<b>Distribution of polymorphisms on avian uncoupling protein gene of Asian native fowl and commercial chick</b><b>en </b>

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  • MURATA Shujiro
    United Graduate School of Agriculture, Kagoshima University, Kagoshima, Japan
  • KAWABE Kotaro
    Natural Science Centre for Research and Education, Kagoshima University, Kagoshima, Japan
  • TAURA Satoru
    Natural Science Centre for Research and Education, Kagoshima University, Kagoshima, Japan
  • SHIMOGIRI Takeshi
    Faculty of Agriculture, Kagoshima University, Kagoshima, Japan
  • KAWAMOTO Yasuhiro
    Faculty of Agriculture, University of the Ryukyus, Japan
  • OKAMOTO Shin
    Faculty of Agriculture, Kagoshima University, Kagoshima, Japan

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Other Title
  • アジア在来鶏および改良鶏における脱共役タンパク質遺伝子変異の分布
  • アジア ザイライ ケイ オヨビ カイリョウ ケイ ニ オケル ダツキョウヤク タンパクシツ イデンシ ヘンイ ノ ブンプ

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Abstract

The purpose of improvement for meat-type chicken is mainly in weight gain and meat quality. However, excessive fat deposition in abdomen is a problem in strains of chickens that was improved mainly in meat production. Avian uncoupling protein (UCP3) is thought to have a role of thermogenesis, and may affect to lipid metabolism. The aim of this study was to clarify the distribution of SNPs g.1270C>T (p.188Ala>Val) and g.1316T>C (Silent) and/or their diplotypes in exon 3 of UCP3 among 11 Asian native fowl populations and 4 commercial breeds. Genotyping was performed by PCR-restriction length polymorphisms method, and 7 diplotypes were detected. Haplotype frequencies were 0.66 (CT), 0.27 (CC), 0.02 (TT) and 0.05 (TC), respectively, in the entire investigated population. The haplotype frequencies, that is consisted of g.1270C>T and g.1316T>C, tend to have much difference by each haplotypes. However, all the haplotypes were remained in both of native fowl and improved chicken. From the results of present study, there is a possible to use the SNP in UCP3 for improvement of meat-type chicken.

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