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Analysis of 6,515 exomes reveals the recent origin of most human protein-coding variants

Open access
Fu, Wenqing, O’Connor, Timothy D., Jun, Goo, Kang, Hyun Min, Abecasis, Goncalo, Leal, Suzanne M., Gabriel, Stacey, Rieder, Mark J., Altshuler, David, Shendure, Jay, Nickerson, Deborah A., Bamshad, Michael J., NHLBI Exome Sequencing Project, Akey, Joshua M.·2013·Nature

Abstract

Establishing the age of each mutation segregating in contemporary human populations is important to fully understand our evolutionary history and will help to facilitate the development of new approaches for disease-gene discovery. Large-scale surveys of human genetic variation have reported signatures of recent explosive population growth, notable for an excess of rare genetic variants, suggesting that many mutations arose recently. To more quantitatively assess the distribution of mutation ages, we resequenced 15,336 genes in 6,515 individuals of European American and African American ancestry and inferred the age of 1,146,401 autosomal single nucleotide variants (SNVs). We estimate that approximately 73% of all protein-coding SNVs and approximately 86% of SNVs predicted to be deleterious arose in the past 5,000–10,000 years. The average age of deleterious SNVs varied significantly across molecular pathways, and disease genes contained a significantly higher proportion of recently arisen deleterious SNVs than other genes. Furthermore, European Americans had an excess of deleterious variants in essential and Mendelian disease genes compared to African Americans, consistent with weaker purifying selection due to the Out-of-Africa dispersal. Our results better delimit the historical details of human protein-coding variation, show the profound effect of recent human history on the burden of deleterious SNVs segregating in contemporary populations, and provide important practical information that can be used to prioritize variants in disease-gene discovery.

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Research works printed but not linked: 16

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Metadata

Authors
Fu, W., O’Connor, T. D., Jun, G., Kang, H. M., Abecasis, G., Leal, S. M., Gabriel, S., Rieder, M. J., Altshuler, D., Shendure, J., Nickerson, D. A., Bamshad, M. J., NHLBI Exome Sequencing Project, & Akey, J. M.
Venue
Nature
Published
2012-11-28
Volume
493
Issue
7431
Pages
216-220
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2146973661
Cited by
949
References
11
FWCI
60.41
Type
journal article
Language
en
Update notices
erratum (2013-03-13)
Open access
green
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CoChat. (2026). Citation check: Analysis of 6,515 exomes reveals the recent origin of most human protein-coding variants. https://app.cochat.ai/papers/10.1038/nature11690
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Fu, W., O’Connor, T. D., Jun, G., Kang, H. M., Abecasis, G., Leal, S. M., Gabriel, S., Rieder, M. J., Altshuler, D., Shendure, J., Nickerson, D. A., Bamshad, M. J., NHLBI Exome Sequencing Project, & Akey, J. M. (2013). Analysis of 6,515 exomes reveals the recent origin of most human protein-coding variants. Nature. https://doi.org/10.1038/nature11690

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