Cited by 1,314Gut microbiota and healthOral microbiology and periodontitis researchGenetic Associations and Epidemiology

Individuality in gut microbiota composition is a complex polygenic trait shaped by multiple environmental and host genetic factors

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Benson, Andrew K., Kelly, Scott A., Legge, Ryan, Ma, Fangrui, Low, Soo Jen, Kim, Jaehyoung, Zhang, Min, Oh, Phaik Lyn +7 more·2010·Proceedings of the National Academy of Sciences

Abstract

In vertebrates, including humans, individuals harbor gut microbial communities whose species composition and relative proportions of dominant microbial groups are tremendously varied. Although external and stochastic factors clearly contribute to the individuality of the microbiota, the fundamental principles dictating how environmental factors and host genetic factors combine to shape this complex ecosystem are largely unknown and require systematic study. Here we examined factors that affect microbiota composition in a large ( n = 645) mouse advanced intercross line originating from a cross between C57BL/6J and an ICR-derived outbred line (HR). Quantitative pyrosequencing of the microbiota defined a core measurable microbiota (CMM) of 64 conserved taxonomic groups that varied quantitatively across most animals in the population. Although some of this variation can be explained by litter and cohort effects, individual host genotype had a measurable contribution. Testing of the CMM abundances for cosegregation with 530 fully informative SNP markers identified 18 host quantitative trait loci (QTL) that show significant or suggestive genome-wide linkage with relative abundances of specific microbial taxa. These QTL affect microbiota composition in three ways; some loci control individual microbial species, some control groups of related taxa, and some have putative pleiotropic effects on groups of distantly related organisms. These data provide clear evidence for the importance of host genetic control in shaping individual microbiome diversity in mammals, a key step toward understanding the factors that govern the assemblages of gut microbiota associated with complex diseases.

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Authors
Benson, A. K., Kelly, S. A., Legge, R., Ma, F., Low, S. J., Kim, J., Zhang, M., Oh, P. L., Nehrenberg, D., Hua, K., Kachman, S. D., Moriyama, E. N., Walter, J., Peterson, D. A., & Pomp, D.
Affiliations
  • University of Nebraska–Lincoln (US)
  • University of North Carolina at Chapel Hill (US)
Venue
Proceedings of the National Academy of Sciences
Published
2010-10-11
Volume
107
Issue
44
Pages
18933-18938
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2092696502
Cited by
1,314
References
58
Citations by year
2026: 36 · 2025: 53 · 2024: 68 · 2023: 82 · 2022: 89 · 2021: 116 · 2020: 99 · 2019: 110 · 2018: 80 · 2017: 98 · 2016: 117 · 2015: 90 · 2014: 89 · 2013: 71 · 2012: 67
FWCI
24.05
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • Lincoln (University of Nebraska) (submittedVersion)
  • UNC Libraries
Funders
  • North Carolina State University
  • Michigan State University
  • University of Nebraska-Lincoln
  • College of Engineering, Michigan State University
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK-076050, RC1DK087346, R01DK076050, DK-056350, P30DK056350)
  • National Institute of Environmental Health Sciences (P30ES010126)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
gut microbiota, host genetics, quantitative trait loci, polygenic traits, C57BL/6J mice, microbial community composition, pleiotropy, host-microbe interactions, environmental factors
MeSH terms
Animals, Bacteria, Breeding, Humans, Intestines, Genetic Linkage, Mice, Inbred ICR, Multifactorial Inheritance, Polymorphism, Single Nucleotide, Quantitative Trait Loci, Mice, Host-Pathogen Interactions, Genome-Wide Association Study

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