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Compound-specific radiocarbon dating and mitochondrial DNA analysis of the Pleistocene hominin from Salkhit Mongolia

机译:蒙古索尔基特地区更新世人类素的化合物特异性放射性碳年代测定和线粒体DNA分析

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摘要

A skullcap found in the Salkhit Valley in northeast Mongolia is, to our knowledge, the only Pleistocene hominin fossil found in the country. It was initially described as an individual with possible archaic affinities, but its ancestry has been debated since the discovery. Here, we determine the age of the Salkhit skull by compound-specific radiocarbon dating of hydroxyproline to 34,950–33,900 Cal. BP (at 95% probability), placing the Salkhit individual in the Early Upper Paleolithic period. We reconstruct the complete mitochondrial genome (mtDNA) of the specimen. It falls within a group of modern human mtDNAs (haplogroup N) that is widespread in Eurasia today. The results now place the specimen into its proper chronometric and biological context and allow us to begin integrating it with other evidence for the human occupation of this region during the Paleolithic, as well as wider Pleistocene sequences across Eurasia.
机译:据我们所知,在东北蒙古的索尔基特河谷发现的黄is是该国唯一的更新世人化石化石。最初,它被描述为具有可能的古老亲缘关系的个人,但是自发现以来,其血统一直受到争议。在这里,我们通过羟脯氨酸的化合物特异性放射性碳测年至34,950-33,900 Cal来确定Salkhit头骨的年龄。 BP(概率为95%),将Salkhit个人置于旧石器时代早期。我们重建了标本的完整线粒体基因组(mtDNA)。它属于当今在欧亚大陆广泛分布的一组现代人类mtDNA(单倍型N)。现在的结果将标本置于适当的年代和生物学背景,使我们可以将其与旧石器时代人类占领该地区的其他证据以及整个欧亚大陆的更新世序列整合在一起。

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