Evaluation of the minimum number of markers for individual ancestry estimation in an Argentinean population sample

Estimation of individual ancestry has great relevance when studying population composition in regions like South America, where intensive admixture processes have occurred, being also important in biomedical sciences. For that reason, it is important to assess the factors that may affect the reliabi...

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Autores principales: Russo, María Gabriela, Di Fabio Rocca, Francisco, Doldán, Patricio, Cardozo, Darío Gonzalo, Dejean, Cristina Beatriz, Seldes, Verónica, Avena, Sergio
Formato: Artículo revista
Lenguaje:Español
Publicado: Facultad de Filosofía y Humanidades. Museo de Antropología 2016
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Acceso en línea:https://revistas.unc.edu.ar/index.php/antropologia/article/view/12579
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id I10-R10article-12579
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institution Universidad Nacional de Córdoba
institution_str I-10
repository_str R-10
container_title_str Revistas de la UNC
language Español
format Artículo revista
topic number of AIMs
individual ancestry
Argentinean population
número de AIMs
ancestría individual
población argentina
spellingShingle number of AIMs
individual ancestry
Argentinean population
número de AIMs
ancestría individual
población argentina
Russo, María Gabriela
Di Fabio Rocca, Francisco
Doldán, Patricio
Cardozo, Darío Gonzalo
Dejean, Cristina Beatriz
Seldes, Verónica
Avena, Sergio
Evaluation of the minimum number of markers for individual ancestry estimation in an Argentinean population sample
topic_facet number of AIMs
individual ancestry
Argentinean population
número de AIMs
ancestría individual
población argentina
author Russo, María Gabriela
Di Fabio Rocca, Francisco
Doldán, Patricio
Cardozo, Darío Gonzalo
Dejean, Cristina Beatriz
Seldes, Verónica
Avena, Sergio
author_facet Russo, María Gabriela
Di Fabio Rocca, Francisco
Doldán, Patricio
Cardozo, Darío Gonzalo
Dejean, Cristina Beatriz
Seldes, Verónica
Avena, Sergio
author_sort Russo, María Gabriela
title Evaluation of the minimum number of markers for individual ancestry estimation in an Argentinean population sample
title_short Evaluation of the minimum number of markers for individual ancestry estimation in an Argentinean population sample
title_full Evaluation of the minimum number of markers for individual ancestry estimation in an Argentinean population sample
title_fullStr Evaluation of the minimum number of markers for individual ancestry estimation in an Argentinean population sample
title_full_unstemmed Evaluation of the minimum number of markers for individual ancestry estimation in an Argentinean population sample
title_sort evaluation of the minimum number of markers for individual ancestry estimation in an argentinean population sample
description Estimation of individual ancestry has great relevance when studying population composition in regions like South America, where intensive admixture processes have occurred, being also important in biomedical sciences. For that reason, it is important to assess the factors that may affect the reliability of results. In this work, we investigate the minimum number of ancestry informative markers (AIMs) for obtaining acceptable estimations of ancestry. As an example, we take individuals from a population sample of different Argentinean regions. Considering a three component model (Native American, Eurasian and Sub-Saharan), we calculated ancestry of 441 individuals using 10, 20, 30 and 50 AIMs. The results indicate that the number of markers affects ancestry estimation and its accuracy increases with AIMs number. When compared to previous estimations obtained from 99 AIMs, the result shows that at least 30 markers are needed to achieve good correlation values for the minority component (Sub-Saharan in this case). For individual ancestry studies, we suggest to take into account not only the number of markers, but also its informativeness and the background of the studied population.
publisher Facultad de Filosofía y Humanidades. Museo de Antropología
publishDate 2016
url https://revistas.unc.edu.ar/index.php/antropologia/article/view/12579
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