为了评估法医学DNA数据库建设中涉及的59个Y-STR基因座的遗传多态性和法医学应用效能,通过AGCU Y SUPP PLUS试剂盒和AGCU Y37试剂盒检测374个广东汉族无关男性个体,将检测出的59个Y-STR基因座按照突变率的高低进行分类组合和统计分析。...为了评估法医学DNA数据库建设中涉及的59个Y-STR基因座的遗传多态性和法医学应用效能,通过AGCU Y SUPP PLUS试剂盒和AGCU Y37试剂盒检测374个广东汉族无关男性个体,将检测出的59个Y-STR基因座按照突变率的高低进行分类组合和统计分析。结果显示,59个Y-STR基因座联合运用在374个无关男性个体中检出了374个单倍型,其中44个中低突变Y-STR组合、15个高快突变Y-STR组合分别检出373和372个单倍型。59个Y-STR的基因多态性数值分布在0.0551(DYS645)~0.9580(DYF387S1 a/b)之间。结果表明,这59个Y-STR在广东汉族群体中均具有良好的多态性,按中低突变Y-STR组合和高快突变Y-STR组合研发新的检测体系可更好地满足法医实践的不同需求。展开更多
Objective Y-Chromosomal short tandem repeat polymorphism(Y-STR)analysis plays an indispensable role in the identification of male individuals,population genetics,and biogeographic research.While profiles of many popul...Objective Y-Chromosomal short tandem repeat polymorphism(Y-STR)analysis plays an indispensable role in the identification of male individuals,population genetics,and biogeographic research.While profiles of many populations based on Y-STR markers in human genomes are ample,haplotype data for the Wuwei Han are still scarce.Methods In this study,2180 unrelated Wuwei Han male individuals residing in Gansu Province,China were collected and genotyped using the novel Microreader™40Y Plus ID system.Phylogenetic relationship reconstructions,multidimensional scaling(MDS),and heatmap analysis were performed based on the genetic distance(Rst)values between our studied population and other populations of the Ymax module in the Y-STR Haplotype Reference Database(YHRD).Results A total of 2129 unique haplotypes were obtained,and the haplotype diversity(HD)and discrimination capacity(DC)for the Wuwei Han were 0.9999 and 0.9931,respectively.Conclusion Our results demonstrate that the Wuwei Han population had intimate genetic relationships with East Asians,especially the geographically close Han populations.Overall,this Y-Chromosomal assay gives valuable information about paternal lineages in male individual tracking and genealogical database construction.展开更多
基金supported by grants from Guangdong Key Laboratory of Forensic Genetics(2010A060801001)Guangdong Scientific and Technological Project(2013B021500010)Applied-innovation Project of Ministry of Public Security(2011YYCXGDST076)~~
基金supported by grants from the Shaanxi Basic Research Program of Natural Science(No.2021JQ-392)the International Cooperation Project of Shaanxi Province(No.2021KW-47).
文摘Objective Y-Chromosomal short tandem repeat polymorphism(Y-STR)analysis plays an indispensable role in the identification of male individuals,population genetics,and biogeographic research.While profiles of many populations based on Y-STR markers in human genomes are ample,haplotype data for the Wuwei Han are still scarce.Methods In this study,2180 unrelated Wuwei Han male individuals residing in Gansu Province,China were collected and genotyped using the novel Microreader™40Y Plus ID system.Phylogenetic relationship reconstructions,multidimensional scaling(MDS),and heatmap analysis were performed based on the genetic distance(Rst)values between our studied population and other populations of the Ymax module in the Y-STR Haplotype Reference Database(YHRD).Results A total of 2129 unique haplotypes were obtained,and the haplotype diversity(HD)and discrimination capacity(DC)for the Wuwei Han were 0.9999 and 0.9931,respectively.Conclusion Our results demonstrate that the Wuwei Han population had intimate genetic relationships with East Asians,especially the geographically close Han populations.Overall,this Y-Chromosomal assay gives valuable information about paternal lineages in male individual tracking and genealogical database construction.