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Genetic Differentiation among Populations of the Kurokashiwa Breed of Indigenous Japanese Chickens Assessed by Microsatellite DNA Polymorphisms

The Kurokashiwa breed of native Japanese chickens is primarily reared in Shimane and Yamaguchi Prefectures, Japan. To reveal the genetic diversity and differentiation among the Kurokashiwa populations in both prefectures, 29 microsatellites were analyzed. To prepare the microsatellites, 54, 55, and... Full description

Journal Title: The Journal of Poultry Science 2014, Vol.52
Main Author: Oka, Takao
Other Authors: Ito, Naoya , Sekiya, Masao , Kinoshita, Keiji , Kawakami, Shin-Ichi , Bungo, Takashi , Tsudzuki, Masaoki
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1346-7395 ; DOI: 10.2141/jpsa.0140063
Link: https://jlc.jst.go.jp/DN/JALC/91000118239?from=PrimoCentral
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recordid: jstageDN/JALC/91000118239
title: Genetic Differentiation among Populations of the Kurokashiwa Breed of Indigenous Japanese Chickens Assessed by Microsatellite DNA Polymorphisms
format: Article
creator:
  • Oka, Takao
  • Ito, Naoya
  • Sekiya, Masao
  • Kinoshita, Keiji
  • Kawakami, Shin-Ichi
  • Bungo, Takashi
  • Tsudzuki, Masaoki
subjects:
  • Conservation Genetics
  • Genetic Differentiation
  • Genetic Diversity
  • Kurokashiwa Breed
  • Microsatellite
  • Native Japanese Chickens
ispartof: The Journal of Poultry Science, 2014, Vol.52
description: The Kurokashiwa breed of native Japanese chickens is primarily reared in Shimane and Yamaguchi Prefectures, Japan. To reveal the genetic diversity and differentiation among the Kurokashiwa populations in both prefectures, 29 microsatellites were analyzed. To prepare the microsatellites, 54, 55, and 24 blood samples were collected from the Kurokashiwa populations of five fancy breeders in Shimane Prefecture, three fancy breeders in Yamaguchi Prefecture, and the Livestock Technology Research Department, Yamaguchi Prefectural Agriculture and Forestry General Technology Center (LTRDY), respectively. The corrected number of alleles (allelic richness: AR) was considerably low (1.63-2.48) through all Shimane and Yamaguchi populations. However, inbreeding coefficient (FIS) values were not significant in the entire Shimane and Yamaguchi ornamental populations as well as the LTRDY population. In addition, there was no statistically significant difference in expected heterozygosity (HE) through all populations in Shimane and Yamaguchi Prefectures, although the HE varied from 0.237 to 0.445 depending on populations. The topology of the phylogenetic tree, pairwise FST values, and STRUCTURE analysis indicated that Kurokashiwa populations were genetically separated between Shimane and Yamaguchi Prefectures. On the other hand, there was no genetic differentiation among ornamental populations within each prefecture, which seemed to have resulted from adequate random matings by exchanging individuals among fancy breeders within each conservation community, along with a proper random mating within LTRDY. The present study proposes a conservation strategy suggesting that the Kurokashiwa populations of Shimane and Yamaguchi Prefectures should be maintained separately with continuous exchange of birds within each conservation community to preserve genetic diversity. Also, the LTRDY population should be independently kept by avoiding matings with ornamental bird populations because it is a well established closed colony with a uniform genetic constitution.
language: eng
source:
identifier: ISSN: 1346-7395 ; DOI: 10.2141/jpsa.0140063
fulltext: fulltext
issn:
  • 1346-7395
  • 13467395
url: Link


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titleGenetic Differentiation among Populations of the Kurokashiwa Breed of Indigenous Japanese Chickens Assessed by Microsatellite DNA Polymorphisms
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identifierISSN: 1346-7395 ; DOI: 10.2141/jpsa.0140063
subjectConservation Genetics ; Genetic Differentiation ; Genetic Diversity ; Kurokashiwa Breed ; Microsatellite ; Native Japanese Chickens
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atitleGenetic Differentiation among Populations of the Kurokashiwa Breed of Indigenous Japanese Chickens Assessed by Microsatellite DNA Polymorphisms
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