Cited by 222Genomics and Rare DiseasesGenetic Associations and EpidemiologyForensic and Genetic Research

Identification of a large set of rare complete human knockouts

Sulem, Patrick, Helgason, Hannes, Oddson, Asmundur, Stefansson, Hreinn, Gudjonsson, Sigurjon A, Zink, Florian, Hjartarson, Eirikur, Sigurdsson, Gunnar Th +11 more·2015·Nature Genetics

Abstract

Loss-of-function mutations cause many mendelian diseases. Here we aimed to create a catalog of autosomal genes that are completely knocked out in humans by rare loss-of-function mutations. We sequenced the whole genomes of 2,636 Icelanders and imputed the sequence variants identified in this set into 101,584 additional chip-genotyped and phased Icelanders. We found a total of 6,795 autosomal loss-of-function SNPs and indels in 4,924 genes. Of the genotyped Icelanders, 7.7% are homozygotes or compound heterozygotes for loss-of-function mutations with a minor allele frequency (MAF) below 2% in 1,171 genes (complete knockouts). Genes that are highly expressed in the brain are less often completely knocked out than other genes. Homozygous loss-of-function offspring of two heterozygous parents occurred less frequently than expected (deficit of 136 per 10,000 transmissions for variants with MAF <2%, 95% confidence interval (CI) = 10-261).

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Crossref · 10.1038/ng.3243

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Authors
Sulem, P., Helgason, H., Oddson, A., Stefansson, H., Gudjonsson, S. A., Zink, F., Hjartarson, E., Sigurdsson, G. T., Jonasdottir, A., Jonasdottir, A., Sigurdsson, A., Magnusson, O. T., Kong, A., Helgason, A., Holm, H., Thorsteinsdottir, U., Masson, G., Gudbjartsson, D. F., & Stefansson, K.
Affiliations
deCODE Genetics (Iceland) (IS)
Corresponding author
Sulem, Patrick
Venue
Nature Genetics
Published
2015-03-25
Volume
47
Issue
5
Pages
448-452
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2078889486
Cited by
220
References
37
Citations by year
2026: 5 · 2025: 14 · 2024: 10 · 2023: 13 · 2022: 14 · 2021: 10 · 2020: 15 · 2019: 24 · 2018: 22 · 2017: 36 · 2016: 35 · 2015: 22
FWCI
26.69
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • Hirsla (Landspítali University Hospital) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
  • 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
loss-of-function mutations, homozygous mutation, compound heterozygosity, rare variants, monogenic disorders, autosomal genes, brain gene expression, Icelandic population
MeSH terms
Brain, Female, Gene Frequency, Heterozygote, Homozygote, Humans, Male, Organ Specificity, Gene Expression, Genome, Human, Open Reading Frames, Sequence Analysis, DNA, Polymorphism, Single Nucleotide, INDEL Mutation, Gene Ontology

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