogeny; genomics
    Subjects
    SWEETPOTATOES; SWEETPOTATO AGRI-FOOD SYSTEMS; GENETICS, GENOMICS AND CROP IMPROVEMENT SCIENCES GGCI;
    Organizations Affiliated to the Authors
    Cornell University; Michigan State University; University of Queensland; University of Georgia; International Potato Center; North Carolina State University; Jiangsu Xuzhou Sweetpotato Research Center
    Collections
    • CIP Journal Articles [915]
    • CIP sweetpotato agri-food systems program [465]
    • RTB Journal Articles [1299]

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