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Molecular phylogenetic analysis of nuclear genes suggests a Cenozoic over-water dispersal origin for the Cuban solenodon

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Title: Molecular phylogenetic analysis of nuclear genes suggests a Cenozoic over-water dispersal origin for the Cuban solenodon
Authors: Sato, Jun J. Browse this author
Ohdachi, Satoshi D. Browse this author →KAKEN DB
Echenique-Diaz, Lazaro M. Browse this author
Borroto-Páez, Rafael Browse this author
Begué-Quiala, Gerardo Browse this author
Delgado-Labañino, Jorge L. Browse this author
Gámez-Díez, Jorgelino Browse this author
Alvarez-Lemus, José Browse this author
Nguyen, Son Truong Browse this author
Yamaguchi, Nobuyuki Browse this author
Kita, Masaki Browse this author
Issue Date: 23-Aug-2016
Publisher: Nature Publishing Group
Journal Title: Scientific Reports
Volume: 6
Start Page: 31173
Publisher DOI: 10.1038/srep31173
Abstract: The Cuban solenodon (Solenodon cubanus) is one of the most enigmatic mammals and is an extremely rare species with a distribution limited to a small part of the island of Cuba. Despite its rarity, in 2012 seven individuals of S. cubanus were captured and sampled successfully for DNA analysis, providing new insights into the evolutionary origin of this species and into the origins of the Caribbean fauna, which remain controversial. We conducted molecular phylogenetic analyses of five nuclear genes (Apob, Atp7a, Bdnf, Brca1 and Rag1; total, 4,602 bp) from 35 species of the mammalian order Eulipotyphla. Based on Bayesian relaxed molecular clock analyses, the family Solenodontidae diverged from other eulipotyphlan in the Paleocene, after the bolide impact on the Yucatan Peninsula, and S. cubanus diverged from the Hispaniolan solenodon (S. paradoxus) in the Early Pliocene. The strikingly recent divergence time estimates suggest that S. cubanus and its ancestral lineage originated via over-water dispersal rather than vicariance events, as had previously been hypothesised.
Rights: https://creativecommons.org/licenses/by/4.0/
https://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/62696
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 大舘 智志

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