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肌肉生长抑制素基因外显子3的多态性及其与边鸡繁殖性状的关联分析 被引量:6

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摘要 本研究采用PCR-SSCP技术检测边鸡肌肉生长抑制素(myostatin,MSTN)基因外显子3的单核苷酸多态性,并与边鸡的繁殖性状进行关联分析。结果表明:在外显子3检测到3个突变(C7 552T,C7 638T,T7 661A)。对于MYOE3-2引物,FG基因型的开产日龄极显著的早于FF基因型(P<0.01),FG基因型的300日龄产蛋数极显著高于FF基因型(P<0.01)。对于MYOE3-3引物,HI基因型的开产日龄显著早于HH基因型(P<0.05)。HI基因型的300日龄产蛋数极显著高于HH基因型(P<0.01)。3个SNPs位点共形成4种单倍型组合,单倍型组合分析表明,h1h4型的开产日龄显著早于h1h1型(P<0.05),h1h4型的产蛋数显著高于h1h1型(P<0.05)。研究结果提示,MSTN基因可能是影响边鸡繁殖性状的一个主效基因或是与之存在紧密遗传连锁的一个标记。
出处 《中国畜牧杂志》 CAS 北大核心 2012年第1期9-11,共3页 Chinese Journal of Animal Science
基金 国家肉鸡产业技术体系(nycytx-42-G1-05) 山西省科技攻关(20100311041) 山西省自然基金(2009011043-2)
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参考文献9

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