Unexpected evolutionary diversity in a recently extinct Caribbean mammal radiation

dc.creatorBrace, Selina
dc.creatorTurvey, Samuel T.
dc.creatorWeksler, Marcelo
dc.creatorHoogland, Menno L. P.
dc.creatorBames, Ian
dc.date2015-08-19T13:49:19Z
dc.date2016-05-01T07:30:05Z
dc.date2015
dc.date.accessioned2023-09-26T21:02:17Z
dc.date.available2023-09-26T21:02:17Z
dc.identifierBRACE, Selina; et al. Unexpected evolutionary diversity in a recently extinct Caribbean mammal radiation. Proc. R. Soc. B, v.282, n.1807, 9p, May 2015
dc.identifierhttps://www.arca.fiocruz.br/handle/icict/11479
dc.identifier10.1098/rspb.2014.2371
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8868130
dc.descriptionIdentifying general patterns of colonization and radiation in island faunas is often hindered by past human-caused extinctions. The insular Caribbean is one of the only complex oceanic-type island systems colonized by land mammals, but has witnessed the globally highest level of mammalian extinction during the Holocene. Using ancient DNA analysis, we reconstruct the evolutionary history of one of the Caribbean’s now-extinct major mammal groups, the insular radiation of oryzomyine rice rats. Despite the significant problems of recovering DNA from prehistoric tropical archaeological material, it was possible to identify two discrete Late Miocene colonizations of the main Lesser Antillean island chain from mainland South America by oryzomyine lineages that were only distantly related. A high level of phylogenetic diversification was observed within oryzomyines across the Lesser Antilles, even between allopatric populations on the same island bank. The timing of oryzomyine colonization is closely similar to the age of several other Caribbean vertebrate taxa, suggesting that geomorphological conditions during the Late Miocene facilitated broadly simultaneous overwater waif dispersal of many South American lineages to the Lesser Antilles. These data provide an important baseline by which to further develop the Caribbean as a unique workshop for studying island evolution.
dc.formatapplication/pdf
dc.languageeng
dc.publisherThe Royal Society Publishing
dc.rightsrestricted access
dc.subjectancient DNA
dc.subjectBiogeography
dc.subjectExtinct mammal
dc.subjectIsland evolution
dc.subjectOryzomyini
dc.subjectPhylogeny
dc.subjectInsular Caribbean
dc.subjectBiogeografia
dc.subjectFilogenia
dc.titleUnexpected evolutionary diversity in a recently extinct Caribbean mammal radiation
dc.typeArticle


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