The origin and phylogenetic relationships of Microtus bavaricus based on karyotype and mitochondrial DNA sequences

Natalia Martinkova, Jan Zima, Maarit Jaarola, Milos Macholan, Friederike Spitzenberger

Research output: Contribution to journalArticlepeer-review

Abstract

Geographic isolation of small populations in refugia during late Pleistocene glaciations resulted in population differentiation that in some cases lead to speciation. We report the karyotype of Microtus bavaricus, an evolutionary young and threatened rodent endemic to the Alps. Our results show that the karyotype of M. bavaricus is almost identical to that of M. liechtensteini (2N = 46, NF = 54). A close relationship between the two species was also supported by phylogenetic analysis of complete mitochondrial DNA sequences for the cytochrome b gene. The cytochrome b divergence between Microtus bavaricus and M. liechtensteini was 1.7 %, the lowest estimate observed among the 14 currently recognised species of Eurasian pine voles (subgenus Terricola).
Original languageEnglish
Pages (from-to)39-49
JournalFolia Zoologica
Volume56
Issue number1
Publication statusPublished - 2007

Bibliographical note

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Department of Cell and Organism Biology (Closed 2011.) (011002100)

Subject classification (UKÄ)

  • Biological Sciences

Free keywords

  • glaciation
  • Terricola
  • molecular divergence

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