Comparative Study of 10 X-STR Markers in Populations of Northeast Argentina

In northeast Argentina, different Amerindian communities share territory and history with settlers, mainly Europeans. Due to miscegenation, the current Argentinean population has a particular structure that can be described through X chromosome variation. The objectives of this study were to describ...

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Autores principales: Di Santo Meztler, Gabriela Paula, Glesmann, Laura Ángela, Esteban, Esther, Palacio, Santiago del, Mendez, Marta Graciela, Catanesi, Cecilia Inés
Formato: Articulo Preprint
Lenguaje:Inglés
Publicado: 2019
Materias:
Biología
Genetic variability
Genetic variation
Argentina
Gran Chaco
Mesopotamia
Native populations
X chromosome
STR
Admixed populations
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/125568
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-125568
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Biología
Genetic variability
Genetic variation
Argentina
Gran Chaco
Mesopotamia
Native populations
X chromosome
STR
Admixed populations
spellingShingle Biología
Genetic variability
Genetic variation
Argentina
Gran Chaco
Mesopotamia
Native populations
X chromosome
STR
Admixed populations
Di Santo Meztler, Gabriela Paula
Glesmann, Laura Ángela
Esteban, Esther
Palacio, Santiago del
Mendez, Marta Graciela
Catanesi, Cecilia Inés
Comparative Study of 10 X-STR Markers in Populations of Northeast Argentina
topic_facet Biología
Genetic variability
Genetic variation
Argentina
Gran Chaco
Mesopotamia
Native populations
X chromosome
STR
Admixed populations
description In northeast Argentina, different Amerindian communities share territory and history with settlers, mainly Europeans. Due to miscegenation, the current Argentinean population has a particular structure that can be described through X chromosome variation. The objectives of this study were to describe the variation of 10 X-chromosome short tandem repeats (X-STRs) in urban populations of the Argentinean regions known as Gran Chaco and Mesopotamia, report the forensic parameters of these STRs, and estimate the European and indigenous genetic components in these regions. Population and forensic parameters were estimated for 419 individuals from the analyzed populations, including two indigenous groups, Wichi and Mocovi, previously reported. Population structure was estimated through FST and RST distances and analysis of molecular variance. The indigenous American and European components were assessed with STRUCTURE. X-STRs showed a high level of genetic variability in urban and indigenous populations. Indigenous people of the Gran Chaco region showed significant differentiation from the urban samples (FST = 5.5%) and among themselves (FST = 5.3%). Genetic differentiation among urban groups was almost negligible, except that the population from Mision Nueva Pompeya differed from the rest of the city populations. Forensic parameters indicate that these X-STRs are useful as a complement to paternity tests. The set of 10 STRs could be a good tool for examining population differences.
format Articulo
Preprint
author Di Santo Meztler, Gabriela Paula
Glesmann, Laura Ángela
Esteban, Esther
Palacio, Santiago del
Mendez, Marta Graciela
Catanesi, Cecilia Inés
author_facet Di Santo Meztler, Gabriela Paula
Glesmann, Laura Ángela
Esteban, Esther
Palacio, Santiago del
Mendez, Marta Graciela
Catanesi, Cecilia Inés
author_sort Di Santo Meztler, Gabriela Paula
title Comparative Study of 10 X-STR Markers in Populations of Northeast Argentina
title_short Comparative Study of 10 X-STR Markers in Populations of Northeast Argentina
title_full Comparative Study of 10 X-STR Markers in Populations of Northeast Argentina
title_fullStr Comparative Study of 10 X-STR Markers in Populations of Northeast Argentina
title_full_unstemmed Comparative Study of 10 X-STR Markers in Populations of Northeast Argentina
title_sort comparative study of 10 x-str markers in populations of northeast argentina
publishDate 2019
url http://sedici.unlp.edu.ar/handle/10915/125568
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