Isolation and characterization of 45 polymorphic microsatellites from the bovine genome

  • R. Z. Ma
  • , I. Russ
  • , C. Park
  • , D. W. Heyen
  • , J. E. Beever
  • , C. A. Green
  • , H. A. Lewin

Research output: Contribution to journalArticlepeer-review

Abstract

A small-insert bovine genomic library was constructed in pBluescript II SK(+) and enriched for microsatellites by selective rescue of single-stranded pBluescript DNA carrying (CA)n/(TG)n tandem repeats. Approximately 50% of the clones in the enriched library contained (CA)n repeats or CA-rich sequences. Sequencing of clones selected for (CA)n repeats resulted in the identification and characterization of 45 (CA)n polymorphic microsatellites. Genotyping in 9 large paternal half-sib families indicated that 40 of these microsatellite markers exhibit autosomal Mendelian inheritance. The numbers of alleles range from 2 to 18, with an average of 6·3 per locus. The polymorphic microsatellite markers we have identified and characterized will contribute to the construction of a high-resolution linkage map of bovine genome.

Original languageEnglish (US)
Pages (from-to)43-47
Number of pages5
JournalAnimal genetics
Volume27
Issue number1
DOIs
StatePublished - Feb 1996

Keywords

  • Bovine gene mapping
  • Microsatellites
  • Polymorphism

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Genetics

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