Cited by 488Gut microbiota and healthInflammatory Bowel DiseaseMicroscopic Colitis

Commensal Bacteroides Species Induce Colitis in Host-Genotype-Specific Fashion in a Mouse Model of Inflammatory Bowel Disease

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Bloom, Seth M., Bijanki, Vinieth N., Nava, Gerardo M., Sun, Lulu, Malvin, Nicole P., Donermeyer, David L., Dunne, W. Michael, Allen, Paul M. +1 more·2011·Cell Host & Microbe

Abstract

The intestinal microbiota is important for induction of inflammatory bowel disease (IBD). IBD is associated with complex shifts in microbiota composition, but it is unclear whether specific bacterial subsets induce IBD and, if so, whether their proportions in the microbiota are altered during disease. Here, we fulfilled Koch's postulates in host-genotype-specific fashion using a mouse model of IBD with human-relevant disease-susceptibility mutations. From screening experiments we isolated common commensal Bacteroides species, introduced them into antibiotic-pretreated mice, and quantitatively reisolated them in culture. The bacteria colonized IBD-susceptible and -nonsusceptible mice equivalently, but induced disease exclusively in susceptible animals. Conversely, commensal Enterobacteriaceae were >100-fold enriched during spontaneous disease, but an Enterobacteriaceae isolate failed to induce disease in antibiotic-pretreated mice despite robust colonization. We thus demonstrate that IBD-associated microbiota alterations do not necessarily reflect underlying disease etiology. These findings establish important experimental criteria and a conceptual framework for understanding microbial contributions to IBD.

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Crossref · 10.1016/j.chom.2011.04.009

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Authors
Bloom, S. M., Bijanki, V. N., Nava, G. M., Sun, L., Malvin, N. P., Donermeyer, D. L., Dunne, W. M., Allen, P. M., & Stappenbeck, T. S.
Affiliations
Washington University in St. Louis (US)
Corresponding author
Stappenbeck, Thaddeus S.
Venue
Cell Host & Microbe
Publisher
Elsevier BV
Published
2011-05
Volume
9
Issue
5
Pages
390-403
ISSN
1931-3128 (ISSN-L)
OpenAlex
W2003525072
Cited by
488
References
69
Citations by year
2026: 16 · 2025: 26 · 2024: 26 · 2023: 24 · 2022: 49 · 2021: 45 · 2020: 43 · 2019: 42 · 2018: 25 · 2017: 28 · 2016: 29 · 2015: 19 · 2014: 35 · 2013: 29 · 2012: 32
FWCI
14.92
Type
journal article
Language
en
Open access
Locations
  • Cell Host & Microbe (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Eli and Edythe Broad Foundation
  • National Institutes of Health
  • National Institute of Allergy and Infectious Diseases (R01AI024157, 5T32AI0071632, T32AI007163)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK-52574, P30DK052574)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Inflammatory Bowel Disease
  • Health Sciences › Medicine › Epidemiology › Microscopic Colitis
Keywords
inflammatory bowel disease, Bacteroides, commensal bacteria, colitis, host genotype, gut microbiota, Enterobacteriaceae, Koch's postulates, bacterial colonization, etiology
MeSH terms
Animals, Bacteroides, Colitis, Disease Models, Animal, DNA, Bacterial, Genotype, Histocytochemistry, Molecular Sequence Data, Inflammatory Bowel Diseases, Sequence Analysis, DNA, Gastrointestinal Tract, Mice

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