研究用ウズラ集団間の遺伝的分化

DOI 日本農学文献記事索引 Web Site Web Site 被引用文献1件 参考文献13件

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タイトル別名
  • Genetic Differentiation among Laboratory Quail Populations.
  • ケンキュウヨウ ウズラ シュウダンカン ノ イデンテキ ブンカ

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To evaluate a degree of genetic differentiation among laboratory quail populations, 25 enzymes and proteins encoded by 34 presumed loci were examined by starch or agar gel electrophoresis. Five laboratory quail populations maintained in Japan and one Canadian laboratory population were investigated in this survey. Data of gene frequencies in three wild and five Japanese laboratory quail populations (KIMURA & FuJII, 1989), four Canadian laboratory quail populations (KIMURA et al., 1990: CHENG et al., 1992) and two foreign commercial quail populations (CHENG et al., 1992: SANG et al., 1994) were quoted for genetic analysis.<br>Mean of the proportion of polymorphic loci (Ppoly) and the average heterozygosity per individual (H) estimated for the six laboratory quail populations in this survey were 0.261 and 0.091, respectively. Those for the fifteen laboratory quail populations were 0.283 and 0.089, respectively. These values are lower than those for nine commercial quail populations reported by SANG et al. (1994).<br>The fixation index (FST) value of 0.123 was calculated for the six laboratory populations. It was 0.194 for fifteen laboratory populaions.<br>It is approximately 3.5 times higher than that estimated for the nine commercial populations.According to the results of the genetic distance and the principal component analysis, the twenty quail populations examined in the present survey could be classified into following three clusters: (1) wild quail populations, (2) laboratory quail populations and (3) the quail populations selected for heavy body weight.

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