Myosin-heavy-chain DNA polymorphisms of subterranean mole rats of the Spalax ehrenbergi superspecies in Israel

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Abstract

Restriction-fragment-length polymorphisms (RFLPs) of the sarcomeric- myosin heavy chain multigene family were studied in 13 populations of 4 chromosomal species (2n = 52, 54, 58 and 60) of the mole rat Spalar ehrenbergi superspecies in Israel. A minimum number of 6 hybridizing fragments occurred in the mole rat, corresponding to a minimum of 6, probably even 8, different loci of the sarcomeric myosin heavy chain. The level of polymorphism was≈ 31%, with a low number of alleles in the polymorphic loci. All of the populations, including a desert isolate, were polymorphic at some level. Among- sample fragment variation was adequate to differentiate between some of the chromosomal species, and confirms earlier evidence that gene flow between the chromosomal species is limited.
Original languageEnglish
Article number211
Pages (from-to)211-227
Number of pages17
JournalGenetics Selection Evolution
Volume25
Issue number3
DOIs
StatePublished - Jun 1993

Keywords

  • Full Article

ASJC Scopus subject areas

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

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