The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.
Stressor Exposure Disrupts Commensal Microbial Populations in the Intestines and Leads to Increased Colonization by Citrobacter rodentium
Open accessAbstract
The gastrointestinal tract is colonized by an enormous array of microbes that are known to have many beneficial effects on the host. Previous studies have indicated that stressor exposure can disrupt the stability of the intestinal microbiota, but the extent of these changes, as well as the effects on enteric infection, has not been well characterized. In order to examine the ability of stressors to induce changes in the gut microbiota, we exposed mice to a prolonged restraint stressor and then characterized microbial populations in the intestines using both traditional culture techniques and bacterial tag-encoded FLX amplicon pyrosequencing (bTEFAP). Exposure to the stressor led to an overgrowth of facultatively anaerobic microbiota while at the same time significantly reducing microbial richness and diversity in the ceca of stressed mice. Some of these effects could be explained by a stressor-induced reduction in the relative abundance of bacteria in the family Porphyromonadaceae . To determine whether these alterations would lead to increased pathogen colonization, stressed mice, as well as nonstressed controls, were challenged orally with the enteric murine pathogen Citrobacter rodentium . Exposure to the restraint stressor led to a significant increase in C. rodentium colonization over that in nonstressed control mice. The increased colonization was associated with increased tumor necrosis factor alpha (TNF-α) gene expression in colonic tissue. Together, these data demonstrate that a prolonged stressor can significantly change the composition of the intestinal microbiota and suggest that this disruption of the microbiota increases susceptibility to an enteric pathogen.
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“Similarly, psychosocial stressors can change the composition of the intestinal microbiota and affect the brain-gut axis function (6, 7, 119).”
From Intestinal microbiota and immune function in the pathogenesis of irritable bowel syndrome (2013) · cites this paper as [7]
In the citing paper
“In both a human-associated microbiota43-45 and macroecological46,47 context, higher phylogenetic diversity is associated with greater ecosystem resilience and productivity.”
From Sequencing ancient calcified dental plaque shows changes in oral microbiota with dietary shifts of the Neolithic and Industrial revolutions (2013) · cites this paper as [43]
In the citing paper
“When challenged orally with the enteric murine pathogen C. rodentium, chronically stressed mice had an increased pathogen load and increased colonic TNF-α expression.”
From Signalling cognition: The gut microbiota and hypothalamic-pituitary-adrenal axis (2023) · cites this paper as [359]
In the citing paper
“Mice exposed to prolonged restraint stress demonstrated changes in GM composition, such as bacterial overgrowth and reductions in diversity and richness (359).”
From Signalling cognition: The gut microbiota and hypothalamic-pituitary-adrenal axis (2023) · cites this paper as [359]
In the citing paper
“Probiotics rescued these changes in the GM and the associated host-microbe interactions.”
From Signalling cognition: The gut microbiota and hypothalamic-pituitary-adrenal axis (2023) · cites this paper as [359]
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Metadata
- Authors
- Bailey, M. T., Dowd, S. E., Parry, N. M. A., Galley, J. D., Schauer, D. B., & Lyte, M.
- Affiliations
- The Ohio State University (US)
- Research and Testing Laboratory and Medical Biofilm Research Institute, Lubbock, Texas 79407
- Massachusetts Institute of Technology (US)
- Texas Tech University (US)
- Venue
- Infection and Immunity
- Publisher
- American Society for Microbiology
- Published
- 2010-04
- Volume
- 78
- Issue
- 4
- Pages
- 1509-1519
- ISSN
- 0019-9567 (ISSN-L)
- 1098-5522
- PMC
- PMC2849416
- OpenAlex
- W2143862999
- Cited by
- 335
- References
- 53
- Citations by year
- 2026: 9 · 2025: 10 · 2024: 18 · 2023: 17 · 2022: 26 · 2021: 21 · 2020: 15 · 2019: 19 · 2018: 22 · 2017: 22 · 2016: 26 · 2015: 17 · 2014: 29 · 2013: 27 · 2012: 26
- FWCI
- 10.94
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Infection and Immunity (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Texas Tech University
- National Institute of Allergy and Infectious Diseases (R03AI069097)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
- Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
- Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
- Keywords
- restraint stress, gut microbiota, gut dysbiosis, Citrobacter rodentium, gastrointestinal infections, Porphyromonadaceae, microbial diversity, TNF-alpha gene expression, commensal bacteria, host susceptibility to infection, cecal microbiota
- MeSH terms
- Animals, Bacteria, Enterobacteriaceae Infections, Male, Stress, Physiological, Colony Count, Microbial, Gastrointestinal Tract, Citrobacter rodentium, Biodiversity, Mice
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