Results of the GEP-ISFG collaborative study on the Y chromosome STRs GATA A10, GATA C4, GATA H4, DYS437, DYS438, DYS439, DYS460 and DYS461: population data |
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Authors: | Gusmão Leonor Sánchez-Diz Paula Alves Cíntia Quintáns Beatriz García-Poveda Emilio Geada Helena Raimondi Eduardo Silva de la Fuente Sandra María Vide Maria Conceição Whittle Martin R Zarrabeitia María Teresa Carvalho Mónica Negreiros Veranice Prieto Solla Lourdes Riancho José A Campos-Sánchez Rebeca Vieira-Silva Claúdia Toscanini Ulises Amorim António Carracedo Angel;GEP-ISFG |
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Institution: | IPATIMUP, Institute of Pathology and Immunology of University of Porto, Porto, Portugal. |
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Abstract: | The Spanish and Portuguese ISFG Working Group (GEP-ISFG) carried out a collaborative exercise in order to asses the performance of two Y chromosome STR tetraplexes, which include the loci DYS461, GATA C4, DYS437 and DYS438 (GEPY I), and DYS460, GATA A10, GATA H4 and DYS439 (GEPY II). The groups that reported correct results in all the systems were also asked to analyse a population sample in order to evaluate the informative content of these STRs in different populations. A total of 1020 males out of 13 population samples from Argentina, Brazil, Costa Rica, Macao, Mozambique, Portugal and Spain were analysed for all the loci included in the present study. Haplotype and allele frequencies of these eight Y-STRs were estimated in all samples. The lowest haplotype diversity was found in the Lara (Argentina) population (95.44%) and the highest (99.90%) in Macao (China). Pairwise haplotype analysis showed the relative homogeneity of the Iberian origin samples, in accordance with what was previously found in the European populations for other Y-STR haplotypes (http://www.ystr.org). As expected, the four non-Caucasian samples, Macao (Chinese), Mozambique (Africans), Costa Rica (Africans) and Argentina (Lara, Amerindians), show highly significant Phist values in the pairwise comparisons with all the Caucasian samples. |
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