Intrageneric Phylogeny ofAcomys(Rodentia, Muridae) Using Mitochondrial Gene Cytochromeb |
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| Authors: | Pierre-Olivier Barome Monique Monnerot Jean-Claude Gautun |
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| Institution: | aCentre de Génétique Moléculaire, CNRS, 91198, Gif-sur-Yvette Cedex, France;bLaboratoire Mammifères et Oiseaux, MNHN, 55, rue Buffon, 75005, Paris, France;cCentre ORSTOM de Niamey, BP 11416, Niamey, Niger |
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| Abstract: | This paper investigates interspecies relationships within the genusAcomys(spiny mice) by analyzing entire mitochondrial cytochromebgene (1141 bp). This gene provides strong phylogenetic signal, as shown by high support of the topology obtained (bootstrap value and RNA support number). The phylogeny is congruent with inferences from allozymes for the species considered. Controversial taxonomy ofAcomys cahirinus, dimidiatus, airensis,andignitusis clarified, with their specific ranks confirmed on the basis of tree topology and nucleotide distances. Phylogenetic relationship between the undescribed speciesAcomyssp. from west Africa andA. airensisargue in favor of two distinct colonization events in this zone. |
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