Y-chromosome haplotype analysis in Antioquia (Colombia)

Allele frequencies and haplotype analysis have been performed for eight Y-chromosome STRs (DYS19, DYS385 I and II, DYS389 I and II, DYS390, DYS391, DYS392, DYS393). Population data was obtained from a sample of 400 unrelated individuals living in Antioquia (Colombia). A total of 270 different haplotypes were found, and the haplotype diversity was 0.989. The first and second most frequent haplotypes where shared by 8 and 6% of the individuals, respectively.     

Allele frequency distributions of six Amp-FLPS (D1S80, APO-B, VWA, TH01, CSF1PO and HPRTB) in a Mexican population

Six amplified fragment length polymorphisms or Amp-FLPs, two VNTRs (D1S80 and APO-B) and four STRs (VWA, TH01, CSF1PO and HPRTB), were typed in a Mexican population of the Jalisco state by means of non-denaturing polyacrylamide gel electrophoresis (native PAGE) in standard gel units and silver staining. Genotype distribution was in agreement with Hardy-Weinberg expectations (HWE) for all six markers. Heterozygosity ranged from 70.6 to 83.5%, the cumulated chance of exclusion (CE) and power of discrimination (PD) were 99.4 and 99.99%, respectively. STRs and D1S80 allele frequency distributions (AFD) were similar (P > 0.05) to U.S. Hispanics, but different to U.S. Caucasians and African-Americans. APO-B exhibited similarities with White Brazilians, Spaniards, but differences (P < 0.05) with Amerindian and Black Brazilians.     

Genetic data on nine STRs (CSF1PO, TPOX, THO1, F13AO1, FESFPS, vWA, D16S539, D7S820 and D13S317) and two VNTRs (D1S80 and D17S5) in Rosario population, Santa Fe Argentine

Allele frequencies for nine short tandem repeats (STRs) loci (CSF1PO, TPOX, THO1, F13AO1, FES/FPS, vWA, D16S539, D7S820 and D13S317) and two variable number tandem repeats (VNTRs) were obtained from a sample of 270 unrelated individuals born in the Rosario city, Santa Fe province of Argentina.     

Spanish population data on seven loci: D1S80, D17S5, HUMTH01, HUMVWA,ACTBP2, D21S11 and HLA-DQA1

Blood samples from 120 Spanish Caucasian individuals were amplified and typed by electrophoresis at six loci, and by reverse dot-blot hybridization at one locus. Results demonstrate the assumption of independence within and between the seven loci analyzed. Therefore, a Spanish population database has been established and statistical analysis shows that a high degree of discrimination can be obtained when all seven (or fewer) loci are used to characterize forensic biological evidence.     

The Slovenian population data on the PCR based loci HLA-DQA1, LDLR, GYPA, HBGG, D7S8, GC, and D1S80

Allele frequencies for the loci HLA-DQA1, LDLR, GYPA, HBGG, D7S8, GC, and D1S80 were determined for a sample population of unrelated individuals from Slovenia. All loci meet Hardy-Weinberg expectations, except the loci GYPA (p = 0.041) and D1S80 (p = 0.009). There is little evidence for association of alleles among the seven loci. Only one out of 21 pairwise comparisons demonstrated departures from independence (HLA-DQA1/HBGG, p = 0.008). The allelic frequency data generally are similar to that of U.S. Caucasians.     

Distribution of D1S80 alleles in the Bahrainian population

This study demonstrates that the locus D1S80 is highly polymorphic in the Bahrainian population. There were 24 different D1S80 alleles and 51 distinct genotypes observed in 198 Bahrainians. There was one allele observed that was smaller than the 14 repeat allele. This data set meets the Hardy-Weinberg expectations (HWE) and could be a useful marker for parentage testing and forensic applications.     

D1S549、D3S1754和D22S683基因座在中国成都地区汉族群体中的遗传多态性研究

目的为了解中国成都地区汉族群体D1S549、D3S1754和D22S683基因座基因频率分布,获得中国成都地区汉族群体三个STR基因座的群体遗传数据,探究在法医学应用中的意义.方法应用PCR扩增技术,聚丙烯酰胺凝胶垂直板电泳对D1S549、D3S1754和D22S683基因座分型.结果 109个个体中D1S549共检出9个等位基因,23种基因型;D3S1754共检出9个等位基因,15种基因型;D22S683共检出10个等位基因,30种基因型.三个STR基因座基因型频率分布总的看来符合Hardy-Weinberg平衡.三个STR基因座在中国成都地区汉族群体中的观察杂合度分别为0.7～0.76,非父排除概率分别为0.4711～0.6404,个人识别机率分别为0.8693～0.9422.结论结果显示D1S549、D3S1754和D22S683基因座在群体遗传学研究和法医学个人识别中有较高的应用价值.     

Allele frequencies of six miniSTR loci (D10S1248, D14S1434, D22S1045, D4S2364, D2S441 and D1S1677) in a Spanish population

Allele frequencies and forensic parameters for six miniSTR autosomal loci (D10S1248, D14S1434, D22S1045, D4S2364, D2S441 and D1S1677) were obtained from a sample of 264 unrelated individuals from Spain. No significant deviations from Hardy-Weinberg expectations were found. Due to the small PCR products (<125 bp), the use of these non-CODIS (NC) miniSTRs can increase the probability that a degraded sample can be typed. Additionally, these systems can be used in routine paternity analyses where more markers are needed to increase the power of exclusion or in complex paternity cases (e.g. involving closely related individuals).     

Allele and genotype frequencies for D1S80 locus in a Brazilian population sample

Gene and genotype frequencies in relation to the D1S80 locus were determined in a sample of 197 unrelated individuals (144 Caucasians and 53 Mulattoes), living in the city of S?o Paulo, Brazil. The Mulatto group was composed by mixed individuals who presented at least one negroid physical characteristic or declared themselves to be of mixed (Black-White) ancestry. Nineteen different alleles were detected in the Caucasian sample and 15 among Mulattoes. Alleles 18 and 24 were found to be the most common ones in the Caucasian population with frequencies of 0.173 and 0.357 respectively; the sample heterozygote frequency was estimated in 0.824. Alleles 18, 24, and 28 were found to be the most common alleles among Mulattoes with respective frequencies of 0.150, 0.349, and 0.113; the sample heterozygote frequency was 0.759. Fifty-five different genotypes were detected among Brazilian Caucasians whereas the respective figure among Mulattoes was 31. No significant deviations from Hardy-Weinberg equilibrium were found in both population samples.     

Population data for Southern Spain and Canary Islands of HLADQA1, PM and D1S80 loci

Allele frequencies for seven polymerase chain reaction (PCR)-based DNA genetic markers in two Spanish populations (Southern Spain and Canary Islands), were determined and compared. The loci analysed were HLADQA1, LDLR, GYPA, HBGG, D7S8,Gc, and D1S80.