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丹系长白种猪“二胎综合征”全基因组关联分析研究初报

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摘要 全基因组关联分析(Genome-Wide Association Studies,GWAS)技术已广泛应用于筛选动物某特定性状SNP分子标记。本研究将503头丹系长白后备种猪全基因组测序结果与胸围、尻长和外阴长宽等体尺性状进行了关联分析,探讨与猪“二胎综合征”紧密相关的SNP。关联结果显示,关联到1个与胸围性状显著相关的SNP,2个与尻长性状显著相关的SNP,与这3个SNP相邻的6个基因中,3个基因(NPBWR1、BRINP3和SPACA3)已具有功能注释,另外3个基因(ST18、ENSSSCG00000010811和ENSSSCG00000030066)暂无基因功能注释,没有关联到与外阴尺寸性状显著相关的SNP。本研究结果可为后续开展无“二胎综合征”种猪选育奠定一定的工作基础。
出处 《中国畜牧杂志》 CAS 北大核心 2022年第8期189-192,共4页 Chinese Journal of Animal Science
基金 天津市种业2019重大专项(19ZXZYSN00110) 天津市种业2019重大专项(19ZXZYSN00100) 抗病高繁殖力种猪新品系选育研究。
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