Molecular phylogeny of Southeast Asian arboreal murine rodents

Pagès Marie, Fabre Pierre-Henri, Chaval Yannick, Mortelliti Alessio, Nicolas Violaine, Wells Konstans, Michaux Johan, Lazzari Vincent. 2016. Molecular phylogeny of Southeast Asian arboreal murine rodents. Zoologica Scripta, 45 (4) : pp. 349-364.

Journal article ; Article de recherche ; Article de revue à facteur d'impact
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Quartile : Q1, Sujet : ZOOLOGY / Quartile : Q2, Sujet : EVOLUTIONARY BIOLOGY

Abstract : Recent phylogenetic studies and taxonomic reviews have led to nearly complete resolution of the phylogenetic divisions within the old world rats and mice (Muridae, Murinae). The Micromys division and Pithecheir division are two notable exceptions where groupings of species into these divisions based on morphology and arboreal lifestyle have not been supported by phylogenetic evidence. Several enigmatic species from these divisions have been missing from molecular studies, preventing a rigorous revision of phylogenetic relationships. In this study, we sequenced for the first time one mitochondrial and three nuclear genes from South-East Asian keystone species of these two arboreal divisions: Hapalomys delacouri (Micromys division), Lenothrix canus and Pithecheir parvus (Pithecheir division). We also complemented the molecular data already available for the two divisions with new data from Sundaic Chiropodomys, Indian Vandeleuria oleracea and the recently described Sulawesian Margaretamys christinae. Using this new phylogenetic framework and molecular dating methodologies, our study allows some more detailed classification of the former Micromys and Pithecheir divisions, while confirming their polyphyletic status. Specifically, the former Micromys division should now be split into four monotypic divisions: Chiropodomys, Hapalomys, Micromys and Vandeleuria divisions. The former Pithecheir division is likely to be refined and restricted to Pithecheir and probably Pithecheirops, whereas Lenothrix and Margaretamys should now be recognized as representatives of the Dacnomys division. Our findings have profound implications with regard to the systematics of Murinae, as well as to the early evolution of murine morphology and dental characters. (Résumé d'auteur)

Mots-clés Agrovoc : Rodentia, Rat, Souris, Phylogénie, Taxonomie, Séquence d'ADN, Carte génétique, Génétique moléculaire, Génétique mitochondriale, Marqueur génétique, Conformation animale, Dent

Mots-clés géographiques Agrovoc : Asie du Sud-Est

Mots-clés complémentaires : Lenothrix canus, Pithecheir parvus, Margaretamys, Hapalomys delacouri, Chiropodomys, Vandeleuria oleracea, Séquencage

Classification Agris : L60 - Animal taxonomy and geography
L10 - Animal genetics and breeding

Champ stratégique Cirad : Axe 6 (2014-2018) - Sociétés, natures et territoires

Auteurs et affiliations

  • Pagès Marie, Université de Liège (BEL)
  • Fabre Pierre-Henri, Smithsonian Institution (USA)
  • Chaval Yannick, INRA (FRA)
  • Mortelliti Alessio, University of Southern in Maine (USA)
  • Nicolas Violaine, CNRS (FRA)
  • Wells Konstans, Griffith University (AUS)
  • Michaux Johan, CIRAD-ES-UPR AGIRs (FRA)
  • Lazzari Vincent, CNRS (FRA)

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