返回列表 回复 发帖

The Genomic History of Southeastern Europe (预印本)

Iain Mathieson et al.   Posted May 9, 2017   bioRxiv


http://biorxiv.org/content/early/2017/05/09/135616

Abstract
Farming was first introduced to southeastern Europe in the mid-7th millennium BCE - brought by migrants from Anatolia who settled in the region before spreading throughout Europe. However, the dynamics of the interaction between the first farmers and the indigenous hunter-gatherers remain poorly understood because of the near absence of ancient DNA from the region. We report new genome-wide ancient DNA data from 204 individuals - 65 Paleolithic and Mesolithic, 93 Neolithic, and 46 Copper, Bronze and Iron Age - who lived in southeastern Europe and surrounding regions between about 12,000 and 500 BCE. We document that the hunter-gatherer populations of southeastern Europe, the Baltic, and the North Pontic Steppe were distinctive from those of western Europe, with a West-East cline of ancestry. We show that the people who brought farming to Europe were not part of a single population, as early farmers from southern Greece are not descended from the Neolithic population of northwestern Anatolia that was ancestral to all other European farmers. The ancestors of the first farmers of northern and western Europe passed through southeastern Europe with limited admixture with local hunter-gatherers, but we show that some groups that remained in the region mixed extensively with local hunter-gatherers, with relatively sex-balanced admixture compared to the male-biased hunter-gatherer admixture that we show prevailed later in the North and West. After the spread of farming, southeastern Europe continued to be a nexus between East and West, with intermittent steppe ancestry, including in individuals from the Varna I cemetery and associated with the Cucuteni-Trypillian archaeological complex, up to 2,000 years before the Steppe migration that replaced much of northern Europe's population.
1

评分次数

符合预期。。相比法国和不列颠,青铜时代的伊比利亚更好的保持了新石器时代的遗传结构;那么,巴斯克语和伊比利亚语究竟该追溯到狩猎采集者还是新石器文化人群呢?

现阶段看来,旧石器末西欧亚人群首先以小亚细亚-高加索-中亚沙漠为界分为南北两类,北侧人群基本可以视为冰期猛犸草原猎人的后续人群,进一步分别类聚为WHG和EHG。南侧则主要分为黎凡特狩猎采集者和高加索-伊朗狩猎采集者,这两支人群此后率先开始了新时期革命及作物/牲畜驯化。之后西欧亚人类的发展就是这四个泛人群反复混合的结果:
新石器安纳托利亚人群=新石器黎凡特人+?WHG
新石器欧洲人=新石器安纳托利亚人+WHG
青铜时代乌拉尔图-亚美尼亚人=新石器安纳托利亚人+新石器高加索-伊朗人
颜那亚人=EHG+新石器高加索-伊朗人
青铜中西欧人=颜那亚人+新石器欧洲人
青铜伊朗人=颜那亚人+新石器高加索-伊朗人后续

大概这样?
符合预期。。相比法国和不列颠,青铜时代的伊比利亚更好的保持了新石器时代的遗传结构;那么,巴斯克语和伊比利亚语究竟该追溯到狩猎采集者还是新石器文化人群呢?

现阶段看来,旧石器末西欧亚人群首先以小亚细亚-高加索-中亚沙漠为界分为南北两类,北侧人群基本可以视为冰期猛犸草原猎人的后续人群,进一步分别类聚为WHG和EHG。南侧则主要分为黎凡特狩猎采集者和高加索-伊朗狩猎采集者,这两支人群此后率先开始了新时期革命及作物/牲畜驯化。之后西欧亚人类的发展就是这四个泛人群反复混合的结果:
新石器安纳托利亚人群=新石器黎凡特人+?WHG
新石器欧洲人=新石器安纳托利亚人+WHG
青铜时代乌拉尔图-亚美尼亚人=新石器安纳托利亚人+新石器高加索-伊朗人
颜那亚人=EHG+新石器高加索-伊朗人
青铜中西欧人=颜那亚人+新石器欧洲人
青铜伊朗人=颜那亚人+新石器高加索-伊朗人后续

大概这样?
嗯,新石器时代的老欧洲, 这个地区在欧洲历史上可能是被侵略和征服最多的地区,狩猎采集者的I2,安纳托利亚和近东的G2及J/E,来自草原和邻近地区的无数次叠加的R1a/b, 到后期的突厥混合的Y-DNA。
Iain Mathieson终于单独出文章了,恭喜恭喜。
总的来看,与我今年在本坛的分析比较吻合。至于introduction中的最后一句:the Steppe migration that replaced much of northern Europe's population,我觉得改为:the Steppe migration that contributed to much of northern Europe's population,则更符合真实情况~
物格而后知至,知至而后意诚,意诚而后心正,心正而后身修,身修而后家齐,家齐而后国治,国治而后天下平...
本帖最后由 Tocharian_2 于 2017-5-18 14:56 编辑

文中认为某很可能导致金发的等位基因来自ANE人群。
p1.JPG
返回列表
baidu
互联网 www.ranhaer.org