Reference : Genetic variation and evolution in the genus Apodemus (Muridae : Rodentia)
Scientific journals : Article
Life sciences : Zoology
Genetic variation and evolution in the genus Apodemus (Muridae : Rodentia)
Filippucci, M. G. [> > > >]
Macholan, M. [> > > >]
Michaux, Johan mailto [Université de Liège - ULiège > Département des sciences de la vie > Génétique >]
Biological Journal of the Linnean Society
Blackwell Publishing
Yes (verified by ORBi)
United Kingdom
[en] Genetic variation was studied using protein electrophoresis of 28-38 gene loci in 1347 specimens of Apodemus agrarius, A. peninsulac, A. flavicollis, A. sylvaticus, A. alpicola, A. uralensis, A. cf. hyrcanicus, A. hermonensis, A. m. mystacinus and A. in. epimelas, representing 121 populations from Europe, the Middle East, and North Africa. Mean values of heterozygosity per locus for each species ranged from 0.02 to 0.04. Mean values of Nei's genetic distance (D) between the taxa ranged from 0.06 (between A. flavicollis and A. alpicola) to 1.34 (between A. uralensis and A. agrarius). The highest values of D were found between A. agrarius and other Apodemus species (0.62-1.34). These values correspond to those generally observed between genera in small mammals. Our data show that A. agrarius and A. peninsulae are sister species, well-differentiated from other taxa. High genetic distance between A. m. mystacinus and A. m. epimelas leads us to consider them distinct species and sister taxa to other Western Palaearctic species of the subgenus Sylvaemus. The data also suggest a recent separation of members of the latter group from a common ancestor, and subsequent rapid radiation, making it difficult to infer phylogenetic relationships. Some taxonomic implications of the results are discussed further. (C) 2002 The Linnean Society of London.

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