%0 Journal Article
%T Genetic diversity and genetic effects of Myf6 gene in chickens<br>鸡Myf6基因遗传多态性及其遗传效应研究
%A SUN Wen-Hao
%A ZHU Qing
%A JIANG Xiao-Song
%A DU Hua-Rui
%A <br>孙文浩
%A 朱庆
%A 蒋小松
%A 杜华锐
%J 遗传
%D 2008
%I 
%X The population genetic information about genetic distribution, variation and heterozygosity of Myf6 gene in five purelines and three crossbreds of chicken was analyzed using PCR-SSCP. And the genetic effects of Myf6 gene on fiber density and partial carcass traits were investigated. Only one mutation G/A at base position 47 of the whole CDS was found among individuals in each line. The distribution of Myf6 genotype strayed off the Hardy-Weinberg equilibrium and the heterozygosity was low in two purelines but not in three crossbreds. The wild-type allele A had significant positive effects on live-weight, carcass-weight, breast-muscle-weight and leg-muscle-weight (P<0.05), but had negative effects on most of meat quality traits. The A allele had additive effects of increasing 45.54 g of the live-weight, 41.03 g of the carcass-weight, 6 g of the breast-muscle-weight, 9.775 g of the leg-muscle-weight. The A allele had dominant effects of increasing 1.025 mm of the diameter of muscle fiber, -29.99 mm2 of the density of muscle fiber.
%K 鸡
%K Myf6基因
%K 遗传结构
%K 产肉量
%K 肌肉嫩度
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=3E23F50E071DF18E21B2F5AEE4F1FA5E&aid=401E97CDFE8EA89F5E0047572E3F0EF0&yid=67289AFF6305E306&vid=340AC2BF8E7AB4FD&iid=CA4FD0336C81A37A&sid=4F2F18DD6F870C2C&eid=228A710F49B6CE58&journal_id=0253-9772&journal_name=遗传&referenced_num=0&reference_num=14