›› 2010, Vol. 37 ›› Issue (4): 150-152.

• 遗传繁育 • 上一篇    下一篇

天府肉羊FSH β基因SNPs及其与产羔数的关联分析

杜林1,徐刚毅1, 韦宏伟1, 汪代华1,2,李韵1,程婷婷1,倪敏2   

  1. (1.四川农业大学动物科技学院, 雅安 625014; 2.四川省绵阳市畜牧兽医局, 绵阳 621600)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-04-20 发布日期:2010-04-20
  • 通讯作者: 徐刚毅

Study on SNPs of the FSHβ Gene and its Association with Litter Sizes of Tianfu Goat

DU Lin1,XU Gang-yi1,WEI Hong-wei1,WANG Dai-hua1,2,LI Yun1, CHENG Ting-ting1, NI Min2   

  1. (1.College of Animal Science and Technology, Sichuan Agricultural University, Ya’an 625014,China;2. Mianyang Husbandry and Veterinary Bureau of Sichuan Province, Mianyang 621600,China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2010-04-20 Published:2010-04-20
  • Contact: XU Gang-yi

摘要: 本试验选取334只天府肉羊、波尔山羊和成都麻羊为试验材料,对山羊FSH β基因进行了PCR扩增,采用PCR-SSCP和SNP技术分析了该基因在山羊中的多态性。结果表明,试验羊FSH β基因5′调控区存在第712位A→G突变,形成了AA、AB和BB 3种基因型。适合性检验和最小二乘分析结果显示,山羊FSH β基因不同基因型的平均窝产羔数存在显著差异;天府肉羊和成都麻羊的FSH β多态位点处于Hardy-Weinberg平衡状态(P>0.05),波尔山羊极显著偏离了Hardy-Weinberg平衡(P<0.01)。由此推测,FSH β基因可能对于山羊繁殖性能具有较大影响或与控制繁殖性能的主基因连锁,可以尝试将其作为一个重要的分子标记用于山羊的育种实践。

关键词: 天府肉羊; FSHβ基因; 单核苷酸多态性; 产羔数

Abstract: In this study,334 Tianfu goats, Boer and Chengdu Ma goats were used to analyze Pβ gene polymorphism by PCR-SSCP. Results indicated that there was one mutation site in the 5′regulatory region of FSHβ gene among three types of the goat, that was nucleobase A in place of nucleobase G in 712 site. The Chi-square test for goodness of fit showed that the frequencies of the Pβ genotypes in the population of Tianfu goats and Chengdu Ma goats agreed with Hardy-Weinberg equilibrium (P>0.05),while the Boer goat significantly deviated it (P<0.01). The results indicated that the mutation in the 5′regulatory region significantly affected the litter sizes of goat, therefore, it could be preliminarily deduced that FSHβ gene was probably a major gene or a QTL linked gene which associated with reproduction traits in goat.

Key words: Tianfu goat; follicle stimulating hormone β gene; SNPs; litter sizes

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