Banded karyotypes of mole rats (Spalax, Spalacidae, Rodentia) from Turkey: A comparative analysis

E. Ivanitskaya, Y. Coskun, E. Nevo

Research output: Contribution to journalArticlepeer-review


Chromosome banding (G-, C- and Ag-NOR) analysis was carried out on 27 specimens of Sphalax ehrenbergi from seven localities and two specimens of S. leucodon from one locality, all from Turkey. No chromosomal variation was detected in S. ehrenbergi populations from Elazig, Siverek, Diyarbakir and Birecik having the same diploid numbers (2n = 52) and morphology of chromosomes (NFa = 72). The karyotypes of mole rats from Tarsus and Gaziantep possessed the identical diploid number (2n = 56) but different numbers of autosomal arms: NFa = 68 in the Tarsus and NFa = 78 in the Gaziantep populations. Chromosomes of S. leucodon from Malatya (2n = 60, NFa = 74) differed distinctly in the C-banding pattern from all S. ehrenbergi cytotypes by the almost entire absence of heterochromatin in acrocentric autosomes and the presence of heterochromatin arms in subtelocentric autosomes. Nucleolar organizing regions were found mainly on three pairs of chromosomes, but some differences in their localization were revealed. Comparison of G-banded chromosomes showed, that most chromosomes have a similar pattern. The types of chromosomal rearrangements were revealed due to the banding methods.

Original languageEnglish
Pages (from-to)171-177
Number of pages7
JournalJournal of Zoological Systematics and Evolutionary Research
Issue number4
StatePublished - Dec 1997


  • Chromosomal speciation
  • Spalax ehrenbergi
  • Spalax leucodon
  • Turkey

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology
  • Molecular Biology
  • Genetics


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