A reference frequency database of 15 autosomal STRs in Chile
Ulises Toscanini1, Fabián Moreno2, Jaime A Pantoja-Astudillo3
1PRICAI-Fundación Favaloro, Buenos Aires, Argentina; Unidade de Xenética, Departamento de Anatomía Patolóxica e Ciencias Forenses, and Instituto de Ciencias Forenses, Grupo de Medicina Xenómica (GMX), Facultade de Medicina, Universidade de Santiago de Compostela, 15872, Galicia, Spain.
Forensic Science International. Genetics
|June 16, 2015
Summary
Allele frequencies for 15 autosomal STR loci were determined in 986 individuals across Chile. The study found no significant regional differences, providing valuable forensic data for the country.
Area of Science:
- Population genetics
- Forensic science
Background:
- This study analyzed allele frequencies for 15 autosomal short tandem repeat (STR) loci using the AmpFlSTR(®) Identifiler kit.
- Data were collected from 986 unrelated individuals across five Chilean localities: Iquique, Santiago, Concepción, Temuco, and Punta Arenas.
Discussion:
- No significant statistical differences in allele frequencies were observed between the different regions of Chile.
- This suggests a degree of genetic homogeneity across the studied non-Native American population in Chile.
Key Insights:
- Established population-specific allele frequency data for 15 autosomal STR loci in Chile.
- Demonstrated the forensic applicability of the AmpFlSTR(®) Identifiler system within the Chilean population.
- Highlighted the lack of significant genetic differentiation among the sampled regions.
Outlook:
- These findings provide a crucial resource for forensic casework and population genetic studies in Chile.
- Further research could expand the sample size and include diverse ethnic groups to enhance the forensic database.


