Cited by 548Forensic and Genetic ResearchGenetic Associations and EpidemiologyGenetic diversity and population structure

Recent Explosive Human Population Growth Has Resulted in an Excess of Rare Genetic Variants

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Keinan, Alon, Clark, Andrew G.·2012·Science

Abstract

Exponential Growth Effects: Humans are an extraordinarily successful species, as measured by our large population size—approximately 7 billion—much of which can be put down to recent explosive growth. Leveraging human genomic data, Keinan and Clark (p. 740 ) examined the effects of population growth on our ability to detect rare genetic variants, those hypothesized to be most likely associated with disease. It appears that rapid recent growth increases the load of rare variants and is likely to play an important role in the individual genetic burden of complex disease risk.

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  • These genes were targeted by positive selection and did not merely experience a relaxation of constraint or accumulate rare variants as a result of human population size growth.

    “Positively selected sites were detected in genes showing higher median γ values, suggesting that these genes were targeted by positive selection, and did not merely experience a relaxation of constraint or accumulated rare variants as a result of human population size growth47 (Fig. 4).”

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Research works printed but not linked: 2

  1. [19]The ARIC Investigators Am. J. Epidemiol 1989 129 687 2646917
  2. [30]Haub C Popul. Today 1995 23 4 12288594

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Authors
Keinan, A., & Clark, A. G.
Affiliations
Cornell University (US)
Corresponding author
Keinan, Alon
Venue
Science
Published
2012-05-11
Volume
336
Issue
6082
Pages
740-743
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2094608047
Cited by
548
References
39
Citations by year
2026: 8 · 2025: 24 · 2024: 16 · 2023: 20 · 2022: 27 · 2021: 24 · 2020: 30 · 2019: 40 · 2018: 48 · 2017: 31 · 2016: 50 · 2015: 64 · 2014: 61 · 2013: 74 · 2012: 31
FWCI
44.33
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (5p50gm065509-10)
  • National Heart, Lung, and Blood Institute (HL102419, RC2HL102419)
  • National Human Genome Research Institute (R01HG003229, U01HG005715)
  • National Institute of General Medical Sciences (P50-GM065509, GM-065509)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Forensic and Genetic Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
Keywords
rare variants, site frequency spectrum, genetic load, population genetics, sample size effects, genetic burden, demographic history
MeSH terms
Gene Frequency, Genetics, Population, Haplotypes, Heterozygote, Humans, Models, Genetic, Mutation, Population Density, Population Growth, Genetic Variation, Genome, Human, Sequence Analysis, DNA, Sample Size, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, White People, Asian People, Genetic Association Studies

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