Mitogenomic phylogenetic analyses of the Delphinidae with an emphasis on the Globicephalinae

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Dokumenter

Julia Thidamarth Vilstrup Mouatt, Simon Y. W. Ho, Andrew David Foote, Phillip A, Morin, Danielle Kreb, Michael Krützen, Guido J. Parra, Kelly M. Robertson, Renaud de Stephanis, Philippe Verborgh, Eske Willerslev, Ludovic Antoine Alexandre Orlando, Tom Gilbert

Previous DNA-based phylogenetic studies of the Delphinidae family suggest it has undergone rapid diversification, as characterised by unresolved and poorly supported taxonomic relationships (polytomies) for some of the species within this group. Using an increased amount of sequence data we test between alternative hypotheses of soft polytomies caused by rapid speciation, slow evolutionary rate and/or insufficient sequence data, and hard polytomies caused by simultaneous speciation within this family. Combining the mitogenome sequences of five new and 12 previously published species within the Delphinidae, we used Bayesian and maximum-likelihood methods to estimate the phylogeny from partitioned and unpartitioned mitogenome sequences. Further ad hoc tests were then conducted to estimate the support for alternative topologies.
OriginalsprogEngelsk
Artikelnummer65
TidsskriftBMC Evolutionary Biology
Vol/bind11
Antal sider10
ISSN1471-2148
DOI
StatusUdgivet - 1 jan. 2011

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