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4个Y-STR基因座银染复合扩增 被引量:9

Four Y-STR Multiplex System by Silver Staining
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摘要 建立一个复合扩增体系,同时扩增DYS391、GATA-A4、GATA-A10和GATA-H44个Y染色体特异性的STR基因座,并用聚丙烯酰胺凝胶电泳和银染显色技术进行基因分型。采用该复合扩增系统调查广东汉族311名无关男性个体的单倍型频率,这4个基因座分别检出5、7、6和5个等位基因,其基因多样性分别为0.4623、0.6972、0.7173、0.6015。共检出98种单倍型,单倍型基因多样性为0.9755。该复合扩增体系在建立Y染色体STR数据库,研究群体遗传和进行法医学鉴定有重要意义。 A multiplex PCR system has been developed to amplify 4 Ychromosome specific short tandem repeats(STR),DYS391,GATA-A4,GATA-A10 and GATA-H4,simultaneously.PCR products were separated by polyacrylamide gels electrophoresis followed by silver stain.When 311 unrelated males from the Han population in Guangdong were detected by the multiplex system,DYS391,GATA-A4,GATA-A10 and GATA-H4 showed 5,7,6 and 5 alleles respectively.Total 98 haplotypes could be identified.Gene diversity value for the 4 STR was 0.4623,0.6972,0.7173 and 0.6015 respectively.The gene diversity value for the haplotypes of the 4 YSTR reached 0.9755.The four YSTR multiplex system will be very powerful for establishing YSTR database,exploring human origin,paternity testing and personal identification.
出处 《遗传》 CAS CSCD 北大核心 2003年第3期279-282,共4页 Hereditas(Beijing)
关键词 STR基因座 Y染色体 复合扩增 单倍型频率 等位基因 基因多样性 multiplex amplification Y-chromosome short tandem repeat genetic polymorphism
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