Population genomics of yams: evolution and domestication of Dioscorea species

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cg.authorship.typesCGIAR and advanced research instituteen
cg.contributor.affiliationKyoto Universityen
cg.contributor.affiliationIwate Biotechnology Research Center, Japanen
cg.contributor.affiliationLa Trobe Universityen
cg.contributor.affiliationIshikawa Prefectural Universityen
cg.contributor.affiliationInternational Institute of Tropical Agricultureen
cg.contributor.crpRoots, Tubers and Bananas
cg.contributor.donorBill & Melinda Gates Foundationen
cg.coverage.countryBenin
cg.coverage.countryCameroon
cg.coverage.countryCôte d'Ivoire
cg.coverage.countryGhana
cg.coverage.countryNigeria
cg.coverage.countryTogo
cg.coverage.iso3166-alpha2BJ
cg.coverage.iso3166-alpha2CM
cg.coverage.iso3166-alpha2CI
cg.coverage.iso3166-alpha2GH
cg.coverage.iso3166-alpha2NG
cg.coverage.iso3166-alpha2TG
cg.coverage.regionAfrica
cg.coverage.regionMiddle Africa
cg.coverage.regionWestern Africa
cg.creator.identifierRobert Asiedu: 0000-0001-8943-2376
cg.creator.identifierAsrat Asfaw: 0000-0002-4859-0631
cg.creator.identifierPatrick Adebola: 0000-0002-5155-6194
cg.howPublishedFormally Publisheden
cg.identifier.doihttps://doi.org/10.1007/13836_2021_94en
cg.identifier.iitathemeBIOTECH & PLANT BREEDING
cg.issn2364-6764en
cg.issn2364-6772en
cg.placeNew York, USAen
cg.reviewStatusPeer Reviewen
cg.subject.iitaAGRONOMYen
cg.subject.iitaFOOD SECURITYen
cg.subject.iitaPLANT BREEDINGen
cg.subject.iitaPLANT PRODUCTIONen
cg.subject.iitaYAMen
cg.subject.impactAreaNutrition, health and food security
cg.subject.sdgSDG 2 - Zero hungeren
dc.contributor.authorSugihara, Y.en
dc.contributor.authorKudoh, A.en
dc.contributor.authorOli, M.T.en
dc.contributor.authorTakagi, H.en
dc.contributor.authorNatsume, S.en
dc.contributor.authorShimizu, M.en
dc.contributor.authorAbe, A.en
dc.contributor.authorAsiedu, R.en
dc.contributor.authorAsfaw, A.en
dc.contributor.authorAdebola, P.O.en
dc.contributor.authorTerauchi, R.en
dc.date.accessioned2021-09-28T13:54:48Zen
dc.date.available2021-09-28T13:54:48Zen
dc.identifier.urihttps://hdl.handle.net/10568/115206
dc.titlePopulation genomics of yams: evolution and domestication of Dioscorea speciesen
dcterms.abstractYam is a collective name of tuber crops belonging to the genus Dioscorea. Yam is important not only as a staple food crop but also as an integral component of society and culture of the millions of people who depend on it. However, due to its regional importance, yam has long been regarded as an “orphan crop” lacking a due global attention. Although this perception is changing with recent advances in genomics technologies, domestication processes of most yam species are still ambiguous. This is mainly due to the complicated evolutionary history of Dioscorea species caused by frequent hybridization and polyploidization, which is possibly caused by dioecy that imposed obligate outcrossing to the species of Dioscorea. In this chapter, we provide an overview of the evolution of Dioscorea and address the domestication of yam from population genomics perspectives by focusing on the processes of hybridization and polyploidization. A review is given to the recent population genomics studies on the hybrid origin of D. rotundata in West and Central Africa, the global dispersion of D. alata through human migrations, and the whole-genome duplication of the South America species of D. trifida. In the end, we give a summary of current understanding of sex-determination system in Dioscorea.en
dcterms.accessRightsOpen Access
dcterms.audienceScientistsen
dcterms.available2021-08-21
dcterms.bibliographicCitationSugihara, Y., Kudoh, A., Oli, M.T., Takagi, H., Natsume, S., Shimizu, M., ... & Terauchi, R. (2021). Population genomics of yams: evolution and domestication of Dioscorea species. In P. Rajora, Population Genomics. New York: Springer (p.1-28).en
dcterms.extent1-28en
dcterms.isPartOfPopulation Genomicsen
dcterms.issued2021
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherSpringeren
dcterms.subjectdioscoreaen
dcterms.subjectdomesticationen
dcterms.subjectevolutionen
dcterms.subjectgenetic diversityen
dcterms.subjecthybridizationen
dcterms.subjectpolyploidyen
dcterms.subjectsex determinationen
dcterms.subjectyamsen
dcterms.typeBook Chapter

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