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Cytochrome-b haplotypes suggest an undescribed Peromyscus species from the Yukon

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Peromyscus maniculatus (Wagner, 1845) and Peromyscus keeni Merriam, 1897 are two species of deer mouse currently recognized in the Yukon. Phylogenetic analyses (Kimura two-parameter and maximum parsimony) of cytochrome-b sequences (560 base pairs) from deer mouse specimens (n = 4) collected near Haines Junction, Yukon, resulted in a monophyletic clade genetically distant from the two currently recognized species. We suggest that the Haines Junction specimens may represent a previously undescribed peromyscine species. Peromyscus arcticus is an available name.

Peromyscus maniculatus (Wagner, 1845) et Peromyscus keeni Merriam, 1897 sont deux espèces de souris à pattes blanches actuellement reconnues au Yukon. Des analyses phylogénétiques (distance à deux paramètres de Kimura et parcimonie maximale) des séquences du cytochrome-b de spécimens (n= 4) de souris à pattes blanches récoltés près de Haines Junction, Yukon, on révélé l’existence d’un clade monophylétique à distance génétique égale des deux espèces actuellement reconnues. Nous croyons que les spécimens de Haines Junction représentent peut-être une espèce encore inédite de péromyscinés. Peromyscus arcticus est un nom disponsible pour cett espèce.

Document Type: Research Article

Publication date: August 1, 2007

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  • Published since 1929, this monthly journal reports on primary research contributed by respected international scientists in the broad field of zoology, including behaviour, biochemistry and physiology, developmental biology, ecology, genetics, morphology and ultrastructure, parasitology and pathology, and systematics and evolution. It also invites experts to submit review articles on topics of current interest.
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