Cited by 458Evolution and Genetic DynamicsForensic and Genetic ResearchGenetic diversity and population structure

The DOI matches its Crossref record; 80 of the 80 references it cites were found in a registry or an index.

Widespread Genomic Signatures of Natural Selection in Hominid Evolution

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McVicker, Graham, Gordon, David, Davis, Colleen, Green, Phil·2009·PLoS Genetics

Abstract

Selection acting on genomic functional elements can be detected by its indirect effects on population diversity at linked neutral sites. To illuminate the selective forces that shaped hominid evolution, we analyzed the genomic distributions of human polymorphisms and sequence differences among five primate species relative to the locations of conserved sequence features. Neutral sequence diversity in human and ancestral hominid populations is substantially reduced near such features, resulting in a surprisingly large genome average diversity reduction due to selection of 19-26% on the autosomes and 12-40% on the X chromosome. The overall trends are broadly consistent with "background selection" or hitchhiking in ancestral populations acting to remove deleterious variants. Average selection is much stronger on exonic (both protein-coding and untranslated) conserved features than non-exonic features. Long term selection, rather than complex speciation scenarios, explains the large intragenomic variation in human/chimpanzee divergence. Our analyses reveal a dominant role for selection in shaping genomic diversity and divergence patterns, clarify hominid evolution, and provide a baseline for investigating specific selective events.

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Metadata

Authors
McVicker, G., Gordon, D., Davis, C., & Green, P.
Affiliations
  • University of Washington (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
  • McVicker, Graham
  • Green, Phil
Venue
PLoS Genetics
Published
2009-05-08
Volume
5
Issue
5
Pages
e1000471
ISSN
  • 1553-7390 (ISSN-L)
  • 1553-7404
OpenAlex
W2032311106
Cited by
456
References
80
Citations by year
2026: 24 · 2025: 25 · 2024: 37 · 2023: 34 · 2022: 23 · 2021: 29 · 2020: 38 · 2019: 33 · 2018: 33 · 2017: 23 · 2016: 25 · 2015: 25 · 2014: 30 · 2013: 16 · 2012: 25
FWCI
11.83
Type
journal article
Language
en
Open access
Locations
  • PLoS Genetics (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
Funders
  • Howard Hughes Medical Institute
  • Natural Sciences and Engineering Research Council of Canada
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Forensic and Genetic Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
Keywords
natural selection, hominid evolution, human polymorphism, background selection, hitchhiking, X chromosome, human-chimpanzee divergence
MeSH terms
Animals, Pan troglodytes, Humans, Markov Chains, Models, Genetic, Primates, Recombination, Genetic, Selection, Genetic, X Chromosome, Hominidae, Genome, Human, Confidence Intervals, Likelihood Functions, Conserved Sequence, Evolution, Molecular, Polymorphism, Single Nucleotide, Chromosomes, Human, X

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