Cited by 201Escherichia coli research studiesGut microbiota and healthSalmonella and Campylobacter epidemiology

The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.

Virulence factors enhance Citrobacter rodentium expansion through aerobic respiration

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Abstract

Citrobacter rodentium uses a type III secretion system (T3SS) to induce colonic crypt hyperplasia in mice, thereby gaining an edge during its competition with the gut microbiota through an unknown mechanism. Here, we show that by triggering colonic crypt hyperplasia, the C. rodentium T3SS induced an excessive expansion of undifferentiated Ki67-positive epithelial cells, which increased oxygenation of the mucosal surface and drove an aerobic C. rodentium expansion in the colon. Treatment of mice with the γ-secretase inhibitor dibenzazepine to diminish Notch-driven colonic crypt hyperplasia curtailed the fitness advantage conferred by aerobic respiration during C. rodentium infection. We conclude that C. rodentium uses its T3SS to induce histopathological lesions that generate an intestinal microenvironment in which growth of the pathogen is fueled by aerobic respiration.

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Metadata

Authors
Lopez, C. A., Miller, B. M., Rivera-Chávez, F., Velazquez, E. M., Byndloss, M. X., Chávez-Arroyo, A., Lokken, K. L., Tsolis, R. M., Winter, S. E., & Bäumler, A. J.
Affiliations
  • University of California, Davis (US)
  • Department of Medical Microbiology and Immunology, School of Medicine, University of California, Davis, One Shields Avenue, Davis, CA, USA.
  • The University of Texas Southwestern Medical Center (US)
Corresponding author
Bäumler, Andreas J.
Venue
Science
Published
2016-09-16
Volume
353
Issue
6305
Pages
1249-1253
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2519607762
Cited by
201
References
53
Citations by year
2026: 15 · 2025: 19 · 2024: 15 · 2023: 22 · 2022: 19 · 2021: 27 · 2020: 19 · 2019: 24 · 2018: 21 · 2017: 14 · 2016: 5
FWCI
20.54
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
Public Health Service (AI044170, AI096528, AI107393, AI112949, AI098078, AI103248, AI112241, OD010931)
Topics
  • Life Sciences › Immunology and Microbiology › Microbiology › Escherichia coli research studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Salmonella and Campylobacter epidemiology
Keywords
Citrobacter rodentium, type III secretion system, virulence factors, aerobic respiration, intestinal epithelial cell proliferation, Ki-67, Notch signaling, gamma-secretase inhibitors, dibenzazepine, host-pathogen interaction, intestinal oxygenation
MeSH terms
Aerobiosis, Animals, Colitis, Colon, Cytochromes, Dibenzazepines, Enterobacteriaceae Infections, Hyperplasia, Intestinal Mucosa, Mice, Inbred C3H, Mice, Inbred C57BL, Nitrates, Oxidoreductases, Gene Deletion, Ki-67 Antigen, Virulence Factors, Citrobacter rodentium, Electron Transport Chain Complex Proteins, Mice, Receptors, Notch, Amyloid Precursor Protein Secretases

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