Genome sequence of a 45,000-year-old modern human from western Siberia
2014
We present the high-quality genome sequence of a 45,000-year-old modern human male from Siberia. This individual derives from a population that lived before—or simultaneously with—the separation of the populations in western and eastern Eurasia and carries a similar amount of Neanderthal ancestry as present-day Eurasians. However, the genomic segments of Neanderthal ancestry are substantially longer than those observed in present-day individuals, indicating that Neanderthal gene flow into the ancestors of this individual occurred 7,000–13,000 years before he lived. We estimate an autosomal mutation rate of 0.4 3 10 29 to 0.6 3 10 29 per site per year, a Y chromosomal mutation rate of 0.7 3 10 29 to 0.9 3 10 29 per site per year based on the additional substitutions that have occurred in present-day nonAfricans compared to this genome, and a mitochondrial mutation rate of 1.8 3 10 28 to 3.2 3 10 28 per site per year based on the age of the bone.
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