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MetabolomicsGut Bacteroides act in a microbial consortium to cause susceptibility to severe malaria

Malaria, caused by Plasmodium species, remains a significant cause of morbidity and mortality globally. Gut bacteria can influence the severity of malaria, but the contribution of specific bacteria to the risk of severe malaria is unknown. Here, multiomics approaches demonstrate specific...

2023-09-13 | MTBLS3449 | MetaboLights
MetabolomicsNon-redundant cardiolipin synthase family proteins shape lipid composition and stress resilience in Bacteroides fragilis

Gut-resident bacteria must withstand membrane-disrupting stresses such as bile acids to persist in the intestinal environment. The Bacteroidota are a dominant phylum of the human gut microbiota. However, the genes responsible for synthesis of membrane lipids in this phylum remain relatively uncha...

2026-10-06 | MTBLS11891 | MetaboLights
TranscriptomicsExpression analysis of Bacteroides fragilis NCTC 9343 delta-ungD1 delta-ungD2 delta-PSH acapsular mutant
Investigation of whole genome gene expression level changes in a Bacteroides fragilis NCTC 9343 delta-ungD1 delta-ungD2 delta-PSH triple mutant, compared to the wild-type strain. The mutations engineered into this strain render it acapsular. The mutants analyzed in this study are further described...
ORGANISM(S): Bacteroides fragilis NCTC 9343 
2008-09-02 | E-GEOD-11268 | biostudies-arrayexpress
MetabolomicsMonocolonization with Bacteroides thetaiotaomicron exerts region-specific effects on Alzheimer’s disease-related traits in the murine brain

Bacteroides thetaiotaomicron (B. theta) dominates the gut microbiome of most mammals. This strictly anaerobic gut symbiont colonizes the mucus layer of host intestinal epithelial cells in both healthy and diseased conditions. Reduced neuronal and vagal afferent innervation observed in ge...

2025-12-15 | MTBLS12896 | MetaboLights
TranscriptomicsCis-encoded sRNAs repress expression of polysaccharide utilization loci in Bacteroides fragilis 638R
The phylum Bacteroidetes is a major component of the human gut microbiota which has a broad impact on the development and physiology of its host, and a potential role in a wide range of disease syndromes1-3. The predominance of Bacteroidetes and the genus Bacteroides in the distal gut is due in larg...
ORGANISM(S): Bacteroides fragilis 638R 
2016-07-22 | E-GEOD-73107 | biostudies-arrayexpress
MetabolomicsEnterotoxigenic Bacteroides fragilis Exacerbates Alcoholic Liver Disease by Driving Host Metabolic Reprogramming via the Tryptophan-Kynurenine-Retinol Pathway

Background & Aims: Alcoholic liver disease (ALD) is a major public health concern. Gut dysbiosis plays a critical role in its pathogenesis, yet the specific microbial and functional shifts driving ALD progression require further elucidation. This study aims to characterize these alterations a...

2026-01-10 | MTBLS13649 | MetaboLights
MetabolomicsEnterotoxigenic Bacteroides fragilis Exacerbates Alcoholic Liver Disease by Driving Host Metabolic Reprogramming via the Tryptophan-Kynurenine-Retinol Pathway

Background & Aims: Alcoholic liver disease (ALD) is a major public health concern. Gut dysbiosis plays a critical role in its pathogenesis, yet the specific microbial and functional shifts driving ALD progression require further elucidation. This study aims to characterize these alterations a...

2026-01-10 | MTBLS13650 | MetaboLights
MetabolomicsEnterotoxigenic Bacteroides fragilis Exacerbates Alcoholic Liver Disease by Driving Host Metabolic Reprogramming via the Tryptophan-Kynurenine-Retinol Pathway

Background & Aims: Alcoholic liver disease (ALD) is a major public health concern. Gut dysbiosis plays a critical role in its pathogenesis, yet the specific microbial and functional shifts driving ALD progression require further elucidation. This study aims to characterize these alterations a...

2026-02-06 | MTBLS13858 | MetaboLights
MetabolomicsMulti-Omics Unveils Strain-Specific Neuroactive Metabolite Production Linked to Inflammation Modulation by Bacteroides and Their Vesicles

18 Bacteroidetes isoaltes were analyzed for their neuroactive potentail using un-targeted and targeted metabolomics. The bacteria were grown to stationary phase, the supernatant was separated and purified using 0.22 um filter. The metabolome from the supernatant was extracted using standard Metha...

2025-08-12 | MTBLS10526 | MetaboLights
MetabolomicsBacteroides uniformis degrades β-glucan to promote Lactobacillus johnsonii improving indole-3-lactic acid levels in alleviating colitis

The gut microbiota plays a crucial role in the onset and progression of inflammatory bowel disease (IBD). β-glucan (BG), a soluble dietary fiber widely present in oats, barley, fungi, yeast and some bacteria, has multiple bioactive properties such as mitigating intestinal inflammation; however, t...

2024-02-12 | MTBLS8950 | MetaboLights
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