Strain Profile
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Bacteroides acidifaciens
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Human-origin
Where this strain was first isolated, curated from the literature and culture-collection catalogs. It describes provenance only — not suitability, and not benefit.
How we classify this →
Sequenced
Whether a public genome assembly is linked for this strain. Without one the genome screens cannot run. It is not a verdict on the organism.
How we classify this →
Public genome assembly available
Bacteroides acidifaciens is a strict anaerobic bacterium naturally present in the mammalian gut microbiota. Research has identified it as a component of healthy human and murine microbiota and examined its association with metabolic health in animal models, including studies of dietary intervention effects and its relative abundance in gastrointestinal disease states.
Where it's been studied Tags come from a conservative keyword scan of each paper's title, abstract, and summary. A tag is research coverage, not measured effect. How we classify this →
Share of this strain's 169 body-system-tagged papers that concern each system. Research coverage, not measured effect.
Symptoms in the research A tag means the paper's text names the symptom or condition — research coverage, not evidence of benefit. How we classify this →
Share of this strain's 65 symptom-tagged papers that mention each symptom or condition. Research coverage, not evidence of benefit.
Research Study-type filters use AI-classified labels, audited but not guaranteed — check the paper itself before leaning on one. How we classify this →
190 papers reference this strain in the probiotic database.
Match confidence
How strongly this paper was matched to this strain when the corpus was linked. It orders the list — it says nothing about the study's quality or its findings.
How we classify this →
2026
ANIMAL
2026
ANIMAL
2026
OTHER
2026
ANIMAL
2026
ANIMAL
2026
OTHER
2025
ANIMAL
2025
ANIMAL
2025
OTHER
2025
ANIMAL
2025
ANIMAL
2025
ANIMAL
2025
ANIMAL
2025
OTHER
2025
OTHER
2025
ANIMAL
2024
ANIMAL
2024
OTHER
2024
OTHER
2024
ANIMAL
Browse all 190 papers →
Reviewer #3 (Public review): The type VI secretion system governs strain maintenance in a wild mammalian gut microbiome
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The type VI secretion system governs strain maintenance in a wild mammalian gut microbiome
· eLife
Bacteroides acidifaciens exacerbates cardiac ischemia/reperfusion injury via the microbial-host isozyme DPP4
· Cell Host & Microbe
P1321 Emulsifier carboxymethylcellulose ameliorates high-fat diet-associated colitis via inhibition of deoxycholic acid and regulation of mitochondrial oxidative phosphorylation of colonic macrophages
· Journal of Crohn s and Colitis
Reviewer #2 (Public review): The type VI secretion system governs strain maintenance in a wild mammalian gut microbiome
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Identification of Bacteroides acidifaciens as an Arabinoxylan-Responsive Gut Bacterium Using D-Amino Acid Metabolic Probe Technology
· Journal of Agricultural and Food Chemistry
Dietary fibre-adapted gut microbiome clears dietary fructose and reverses hepatic steatosis
· Nature Metabolism
Image 1_Sex-dependent modulation of acute respiratory distress syndrome by Bacteroides acidifaciens: gut microbiome impact on lung inflammation.jpeg
· Figshare
Culture‐Independent Species‐Level Taxonomic and Functional Characterisation of Bacteroides, the Core Bacterial Genus Within Reptile Guts
· Molecular Ecology
The gut microbe Bacteroides acidifaciens ameliorates CCl4-induced liver fibrosis
· European Journal of Pharmacology
Sex-Dependent Modulation of Dss-Induced Colitis and Seb-Induced ARDS by Bacteroides Acidifaciens
· Scholar Commons (University of South Carolina)
Sex-dependent modulation of acute respiratory distress syndrome by Bacteroides acidifaciens: gut microbiome impact on lung inflammation
· Frontiers in Immunology
Image 2_Sex-dependent modulation of acute respiratory distress syndrome by Bacteroides acidifaciens: gut microbiome impact on lung inflammation.jpeg
· Figshare
Restoration of gut integrity by Bacteroides acidifaciens in water-deprived conditions
· Biochemical and Biophysical Research Communications
Bacteroides acidifaciens Miyamoto and Itoh 2000
· BacDive
Bacteroides acidifaciens alleviates high-fat diet-induced obesity-related osteoporosis by regulating gut microbiota and bile acid metabolism via the gut-bone axis
· Microbiological Research
O29 Gut epithelial barrier dysfunction in lupus triggers a differential humoral response against commensals
· Oral Presentations
Bacteroides acidifaciens drives a liver detox program
· Cell Host & Microbe
Dietary fiber alleviates alcoholic liver injury via Bacteroides acidifaciens and subsequent ammonia detoxification
· Cell Host & Microbe
Regulation of Bacteroides acidifaciens by the aryl hydrocarbon receptor in IL-22-producing immune cells has sex-dependent consequential impact on colitis
· Frontiers in Immunology
Discussion
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Citations
Selected papers that name this strain.
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[1]
Source →Sex-Dependent Modulation of Dss-Induced Colitis and Seb-Induced ARDS by Bacteroides Acidifaciens· Scholar Commons (University of South Carolina) · 2025
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[2]
PMID 39468026 →Galactooligosaccharides and Limosilactobacillus reuteri synergistically alleviate gut inflammation and barrier dysfunction by enriching Bacteroides acidifaciens for pentadecanoic acid biosynthesis· Nature Communications · 2024
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[3]
PMID 35572528 →Propionic Acid, Induced in Gut by an Inulin Diet, Suppresses Inflammation and Ameliorates Liver Ischemia and Reperfusion Injury in Mice· Frontiers in Immunology · 2022
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[4]
PMID 32332136 →A Soluble Fiber Diet Increases Bacteroides fragilis Group Abundance and Immunoglobulin A Production in the Gut· Applied and Environmental Microbiology · 2020
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[5]
Source →Indole-3-carbinol ameliorates murine colitis symptoms through alterations in gut microbial composition and metabolomic pathways, particularly through decreasing disease-associated Bacteroides acidifaciens species.· The Journal of Immunology · 2017
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[6]
PMID 28892827 →Role of Microbiota in Strengthening Ocular Mucosal Barrier Function Through Secretory IgA· Investigative Ophthalmology & Visual Science · 2017