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dc.date.accessioned2018-01-15T13:33:30Z
dc.date.available2018-01-15T13:33:30Z
dc.date.created2017-06-13T11:54:39Z
dc.date.issued2017
dc.identifier.citationTusiime, Felly Mugizi Gizaw, Abel Wondimu, Tigist Masao, Catherine Abdi, Ahmed Abdikhadir Muwanika, Vincent Travnicek, Pavel Nemomissa, Sileshi Popp, Magnus Eilu, Gerald Brochmann, Christian Pimentel, Manuel . Sweet vernal grasses (Anthoxanthum) colonized African mountains along two fronts in the Late Pliocene, followed by secondary contact, polyploidization and local extinction in the Pleistocene. Molecular Ecology. 2017, 26(13), 3513-3532
dc.identifier.urihttp://hdl.handle.net/10852/59611
dc.description.abstractHigh tropical mountains harbour remarkable and fragmented biodiversity thought to a large degree to have been shaped by multiple dispersals of cold-adapted lineages from remote areas. Few dated phylogenetic/phylogeographic analyses are however available. Here, we address the hypotheses that the sub-Saharan African sweet vernal grasses have a dual colonization history and that lineages of independent origins have established secondary contact. We carried out rangewide sampling across the eastern African high mountains, inferred dated phylogenies from nuclear ribosomal and plastid DNA using Bayesian methods, and performed flow cytometry and AFLP (amplified fragment length polymorphism) analyses. We inferred a single Late Pliocene western Eurasian origin of the eastern African taxa, whose high-ploid populations in one mountain group formed a distinct phylogeographic group and carried plastids that diverged from those of the currently allopatric southern African lineage in the Mid- to Late Pleistocene. We show that Anthoxanthum has an intriguing history in sub-Saharan Africa, including Late Pliocene colonization from southeast and north, followed by secondary contact, hybridization, allopolyploidization and local extinction during one of the last glacial cycles. Our results add to a growing body of evidence showing that isolated tropical high mountain habitats have a dynamic recent history involving niche conservatism and recruitment from remote sources, repeated dispersals, diversification, hybridization and local extinction. The final version of this research has been published in Molecular Ecology. © 2017 Wileyen_US
dc.languageEN
dc.publisherBlackwell Scientific Publications
dc.titleSweet vernal grasses (Anthoxanthum) colonized African mountains along two fronts in the Late Pliocene, followed by secondary contact, polyploidization and local extinction in the Pleistoceneen_US
dc.typeJournal articleen_US
dc.creator.authorTusiime, Felly Mugizi
dc.creator.authorGizaw, Abel
dc.creator.authorWondimu, Tigist
dc.creator.authorMasao, Catherine
dc.creator.authorAbdi, Ahmed Abdikhadir
dc.creator.authorMuwanika, Vincent
dc.creator.authorTravnicek, Pavel
dc.creator.authorNemomissa, Sileshi
dc.creator.authorPopp, Magnus
dc.creator.authorEilu, Gerald
dc.creator.authorBrochmann, Christian
dc.creator.authorPimentel, Manuel
cristin.unitcode185,28,0,0
cristin.unitnameNaturhistorisk museum
cristin.ispublishedtrue
cristin.fulltextpreprint
cristin.qualitycode2
dc.identifier.cristin1475642
dc.identifier.bibliographiccitationinfo:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Molecular Ecology&rft.volume=26&rft.spage=3513&rft.date=2017
dc.identifier.jtitleMolecular Ecology
dc.identifier.volume26
dc.identifier.issue13
dc.identifier.startpage3513
dc.identifier.endpage3532
dc.identifier.doihttp://dx.doi.org/10.1111/mec.14136
dc.identifier.urnURN:NBN:no-62274
dc.type.documentTidsskriftartikkelen_US
dc.source.issn0962-1083
dc.identifier.fulltextFulltext https://www.duo.uio.no/bitstream/handle/10852/59611/2/Tusiime_etal_2017_pre_print.pdf
dc.type.versionSubmittedVersion


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