阿根廷东北部种群10个X-STR标记的比较研究。

4区 生物学 Q2 Medicine
G Paula Di Santo Meztler, Laura A Glesmann, M Esther Esteban, Santiago Del Palacio, Marta G Méndez, Cecilia I Catanesi
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引用次数: 2

摘要

在阿根廷东北部,不同的美洲印第安人社区与定居者(主要是欧洲人)共享领土和历史。由于混种,目前的阿根廷人口有一个特殊的结构,可以通过X染色体变异来描述。本研究的目的是描述阿根廷大查科和美索不达米亚地区城市人群中10个x染色体短串联重复序列(X-STRs)的变异,报告这些STRs的法医参数,并估计这些地区的欧洲和本土遗传成分。对来自分析种群的419个个体的种群和法医参数进行了估计,包括先前报道的两个土著群体Wichí和Mocoví。通过FST和RST距离和分子方差分析估计种群结构。用STRUCTURE对美洲和欧洲本土成分进行了评估。x - str在城市和土著人群中显示出高度的遗传变异。大查科地区土著居民与城市样本(FST = 5.5%)和土著居民之间(FST = 5.3%)存在显著差异。除了Misión Nueva Pompeya的人口与其他城市人口不同之外,城市群体之间的遗传分化几乎可以忽略不计。法医参数表明,这些x - str作为亲子鉴定的补充很有用。这10组str可能是检验种群差异的一个很好的工具。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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 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, Wichí and Mocoví, 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 Misión 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.

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来源期刊
Human Biology
Human Biology 生物-生物学
CiteScore
1.90
自引率
0.00%
发文量
88
审稿时长
>12 weeks
期刊介绍: Human Biology publishes original scientific articles, brief communications, letters to the editor, and review articles on the general topic of biological anthropology. Our main focus is understanding human biological variation and human evolution through a broad range of approaches. We encourage investigators to submit any study on human biological diversity presented from an evolutionary or adaptive perspective. Priority will be given to interdisciplinary studies that seek to better explain the interaction between cultural processes and biological processes in our evolution. Methodological papers are also encouraged. Any computational approach intended to summarize cultural variation is encouraged. Studies that are essentially descriptive or concern only a limited geographic area are acceptable only when they have a wider relevance to understanding human biological variation. Manuscripts may cover any of the following disciplines, once the anthropological focus is apparent: human population genetics, evolutionary and genetic demography, quantitative genetics, evolutionary biology, ancient DNA studies, biological diversity interpreted in terms of adaptation (biometry, physical anthropology), and interdisciplinary research linking biological and cultural diversity (inferred from linguistic variability, ethnological diversity, archaeological evidence, etc.).
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