Jing-dong Lin1, Ai-ming Huang, Jian-wen Huang. 1. Department of Pathology, College of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian, 350004, P. R. China.
Abstract
OBJECTIVE: To reveal the distribution of genetic polymorphism of two novel Y chromosome short tandem repeat (Y-STR) loci (DYS508, DYS516) in Chinese Chengdu Han population. METHODS: Two Y-STR loci were amplified with PCR. The products of PCR were analyzed with polyacrylamide gel electrophoresis. Each allele of these 2 Y-STR loci was sequenced and the allele ladders were constructed. Alleles of these Y-STR loci were nominated according to recommendations of the International Society of Forensic Genetics (ISFG). RESULTS: Six and 6 alleles were observed in loci DYS508 and DYS516 respectively. The gene diversity of DYS508 and DYS516 was 0.7242 and 0.7931 respectively. The diversity of haplotype for these Y-STR loci was 0.9397. The value of discrimination power and the exclusion chance of paternity for these Y-STR loci were same as the value of haplotype diversity. CONCLUSION: Both Y-STR loci are high genetic polymorphic. They are beneficial to the test of male-female mixtures and paternity identification in forensic science.
OBJECTIVE: To reveal the distribution of genetic polymorphism of two novel Y chromosome short tandem repeat (Y-STR) loci (DYS508, DYS516) in Chinese Chengdu Han population. METHODS: Two Y-STR loci were amplified with PCR. The products of PCR were analyzed with polyacrylamide gel electrophoresis. Each allele of these 2 Y-STR loci was sequenced and the allele ladders were constructed. Alleles of these Y-STR loci were nominated according to recommendations of the International Society of Forensic Genetics (ISFG). RESULTS: Six and 6 alleles were observed in loci DYS508 and DYS516 respectively. The gene diversity of DYS508 and DYS516 was 0.7242 and 0.7931 respectively. The diversity of haplotype for these Y-STR loci was 0.9397. The value of discrimination power and the exclusion chance of paternity for these Y-STR loci were same as the value of haplotype diversity. CONCLUSION: Both Y-STR loci are high genetic polymorphic. They are beneficial to the test of male-female mixtures and paternity identification in forensic science.