Phylogenetic relationships of hexaploid large-sized barbs (genus Labeobarbus, Cyprinidae) based on mtDNA data

TitlePhylogenetic relationships of hexaploid large-sized barbs (genus Labeobarbus, Cyprinidae) based on mtDNA data
Publication TypeJournal Article
Year of Publication2010
AuthorsTsigenopoulos, CS, Kasapidis P, Berrebi P
JournalMolecular Phylogenetics and Evolution
Volume56
Issue2
Pages851 - 856
KeywordsAfrica, Barbines, Cyprinids, Cytochrome b, Hexaploidy, Labeobarbus
Abstract

The phylogenetic relationships among species of the Labeobarbus genus (Teleostei, Cyprinidae) which comprises large body-sized hexaploid taxa were inferred using complete cytochrome b mitochondrial gene sequences. Molecular data suggest two main evolutionary groups which roughly correspond to a Northern (Middle East and Northwest Africa) and a sub-Saharan lineage. The splitting of the African hexaploids from their Asian ancestors and their subsequent diversification on the African continent occurred in the Late Miocene, a period in which other cyprinins also invaded Africa and radiated in the Mediterranean region. Finally, systematic implications of these results to the taxonomic validity of genera or subgenera such as Varicorhinus, Kosswigobarbus, Carasobarbus and Capoeta are further discussed. © 2010 Elsevier Inc. All rights reserved.

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