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Genetic variability in East Asian dogs using microsatellite loci analysis.

K S Kim1, Y Tanabe, C K Park

  • 1Department of Genetic Engineering, College of Natural Sciences, Kyungpook National University, 1370 Sankyuk-dong, Puk-gu, Taegu 702-701, Korea.

The Journal of Heredity
|January 5, 2002
PubMed
Summary
This summary is machine-generated.

Genetic analysis of 11 East Asian native dog populations reveals significant subdivision. Korean native dogs show the highest diversity and group closely with Eskimo dogs, suggesting northern Far East Asian origins.

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Area of Science:

  • Canine genetics
  • Population genetics
  • Molecular ecology

Background:

  • East Asian native dog breeds possess unique genetic histories.
  • Understanding their genetic structure is crucial for conservation and evolutionary studies.

Purpose of the Study:

  • To investigate the genetic structure and variability of 11 East Asian native dog populations.
  • To determine the evolutionary relationships among these breeds.

Main Methods:

  • Analysis of eight microsatellite loci in 213 individual dogs.
  • Calculation of genetic diversity indices, F-statistics, and Nei's DA distance.
  • Construction of dendrograms (Neighbor-Joining, UPGMA) and principal component analysis.

Main Results:

  • Significant genetic subdivision was found across the 11 East Asian dog populations (global F(ST) = 0.154).
  • Korean native dogs exhibited the highest genetic diversity, while Shiba dogs had the lowest.
  • Korean native breeds clustered together and showed a close relationship with Eskimo dogs.

Conclusions:

  • East Asian native dogs are genetically subdivided.
  • Korean native dogs likely originated from populations in the northern Far East Asia.
  • The study provides insights into the evolutionary history and relationships of Asian dog breeds.