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Toscanini U.,PRICAI Fundacion FavaloroBuenos Aires | Toscanini U.,University of Santiago de Compostela | Moreno F.,University of Santiago de Compostela | Salas A.,University of Santiago de Compostela
Forensic Science International: Genetics | Year: 2015

Abstract We estimated the allele frequencies for the 15 autosomal STR loci included in the AmpFlSTR® Identifiler (Applied Biosystems, USA) in a sample of 986 unrelated non-Native American individuals collected at five different localities from Chile, namely, Iquique, Santiago, Concepción, Temuco and Punta Arenas. Frequency distributions and several forensic parameters were estimated at each recruitment site. In addition, analyses were carried out merging the data into five sample locations. No significant statistical differences could be detected between different regions in Chile. These data represent one of the very few studies performed on autosomal STRs in Chile and therefore provide a useful tool for forensic casework carried out in the country. © 2015 Elsevier Ireland Ltd.

Toscanini U.,PRICAI Fundacion FavaloroBuenos Aires | Toscanini U.,University of Santiago de Compostela | Vullo C.,LIDMO EAAF | Berardi G.,PRICAI Fundacion FavaloroBuenos Aires | And 5 more authors.
Forensic Science International: Genetics | Year: 2016

A study of 23 Y-STRs was conducted in 257 individuals living in urban areas from eight Argentinean provinces. The data were meta-analyzed together with 364 profiles obtained from the literature that represent other five provinces. A total of 255 different haplotypes were observed (253 singletons). Genetic structure estimated from analysis of molecular variance (AMOVA) and exploring different grouping scenarios, yielded high within population variance. Not surprisingly, analyses of genetic distances with respect to main ancestral continental populations indicated Argentinean haplotypes to be closely related to European ones. Overall, these results provide a quite complete picture of the patterns of Y chromosome variation in Argentina, notably contributing to increase the previous national database, and consequently allowing a better estimation of parameters of interest in forensic casework and parentage testing. © 2015 Elsevier Ireland Ltd.

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