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Related Experiment Videos

Characterization of canine microsatellites

N G Holmes1, S J Humphreys, M M Binns

  • 1Department of Immunogenetics, Animal Health Trust, Newmarket, UK.

EXS
|January 1, 1993
PubMed
Summary

Researchers identified canine microsatellites, which are short, repeating DNA sequences. These DNA markers show variation among dogs, aiding in genetic studies.

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Area of Science:

  • Genetics
  • Molecular Biology
  • Canine Genomics

Background:

  • Microsatellites, or simple sequence repeats (SSRs), are valuable genetic markers.
  • Their presence and polymorphism in canine DNA are crucial for population genetics and breed identification.

Purpose of the Study:

  • To clone and characterize canine DNA segments containing (dC-dA)n.(dG-dT)n microsatellite repeats.
  • To develop and assess the utility of these microsatellites as genetic markers in dogs.

Main Methods:

  • Cloning of canine DNA into M13 phage vectors.
  • Screening for (dC-dA)n.(dG-dT)n repeats.
  • Synthesis of oligonucleotide primers flanking microsatellite loci.
  • Polymerase chain reaction (PCR) amplification of microsatellite loci from genomic DNA.

Related Experiment Videos

  • Estimation of microsatellite polymorphism in a cohort of unrelated dogs.

    • Main Results:

    • Successful cloning and identification of canine DNA containing specific microsatellite repeats.
    • Development of PCR-based assays for amplifying these microsatellite loci.
    • Demonstration of polymorphism for the characterized microsatellites in the studied dog population.

    Conclusions:

    • The identified (dC-dA)n.(dG-dT)n microsatellites are polymorphic in dogs.
    • These microsatellites serve as effective genetic markers for canine genetic research and diversity studies.