Cited by 55Genetic Associations and EpidemiologyGenetic and phenotypic traits in livestockGenetic Mapping and Diversity in Plants and Animals

Efficient variance components analysis across millions of genomes

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Pazokitoroudi, Ali, Wu, Yue, Burch, Kathryn S., Hou, Kangcheng, Zhou, Aaron, Pasaniuc, Bogdan, Sankararaman, Sriram·2020·Nature Communications

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Abstract

While variance components analysis has emerged as a powerful tool in complex trait genetics, existing methods for fitting variance components do not scale well to large-scale datasets of genetic variation. Here, we present a method for variance components analysis that is accurate and efficient: capable of estimating one hundred variance components on a million individuals genotyped at a million SNPs in a few hours. We illustrate the utility of our method in estimating and partitioning variation in a trait explained by genotyped SNPs (SNP-heritability). Analyzing 22 traits with genotypes from 300,000 individuals across about 8 million common and low frequency SNPs, we observe that per-allele squared effect size increases with decreasing minor allele frequency (MAF) and linkage disequilibrium (LD) consistent with the action of negative selection. Partitioning heritability across 28 functional annotations, we observe enrichment of heritability in FANTOM5 enhancers in asthma, eczema, thyroid and autoimmune disorders.

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  1. [26]Finucane HK Partitioning heritability by functional annotation using genome-wide association summary statistics Nat. Genet. 2015 47 1228 10.1038/ng.3404 26414678 PMC4626285 · DOI · Paper page

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Authors
Pazokitoroudi, A., Wu, Y., Burch, K. S., Hou, K., Zhou, A., Pasaniuc, B., & Sankararaman, S.
Affiliations
University of California, Los Angeles (US)
Corresponding author
Sankararaman, Sriram
Venue
Nature Communications
Published
2020-08-11
Volume
11
Issue
1
Pages
4020-4020
ISSN
2041-1723 (ISSN-L)
OpenAlex
W3048701096
Cited by
55
References
38
Citations by year
2026: 5 · 2025: 15 · 2024: 9 · 2023: 8 · 2022: 6 · 2021: 8 · 2020: 3 · 2019: 1
FWCI
3.66
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • eScholarship (California Digital Library) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
Funders
  • U.S. Department of Health & Human Services | NIH | National Institute of General Medical Sciences (R35GM125055)
  • NSF | Directorate for Computer & Information Science & Engineering | Division of Information and Intelligent Systems (III-1705121)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and phenotypic traits in livestock
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Mapping and Diversity in Plants and Animals
Keywords
variance component analysis, SNP heritability, complex trait genetics, minor allele frequency, linkage disequilibrium, negative selection, asthma, atopic dermatitis, autoimmune disease, thyroid dysfunction
MeSH terms
Alleles, Gene Frequency, Genotype, Humans, Models, Genetic, Phenotype, Genetic Variation, Linkage Disequilibrium, Genome, Human, Quantitative Trait, Heritable, Multifactorial Inheritance, Polymorphism, Single Nucleotide

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