Variation of mitochondrial DNA in the Hipposideros caffer complex (Chiroptera: Hipposideridae) and its taxonomic implications

• Autorzy: Vallo P. , Guillen-Servent A. , Benda P. , Pires D. B. , Koubek P.
• Języki publikacji: EN

Abstrakty

EN

The Afrotropical leaf-nosed bat Hipposideros caffer has been traditionally regarded as a complex of populations, currently pertaining to two recognized cryptic species, H. caffer and H. ruber. Extent of distribution and morphological variation of these bats has raised concerns over whether the current perception of the complex reflects true phylogenetic relationships and taxonomic diversity. Our phylogenetic analysis of nucleotide sequences of the mitochondrial cytochrome b gene challenged the hypothesis of two cryptic species. Instead of the two reciprocally monophyletic lineages expected, corresponding to the two species, we recovered four distinct lineages with deep internal divergences. Two sister clades within a lineage of bats of H. caffer represent respectively the nominotypical form H. c. caffer, restricted to Southern Africa, and H. c. tephrus, inhabiting the Maghreb, West Africa and the Arabian Peninsula. Geographical isolation and deep genetic divergence suggest species status of both the forms. Another lineage comprises specimens of both morphotypes from West and East Africa. It probably represents a distinct species but its taxonomic assignation remains obscure. A Central African lineage of H. ruber comprises two sister clades, which become sympatric in Cameroon. Their status has to be clarified with additional evidence, since nuclear gene flow might be taking place. A further divergent lineage with H. ruber morphotype, most probably representing another distinct species, is restricted to West Africa. Although all three genetic forms of H. ruber may correspond to named taxa, their proper taxonomic assignation has to be assessed by comparison with type material.

Słowa kluczowe

EN

variation; mitochondrial DNA; Hipposideros caffer; Chiroptera; Hipposideridae; taxonomy; bat; leaf-nosed bat; cryptic species; cytochrome b; molecular systematics; phylogenesis

• Wydawca: -
• Czasopismo: Acta Chiropterologica
• Rocznik: 2008
• Tom: 10
• Numer: 2
• Opis fizyczny: p.193-206,fig.,ref.

Twórcy

autor

Vallo P.

• Institute of Verterbrate Biology, v.v.i., Academy of Sciences of the Czech Republic, Kvetna 8, 603 65 Brno, Czech Republic
• Institute of Botany and Zoology, Faculty of Science, Masaryk University, Kotlarska 2, 611 37 Brno, Czech Republic

autor

Guillen-Servent A.

• Instituto de Ecologia, A.C., km 2,5 Ctra. Antigua a Coatepec 351, Congregacion el Haya, 91070 Xalapa, Veracruz, Mexico

autor

Benda P.

• Department of Zoology, National Museum (Natural History), Vaclavske namesti 68, 115 79 Praha 1, Czech Republic
• Department of Zoology, Faculty of Science, Charles University, Vinicna 7, 128 44 Praha 2, Czech Republic

autor

Pires D. B.

• Department of Life Sciences, University of California, 621 Charles E. Young Drive South, Los Angeles, California 90095-1606, USA

autor

Koubek P.

• Institute of Verterbrate Biology, v.v.i., Academy of Sciences of the Czech Republic, Kvetna 8, 603 65 Brno, Czech Republic

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