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11个猪群体BPI基因第10外显子HpaⅡ遗传变异分析 被引量:5

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摘要 本研究旨在对猪杀菌性/通透性增加蛋白(BPI)基因的多态性进行系统分析,为今后探讨猪BPI基因与疾病抗性的关系提供理论依据。采用PCR-RFLP方法对野猪和国内外10个猪品种BPI基因第10外显子HpaⅡ遗传变异进行检测及序列分析。结果表明:11个猪品种中共检测到AA、BB和AB 3种基因型,2个等位基因,其中野猪、藏猪、荣昌猪和淮猪群体中AA基因型为优势基因型,A等位基因为优势等位基因;外来商业化猪品种中,杜洛克群体AA基因型频率较高。序列分析表明AA基因型与GenBank中的序列一致,BB基因型存在A27G同义突变位点和T118G错义突变位点。基于BPI基因的等位基因频率构建11个猪群体的系统发生树,第1类群包括野猪、淮猪、藏猪、荣昌猪、杜洛克;第2类包括约克夏、长白猪、枫泾猪、梅山猪、二花脸、苏太猪。本研究结果显示,猪群体间基于BPI基因多态性上存在的差异与体型、生产类型及地理分布等因素没有显著的联系。
出处 《中国畜牧杂志》 CAS 北大核心 2011年第23期14-17,共4页 Chinese Journal of Animal Science
基金 国家转基因生物新品种培育科技重大专项(2009ZX08006-004B) 江苏省科技支撑计划(农业)(CE20102006 BE2009330-2) 苏州市科技支撑计划(SN201013) 常州市科技攻关项目(CE20092004 CE20102006)
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