期刊
NATURE GENETICS
卷 43, 期 10, 页码 1031-U151出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/ng.937
关键词
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资金
- Packard Fellowship
- National Science Foundation [DBI-0644111]
- National Institutes of Health [T32HD052471]
Whole-genome sequences provide a rich source of information about human evolution. Here we describe an effort to estimate key evolutionary parameters based on the whole-genome sequences of six individuals from diverse human populations. We used a Bayesian, coalescent-based approach to obtain information about ancestral population sizes, divergence times and migration rates from inferred genealogies at many neutrally evolving loci across the genome. We introduce new methods for accommodating gene flow between populations and integrating over possible phasings of diploid genotypes. We also describe a custom pipeline for genotype inference to mitigate biases from heterogeneous sequencing technologies and coverage levels. Our analysis indicates that the San population of southern Africa diverged from other human populations approximately 108-157 thousand years ago, that Eurasians diverged from an ancestral African population 38-64 thousand years ago, and that the effective population size of the ancestors of all modern humans was similar to 9,000.
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