PreprintCited by 93Forensic and Genetic ResearchEvolution and Genetic DynamicsPleistocene-Era Hominins and Archaeology

Detecting ancient positive selection in humans using extended lineage sorting

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Peyrégne, Stéphane, Boyle, Michael James, Dannemann, Michael, Prüfer, Kay·2017·Genome Research

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Abstract

Natural selection that affected modern humans early in their evolution has likely shaped some of the traits that set present-day humans apart from their closest extinct and living relatives. The ability to detect ancient natural selection in the human genome could provide insights into the molecular basis for these human-specific traits. Here, we introduce a method for detecting ancient selective sweeps by scanning for extended genomic regions where our closest extinct relatives, Neandertals and Denisovans, fall outside of the present-day human variation. Regions that are unusually long indicate the presence of lineages that reached fixation in the human population faster than expected under neutral evolution. Using simulations, we show that the method is able to detect ancient events of positive selection and that it can differentiate those from background selection. Applying our method to the 1000 Genomes data set, we find evidence for ancient selective sweeps favoring regulatory changes and present a list of genomic regions that are predicted to underlie positively selected human specific traits.

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Authors
Peyrégne, S., Boyle, M. J., Dannemann, M., & Prüfer, K.
Affiliations
Max Planck Institute for Evolutionary Anthropology (DE)
Corresponding author
  • Peyrégne, Stéphane
  • Prüfer, Kay
Venue
Genome Research
Published
2017-07-18
Volume
27
Issue
9
Pages
1563-1572
ISSN
  • 1088-9051 (ISSN-L)
  • 1549-5469
OpenAlex
W2952656771
Cited by
93
References
76
Citations by year
2026: 5 · 2025: 10 · 2024: 10 · 2023: 5 · 2022: 11 · 2021: 16 · 2020: 13 · 2019: 9 · 2018: 10 · 2017: 4
Type
posted content
Language
en
Open access
Licence
cc-by
Locations
  • Genome Research (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion, cc-by)
  • HighWire Press Open Archive (submittedVersion)
Funders
  • Max Planck Society
  • Paul G. Allen Family foundation
  • European Research Council (694707)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Forensic and Genetic Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
  • Social Sciences › Anthropology › Pleistocene-Era Hominins and Archaeology
Keywords
selective sweeps, Neanderthals, Denisovans, human evolution, human-specific traits, regulatory evolution, background selection, human genome, 1000 Genomes Project
MeSH terms
Animals, Genetics, Population, Humans, Selection, Genetic, Hominidae, Genome, Human, Evolution, Molecular, Neanderthals

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