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5000年前巴斯克人的mtDNA与当地现代人的mtDNA差异很大

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发表于 2010-2-15 23:01 | 显示全部楼层 |阅读模式
Annals of Human Genetics (OnlineEarly)

Temporal Mitochondrial DNA Variation in the Basque Country: Influence of Post-Neolithic Events

A. Alzualde et al.

Summary

The Basque population has been considered an outlier in a large number of genetic studies, due to its hypothesized antiquity and greater genetic isolation. The present paper deals with an analysis of the mtDNA variability of the historical population of Aldaieta (VIVII c. AD; Basque Country) which, together with genetic data existing for other prehistoric populations of the Basque Country (4,5005,000 YBP), permits an appraisal of the hypotheses proposed for the origin of the genetic differentiation of the Basque population. Given that this is an aDNA study, application has been made both of standard precautions, to avoid contamination, and of authentication criteria (analysis of duplicates, replication in an independent laboratory, quantification of target DNA, sequencing and cloning of PCR products). The variability of the mtDNA haplogroups of the historical population of Aldaieta falls within the range of the present-day populations of Europe's Atlantic fringe, whereas the prehistoric populations of the Basque Country display clear differentiation in relation to all others. Consequently, we suggest that between 5,0001,500 YBP approximately, there may have been gene flow amongst the western European populations that homogenised mtDNA lineages.

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发表于 2014-4-16 19:21 | 显示全部楼层
现代巴斯克人的Y好象是异常高频的R1b-M269,不过不知道是不是西欧常见的U106?
发表于 2014-4-16 21:33 | 显示全部楼层
不是,拉丁系的,S112。
发表于 2014-4-16 22:22 | 显示全部楼层
刚查到,原来巴斯克的R1b主要是R-M153 (R-P312-2a),是西欧常见的类型~
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