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- Title
Mitochondrial Evidence of Refugial Distribution of the Pygmy Field Mouse <italic>Sylvaemus uralensis</italic> Pall. (Rodentia, Muridae) in the Northwestern Caucasus.
- Authors
Grigoryeva, O. O.; Stakheev, V. V.; Orlov, V. N.
- Abstract
Variation of the 838-bp fragment of the mitochondrial <italic>cytb</italic> gene was analyzed in <italic>Sylvaemus uralensis</italic> from the northern macroslope of the Western Caucasus. On the basis of two fixed nonsynonymous substitutions, <italic>cytb</italic> sequences of the population sample studied can be considered as a distinct Lago-Naki haplogroup, which is clustered in the European <italic>cytb</italic> lineage. As estimated on the basis of the known rate of substitutions per third codon position in <italic>S. sylvaticus</italic>, the population must have been isolated for all or a part of the last glaciation period (10000 to 100000 years ago). The observed differentiation of <italic>cytb</italic> haplotypes is indicative of the refugial distribution of <italic>S. uralensis</italic> in the northern macroslope of the Western Caucasus, as well as of a secondary contact between the Caucasian and the Russian Plain populations during the Holocene.
- Subjects
MITOCHONDRIAL pathology; APODEMUS; MURIDAE; YELLOW-necked mouse; GENES
- Publication
Russian Journal of Genetics, 2018, Vol 54, Issue 3, p314
- ISSN
1022-7954
- Publication type
Article
- DOI
10.1134/S1022795418030055