Is the Center of Origin of Long-tailed Hamster Cricetulus longicaudatus Milne-Edwards 1867 (Rodentia, Cricetidae) Located in Tibet?

First data on morphological and mitochondrial variation in the long-tailed hamster Cricetulus longicaudatus is presented. In contrast to genetically monomorphic populations of Mongolia and Tuva, the northeastern part of the Qinghai–Tibetian Plateau was found to harbor several divergent mtDNA lineage...

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Published inDoklady. Biological sciences Vol. 479; no. 1; pp. 70 - 73
Main Authors Poplavskaya, N. S., Bannikova, A. A., Fang, Y., Sheftel, B. I., Ushakova, M. V., Surov, A. V., Lebedev, V. S.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.03.2018
Springer Nature B.V
Subjects
Biomedical and Life Sciences
Cricetulus longicaudatus
Evolutionary Biology
General Biology
Life Sciences
Mitochondria
Mitochondrial DNA
Morphology
Plant Sciences
Population genetics
Tibet
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Summary:First data on morphological and mitochondrial variation in the long-tailed hamster Cricetulus longicaudatus is presented. In contrast to genetically monomorphic populations of Mongolia and Tuva, the northeastern part of the Qinghai–Tibetian Plateau was found to harbor several divergent mtDNA lineages. This pattern suggests a recent expansion of the long-tailed hamster to the northern part of its recent range, which started from Tibet, presumably, in the late Middle Pleistocene. Several populations from the northern edge of the species range were found to be morphologically but not genetically distinct. The apparent disagreement between genetic and morphological data can be explained by rapid morphological evolution in peripheral isolates.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0012-4966
1608-3105
DOI:10.1134/S0012496618020102