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家兔MyoD1基因多态性与生长和屠宰性能的相关性 被引量:4

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摘要 采用DNA直接测序法筛选生肌决定基因(MyoD1)5'-UTR及编码区的遗传多态性,采用高分辨率溶解曲线分型技术(HRM)对候选单核苷酸多态性位点(SNP)进行基因分型,并分析其与生长和屠宰性能的相关性(n=190)。结果显示:仅在外显子4上发现一个同义突变SNP(c.783 G>A)。等位基因A和G在3品种中的平均频率为0.216和0.784,基因型GG、GA和AA的平均频率分别为0.674、0.221和0.105。相关性分析表明,无论公母兔,其AA基因型个体的全净膛重和半净膛重都显著高于GA基因型个体(P<0.05),而该SNP位点与生长性状间无显著相关。研究结果支持MyoD1基因可作为家兔屠宰性能的候选基因。
出处 《畜牧与兽医》 北大核心 2013年第6期32-35,共4页 Animal Husbandry & Veterinary Medicine
基金 国家现代农业技术体系项目(CARS-44-A-2) 四川省"十二五"科技支撑项目(2011NZ0099-4)
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参考文献18

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