Cited by 717Forensic and Genetic ResearchGenetic Associations and EpidemiologyEvolution and Genetic Dynamics

Signals of recent positive selection in a worldwide sample of human populations

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Pickrell, Joseph K., Coop, Graham, Novembre, John, Kudaravalli, Sridhar, Li, Jun Z., Absher, Devin, Srinivasan, Balaji S., Barsh, Gregory S. +3 more·2009·Genome Research

Abstract

Genome-wide scans for recent positive selection in humans have yielded insight into the mechanisms underlying the extensive phenotypic diversity in our species, but have focused on a limited number of populations. Here, we present an analysis of recent selection in a global sample of 53 populations, using genotype data from the Human Genome Diversity-CEPH Panel. We refine the geographic distributions of known selective sweeps, and find extensive overlap between these distributions for populations in the same continental region but limited overlap between populations outside these groupings. We present several examples of previously unrecognized candidate targets of selection, including signals at a number of genes in the NRG–ERBB4 developmental pathway in non-African populations. Analysis of recently identified genes involved in complex diseases suggests that there has been selection on loci involved in susceptibility to type II diabetes. Finally, we search for local adaptation between geographically close populations, and highlight several examples.

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Crossref · 10.1101/gr.087577.108

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  • Skin pigmentation has a complex evolutionary history, with selection acting on different genes at different times and geographic locations.

    “In addition, the picture emerging from the genetic data suggests that skin pigmentation has a complex evolutionary history, with selection acting on different genes at different times and geographic locations (McEvoy et al. 2006;Lao et al. 2007;Myles et al. 2007;Norton et al. 2007;Pickrell et al. 2009).”

    From The timing of pigmentation lightening in Europeans (2013) · cites this paper as Pickrell et al. 2009

    The Pigmentation section reports selection signals at several pigmentation genes that vary by region, and says light pigmentation in East Asia appears to have evolved largely through genes separate from those identified in European or African-American samples. It describes recent selection but does not establish that selection acted on different genes at different times. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • KITLG derived alleles associated with lighter pigmentation reach high frequencies both in European and East Asian populations and likely began to be selected in a proto Eurasian population.

    “Some genes, such as KITLG, have derived alleles (associated with lighter pigmentation) that reach high frequencies both in European and East Asian populations and likely began to be selected in a proto Eurasian population (Lao et al. 2007;Williamson et al. 2007;Pickrell et al. 2009).”

    From The timing of pigmentation lightening in Europeans (2013) · cites this paper as Pickrell et al. 2009

    The Pigmentation section (page unavailable) reports strong evidence of selection at KITLG in all non-African populations, and Novel selection candidates (page unavailable) links a nearby presumed selection target to skin pigmentation. Our copy does not establish that the lighter-pigmentation alleles are derived and at high frequency in both Europeans and East Asians, or that selection began in a proto-Eurasian population. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Recent theoretical work has shown that independent evolution may be an important determinant of geographic patterns of adaptation and could explain the observed scarcity of continental-wide sweeps in human populations, even when selective pressures are homogeneous.

    “Recent theoretical work (Ralph and Coop 2010) has shown that independent evolution may be an important determinant of geographic patterns of adaptation and could explain the observed scarcity of continental-wide sweeps in human populations (Coop et al. 2009;Pickrell et al. 2009), even when selective pressures are homogeneous.”

    From The timing of pigmentation lightening in Europeans (2013) · cites this paper as Pickrell et al. 2009

    The Assessment of power section reports limited sharing of selection signals between some geographic regions, supporting the observation that many signals are geographically restricted. It also reports extensive sharing within geographic regions, so it does not clearly establish a scarcity of sweeps spanning an entire continent. The theoretical explanation is attributed to Ralph and Coop (2010), not to this paper. (LLM, conf=0.76)

    Experimental — accuracy not yet measured
  • The frequency of the Asn (risk) allele varies considerably among populations (0%-60%).

    “The frequency of the Asn (risk) allele varies considerably among populations (0%-60%) (10,14).”

    From The N342S MYLIP polymorphism is associated with high total cholesterol and increased LDL receptor degradation in humans (2011) · cites this paper as [14]

    The Disease susceptibility and other quantitative phenotypes section (page unavailable) identifies a risk allele at SH2B3 and reports that its region differs between Europe and East Asia. It does not identify that allele as Asn or give a population-frequency range of 0%–60%, so those specific parts of the claim are unsupported by our copy. (LLM, conf=0.72)

    Experimental — accuracy not yet measured
  • Different genes are responsible for the reduction of melanin content in Europeans and East Asians.

    “suggesting that different genes are responsible for the reduction of melanin content in Europeans and East Asians (McEvoy et al. 2006;Lao et al. 2007;Myles et al. 2007;Norton et al. 2007;Pickrell et al. 2009).”

    From The timing of pigmentation lightening in Europeans (2013) · cites this paper as Pickrell et al. 2009

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Authors
Pickrell, J. K., Coop, G., Novembre, J., Kudaravalli, S., Li, J. Z., Absher, D., Srinivasan, B. S., Barsh, G. S., Myers, R. M., Feldman, M. W., & Pritchard, J. K.
Affiliations
  • University of Chicago (US)
  • University of California, Los Angeles (US)
  • University of Michigan (US)
  • Stanford University (US)
  • HudsonAlpha Institute for Biotechnology (US)
  • Howard Hughes Medical Institute (US)
Venue
Genome Research
Published
2009-03-23
Volume
19
Issue
5
Pages
826-837
ISSN
1088-9051 (ISSN-L)
OpenAlex
W2098460741
Cited by
717
References
98
Citations by year
2026: 9 · 2025: 11 · 2024: 15 · 2023: 16 · 2022: 21 · 2021: 41 · 2020: 30 · 2019: 31 · 2018: 37 · 2017: 35 · 2016: 50 · 2015: 61 · 2014: 72 · 2013: 61 · 2012: 75
Type
posted content
Language
en
Open access
Licence
other-oa
Locations
  • Genome Research (publishedVersion, other-oa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Science Foundation (0619926)
  • Howard Hughes Medical Institute
  • University of Chicago
  • National Institutes of Health
  • National Institute of General Medical Sciences (GM28016, R01GM028016)
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 › Evolution and Genetic Dynamics
Keywords
selective sweeps, human genetic variation, local adaptation, non-African populations
MeSH terms
Diabetes Mellitus, Type 2, Genetics, Population, Humans, Phenotype, Selection, Genetic, Genome, Human, Genetic Predisposition to Disease, Neuregulins, Genome-Wide Association Study, ErbB Receptors, Receptor, ErbB-4

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