Cited by 936Genomic variations and chromosomal abnormalitiesGenetic Associations and EpidemiologyForensic and Genetic Research

Integrated detection and population-genetic analysis of SNPs and copy number variation

McCarroll, Steven A, Kuruvilla, Finny G, Korn, Joshua M, Cawley, Simon, Nemesh, James, Wysoker, Alec, Shapero, Michael H, de Bakker, Paul I W +18 more·2008·Nature Genetics

Abstract

Dissecting the genetic basis of disease risk requires measuring all forms of genetic variation, including SNPs and copy number variants (CNVs), and is enabled by accurate maps of their locations, frequencies and population-genetic properties. We designed a hybrid genotyping array (Affymetrix SNP 6.0) to simultaneously measure 906,600 SNPs and copy number at 1.8 million genomic locations. By characterizing 270 HapMap samples, we developed a map of human CNV (at 2-kb breakpoint resolution) informed by integer genotypes for 1,320 copy number polymorphisms (CNPs) that segregate at an allele frequency >1%. More than 80% of the sequence in previously reported CNV regions fell outside our estimated CNV boundaries, indicating that large (>100 kb) CNVs affect much less of the genome than initially reported. Approximately 80% of observed copy number differences between pairs of individuals were due to common CNPs with an allele frequency >5%, and more than 99% derived from inheritance rather than new mutation. Most common, diallelic CNPs were in strong linkage disequilibrium with SNPs, and most low-frequency CNVs segregated on specific SNP haplotypes.

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Crossref · 10.1038/ng.238

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  • Most variants present in an individual human genome are common alleles.

    “In truth, structural variants come in many shapes, sizes and allele frequencies, and a majority of variants present in an individual genome are common alleles (Conrad et al., 2010; McCarroll et al., 2008; Mills et al., 2011; Sudmant et al., 2010).”

    From CNVs: Harbingers of a Rare Variant Revolution in Psychiatric Genetics (2012) · cites this paper as McCarroll et al., 2008

  • Deletion discovery sensitivity was assessed against a gold standard assembled from four earlier surveys.

    “We further assessed the sensitivity of deletion discovery methods by collating data from four earlier surveys1,13,22,28 into a gold standard”

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Authors
McCarroll, S. A., Kuruvilla, F. G., Korn, J. M., Cawley, S., Nemesh, J., Wysoker, A., Shapero, M. H., de Bakker, P. I. W., Maller, J. B., Kirby, A., Elliott, A. L., Parkin, M., Hubbell, E., Webster, T., Mei, R., Veitch, J., Collins, P. J., Handsaker, R., Lincoln, S., Nizzari, M., Blume, J., Jones, K. W., Rava, R., Daly, M. J., Gabriel, S. B., & Altshuler, D.
Affiliations
  • Broad Institute (US)
  • Affymetrix (United States) (US)
  • Massachusetts General Hospital (US)
Corresponding author
  • McCarroll, Steven A
  • Altshuler, David
Venue
Nature Genetics
Published
2008-09-07
Volume
40
Issue
10
Pages
1166-1174
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2047361940
Cited by
936
References
34
Citations by year
2026: 3 · 2025: 7 · 2024: 10 · 2023: 19 · 2022: 12 · 2021: 26 · 2020: 21 · 2019: 24 · 2018: 50 · 2017: 39 · 2016: 39 · 2015: 47 · 2014: 62 · 2013: 72 · 2012: 99
FWCI
76.13
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Forensic and Genetic Research
Keywords
copy number variation, HapMap, population genetics, linkage disequilibrium, novel mutations
MeSH terms
Chromosomes, Human, DNA, Haplotypes, Humans, Genetic Variation, Genome, Human, Polymerase Chain Reaction, Gene Dosage, Oligonucleotide Array Sequence Analysis, Polymorphism, Single Nucleotide, Population Groups

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