Abstract
The authors argue that population structure per se is not a problem in genome-wide association studies — the true sources are the environment and the genetic background, and the latter is greatly underappreciated. They conclude that mixed models effectively address this issue.
This is a preview of subscription content, access via your institution
Relevant articles
Open Access articles citing this article.
-
Population structure discovery in meta-analyzed microbial communities and inflammatory bowel disease using MMUPHin
Genome Biology Open Access 03 October 2022
-
A framework for research into continental ancestry groups of the UK Biobank
Human Genomics Open Access 29 January 2022
Access options
Subscribe to this journal
Receive 12 print issues and online access
$189.00 per year
only $15.75 per issue
Rent or buy this article
Prices vary by article type
from$1.95
to$39.95
Prices may be subject to local taxes which are calculated during checkout
References
Lander, E. S. & Schork, N. J. Science 265, 2037–2048 (1994).
Devlin, B. & Roeder, K. Biometrics 55, 997–1004 (1999).
Pritchard, J. K. et al. Am. J. Hum. Genet. 67, 170–181 (2000).
Price, A. L. et al. Nature Genet. 38, 904–909 (2006).
Lynch, M. & Walsh, B. Genetics and Analysis of Quantitative Traits (Sinauer Associates, 1998).
Fisher, R. A. Trans. R. Soc. Edinb. 52, 399–433 (1918).
Haseman, J. K. & Elston, R. C. Behav. Genet. 2, 3–19 (1972).
Henderson, C. R. Applications of Linear Models in Animal Breeding (Univ. Guelph Press, 1984).
Yu, J. et al. Nature Genet. 38, 203–208 (2006).
Zhao, K. et al. PLoS Genet. 3, e4 (2007).
Kang, H. M. et al. Nature Genet. 42, 348–354 (2010).
Price, A. L. et al. Nature Rev. Genet. 11, 459–463 (2010).
Yang, J. et al. Nature Genet. 42, 565–569 (2010).
Segura, V. et al. Nature Genet. 44, 825–830 (2012).
Zaitlen, N. & Kraft, P. Hum. Genet. 131, 1655–1664 (2012).
Zuk, O. et al. Proc. Natl Acad. Sci. USA 109, 1193–1198 (2012).
Atwell, S. et al. Nature 465, 627–631 (2010).
Platt, A., Vilhjálmsson, B. J. & Nordborg, M. Genetics 186, 1045–1052 (2010).
Dickson, S. P. et al. PLoS Biol. 8, e1000294 (2010).
Huang, X. et al. Nature Genet. 42, 961–967 (2010).
Listgarten, J. et al. Nature Methods 9, 525–526 (2012).
Zhou, X., Carbonetto, P. & Stephens, M. Preprint at arXiv [online], (2012).
Deary, I. J. et al. Nature 482, 212–215 (2012).
Korte, A. et al. Nature Genet. 44, 1066–1071 (2012).Article
Acknowledgements
We thank E. Buckler, D. Balding, P. Donnelly, A. Hancock, I. Hellmann, M. Horton, A. Korte, Q. Long, D. Meng, N. Patterson, A. Platt, A. Price, V. Segura, O. Stegle and Q. Zhang for discussions and/or comments on the manuscript. We are especially grateful to A. Price for sharing the observation that mixed models can explain a substantial fraction of the phenotypic covariance in randomly generated individuals. Remaining errors or omissions are our responsibility. This work was supported by US National Institutes of Health grant HG002790, European Research Council grant AdG-268962 and the Gregor Mendel Institute. We apologize to authors whose work could not be cited owing to space constraints.
Author information
Authors and Affiliations
Corresponding authors
Ethics declarations
Competing interests
The authors declare no competing financial interests.
Related links
Rights and permissions
About this article
Cite this article
Vilhjálmsson, B., Nordborg, M. The nature of confounding in genome-wide association studies. Nat Rev Genet 14, 1–2 (2013). https://doi.org/10.1038/nrg3382
Published:
Issue Date:
DOI: https://doi.org/10.1038/nrg3382
This article is cited by
-
A framework for research into continental ancestry groups of the UK Biobank
Human Genomics (2022)
-
Population structure discovery in meta-analyzed microbial communities and inflammatory bowel disease using MMUPHin
Genome Biology (2022)
-
Navigating the pitfalls of applying machine learning in genomics
Nature Reviews Genetics (2022)
-
Genes, exposures, and interactions on preterm birth risk: an exploratory study in an Argentine population
Journal of Community Genetics (2022)
-
Revisiting a GWAS peak in Arabidopsis thaliana reveals possible confounding by genetic heterogeneity
Heredity (2021)