中国比较医学杂志
中國比較醫學雜誌
중국비교의학잡지
CHINESE JOURNAL OF COMPARATIVE MEDICINE
2014年
4期
13-18
,共6页
刘月环%王志远%杜江涛%余强%余陈欢%吴旧生%应华忠
劉月環%王誌遠%杜江濤%餘彊%餘陳歡%吳舊生%應華忠
류월배%왕지원%두강도%여강%여진환%오구생%응화충
长爪沙鼠%高脂血症%ApoE基因%SNPs%遗传多态性
長爪沙鼠%高脂血癥%ApoE基因%SNPs%遺傳多態性
장조사서%고지혈증%ApoE기인%SNPs%유전다태성
Mongolian gerbil%Hyperlipidemia%apolipoprotein E (ApoE) gene%Single nucleotide polymorphisms (SNPs)
目的:评价ApoE基因在Z:ZCLA长爪沙鼠封闭群中的遗传多样性。方法利用PCR-SSCP技术对前期已筛选到的三个SNP ( single nucleotide polymorphism )位点在普通环境和生物净化后、屏障环境饲养的两个封闭群共444只动物中进行了ApoE等位基因的基因频率,基因型频率,杂合度、多态信息量等参数进行了检测与计算。结果检测结果表明97、781和1774三个SNP位点平均等位基因为2个,遗传方式基本符合孟德尔定律;期望杂合度分别是0.063、0.501、0.499,全群平均为0.354;PIC分别是0.061、0375、0.374,全群平均0.270。结论ApoE基因频率和基因型分布可能与长爪沙鼠的长期封闭和选种方式造成一定程度的遗传漂变相关。
目的:評價ApoE基因在Z:ZCLA長爪沙鼠封閉群中的遺傳多樣性。方法利用PCR-SSCP技術對前期已篩選到的三箇SNP ( single nucleotide polymorphism )位點在普通環境和生物淨化後、屏障環境飼養的兩箇封閉群共444隻動物中進行瞭ApoE等位基因的基因頻率,基因型頻率,雜閤度、多態信息量等參數進行瞭檢測與計算。結果檢測結果錶明97、781和1774三箇SNP位點平均等位基因為2箇,遺傳方式基本符閤孟德爾定律;期望雜閤度分彆是0.063、0.501、0.499,全群平均為0.354;PIC分彆是0.061、0375、0.374,全群平均0.270。結論ApoE基因頻率和基因型分佈可能與長爪沙鼠的長期封閉和選種方式造成一定程度的遺傳漂變相關。
목적:평개ApoE기인재Z:ZCLA장조사서봉폐군중적유전다양성。방법이용PCR-SSCP기술대전기이사선도적삼개SNP ( single nucleotide polymorphism )위점재보통배경화생물정화후、병장배경사양적량개봉폐군공444지동물중진행료ApoE등위기인적기인빈솔,기인형빈솔,잡합도、다태신식량등삼수진행료검측여계산。결과검측결과표명97、781화1774삼개SNP위점평균등위기인위2개,유전방식기본부합맹덕이정률;기망잡합도분별시0.063、0.501、0.499,전군평균위0.354;PIC분별시0.061、0375、0.374,전군평균0.270。결론ApoE기인빈솔화기인형분포가능여장조사서적장기봉폐화선충방식조성일정정도적유전표변상관。
Objective To evaluate the genetic diversity of ApoE gene in Z:ZCLA gerbil closed colony .Methods PCR-SSCP technique was employed to calculate the gene frequency , genotype frequency , heterozygosity , polymorphism information content of three SNPs of ApoE gene , which were reported in our previous work , in a total of 444 ordinary and clean Mongolian gerbils .Results The average allele of 3 SNP site 97, 981 and 1774 was 2.The inheritance pattern was in accordance with Mendel′s law.Expected heterozygosities were 0.063, 0.501, and 0.499, and the average expected heterozygosity of whole group was 0.354.PIC were 0.061, 0375, and 0.374, with an average PIC of 0.270.Conclusion The ApoE gene frequency and genotype distribution in Mongolian gerbils may be to a certain degree associated with the genetic drift caused by long-term closed and selected breeding .