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史前奥内奥塔人群的线粒体DNA分析:对新世界人口迁移的启示

mtDNA analysis of a prehistoric Oneota population: implications for the peopling of the New World.

作者信息

Stone A C, Stoneking M

机构信息

Department of Anthropology, Pennsylvania State University, University Park, Pennsylvania, USA.

出版信息

Am J Hum Genet. 1998 May;62(5):1153-70. doi: 10.1086/301838.

Abstract

mtDNA was successfully extracted from 108 individuals from the Norris Farms Oneota, a prehistoric Native American population, to compare the mtDNA diversity from a pre-Columbian population with contemporary Native American and Asian mtDNA lineages and to examine hypotheses about the peopling of the New World. Haplogroup and hypervariable region I sequence data indicate that the lineages from haplogroups A, B, C, and D are the most common among Native Americans but that they were not the only lineages brought into the New World from Asia. The mtDNA evidence does not support the three-wave hypothesis of migration into the New World but rather suggests a single "wave" of people with considerable mtDNA diversity that exhibits a signature of expansion 23,000-37,000 years ago.

摘要

从诺里斯农场奥内奥塔(Norris Farms Oneota)这一史前美洲原住民群体的108个个体中成功提取了线粒体DNA(mtDNA),以比较一个前哥伦布时期群体的mtDNA多样性与当代美洲原住民和亚洲mtDNA谱系,并检验关于新世界人口迁移的假说。单倍群和高变区I序列数据表明,单倍群A、B、C和D的谱系在美洲原住民中最为常见,但它们并非从亚洲带入新世界的唯一谱系。mtDNA证据不支持迁入新世界的三波迁移假说,而是表明有一波具有相当mtDNA多样性的人群,其表现出在23000至37000年前扩张的特征。

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