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Pervasive hybridizations in the history of wheat relatives
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Plant Ecology and Evolution. Univ Rennes, CNRS, UMR 6553, ECOBIO Ecosyst Biodiversite Evolut, F-35042 Rennes, France.ORCID iD: 0000-0001-7260-4573
Univ Montpellier, Inst Sci Evolut, CNRS, IRD,EPHE CC 064, Pl Eugene Bataillon, F-34095 Montpellier 05, France.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology. Uppsala University, Science for Life Laboratory, SciLifeLab.
Univ Montpellier, AGAP, CIRAD, INRA,Montpellier SupAgro, Montpellier, France;CIRAD, UMR AGAP, F-34398 Montpellier, France.
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2019 (English)In: Science Advances, E-ISSN 2375-2548, Vol. 5, no 5, article id eaav9188Article in journal (Refereed) Published
Abstract [en]

Cultivated wheats are derived from an intricate history of three genomes, A, B, and D, present in both diploid and polyploid species. It was recently proposed that the D genome originated from an ancient hybridization between the A and B lineages. However, this result has been questioned, and a robust phylogeny of wheat relatives is still lacking. Using transcriptome data from all diploid species and a new methodological approach, our comprehensive phylogenomic analysis revealed that more than half of the species descend from an ancient hybridization event but with a more complex scenario involving a different parent than previously thought-Aegilops mutica, an overlooked wild species-instead of the B genome. We also detected other extensive gene flow events that could explain long-standing controversies in the classification of wheat relatives.

Place, publisher, year, edition, pages
AMER ASSOC ADVANCEMENT SCIENCE , 2019. Vol. 5, no 5, article id eaav9188
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Genetics
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URN: urn:nbn:se:uu:diva-387971DOI: 10.1126/sciadv.aav9188ISI: 000470125000086PubMedID: 31049399OAI: oai:DiVA.org:uu-387971DiVA, id: diva2:1331674
Note

De två första författarna delar förstaförfattarskapet.

Available from: 2019-06-27 Created: 2019-06-27 Last updated: 2019-06-27Bibliographically approved

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Glemin, SylvainDainat, JacquesViader, Veronique
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Plant Ecology and EvolutionDepartment of Medical Biochemistry and MicrobiologyScience for Life Laboratory, SciLifeLab
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