目的 :利用3130遗传基因测序仪的电泳图谱分析江苏人群D21S11、D6S1043、Penta E、PGA、D2S1338、D11S51、D19S433、D12S391、CSF1PO、D3S1358、Penta D、VWA、D13S317、THO1、TPOX、D8S1179、D16S539、D5S818、D7S820 19个STR基因座多态性分布,并计算该19个基因座的基因频率、个体鉴别能力、无偏倚期望杂合度、多态性信息总量和非父排除率。方法:利用PCR扩增,产物通过3130测序仪毛细管电泳。读出数据后用分析软件进行分析。结果:19个STR位点中Penta E的个体鉴别能力值和非父排除率值最高,19个STR位点的累积非父排除率达0.9999以上。结论:通过大量的样本实验和等位基因频率的统计,得出了更加客观的等位基因多态性数据,为江苏地区亲权鉴定的判定提供更加客观的依据。
Objective:To analyze the polymorphism distributions of 19 STR loci including D21S11,D6S1043,Penta E,PGA,D2S1338,D11S51,D19S433,D12S391,CSF1PO,D3S1358,Penta D,VWA,D13S317,THO1,TPOX,D8S1179,D16S539,D5S818 and D7S820 in Jiangsu population,and calculate their gene frequency(P),power of discrimination(DP),unbiased expected heterozygosity(H),polymorphism information content(PIC),and probability of paternity exclusion(PE).Methods:Capillary electrophoresis was detected using PCR via 3130 sequencing.Analysis software was used to analyze data.Results:The DP value and PE value of Penta E were the highest in the 19 STR sites.The cumulate PE of the 19 STR loci was above 0.9999.Conclusion:Objective allelic polymorphism data were obtained from a large number of sample experiments and allele frequency,which provide an objective basis for identification in disputed paternity of Jiangsu area.