Genetic ancestry in Afro-descendants from the Andes and Pacific Coast regions of Ecuador

This study aimed to investigate genetic diversity and ancestry in Afro-descendants from the Andes (AN) and the Pacific Coast (PC) regions of Ecuador, using autosomal and lineage markers. CR-mtDNA and PPY23-STRs showed high haplotype diversities. Statistically significant differences were found betwe...

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Bibliographic Details
Published in:Forensic science international. Genetics supplement series 2022-12, Vol.8, p.254-256
Main Authors: Burgos, Germán, Gomes, Verónica, Nguidi, Masinda, Seguro, Mariana, Garzón-Salazar, Alejandra, Calvopiña, Manuel, Aguilar, Dayana, Gamboa, Grace, Zapata, Sonia, Cabrera-Andrade, Alejandro, Flores-Espinoza, Rodrigo, Simão, Filipa, Carracedo, Angel, Gusmão, Leonor
Format: Article
Language:English
Subjects:
Afro-descendants
AIM-Indels
CR-mtDNA
Ecuador
Y-STRs
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Summary:This study aimed to investigate genetic diversity and ancestry in Afro-descendants from the Andes (AN) and the Pacific Coast (PC) regions of Ecuador, using autosomal and lineage markers. CR-mtDNA and PPY23-STRs showed high haplotype diversities. Statistically significant differences were found between AN and PC. Due to different patterns of sex-biased matting, differences between regions were more pronounced for the mtDNA than for the Y-chromosomal markers. A lower African ancestry was detected in AN than PC, for autosomal and both maternal and paternal lineage markers.
ISSN:1875-1768
1875-175X
DOI:10.1016/j.fsigss.2022.10.053