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Bacteroides thetaiotaomicron (Bt), a key commensal of the human gut microbiota, exhibits robust capacity to degrade dietary polysaccharides via carbohydrate-active enzymes (CAZymes). However, the exact spatial distribution and the functional coordination of these enzymes remain poor...

2026-03-27 | MTBLS14156 | MetaboLights
This SuperSeries is composed of the following subset Series: GSE11944: Mucosal Glycan Foraging Enhances the Fitness and Transmission of a Saccharolytic Human Distal Gut Symbiont GSE11953: Mucosal Glycan Foraging Enhances the Fitness and Transmission of a Saccharolytic Human Distal Gut Symbiont: ECF ...
ORGANISM(S): Bacteroides thetaiotaomicron 
Analysis of B. thetaiotaomicron trans-envelope signaling mutants in ECF-sigma factors, anti-sigma factors and SusC-like transporters. B. thetaiotaomicron mutants were transcriptionally profiled after growth in vitro in either minimal medium plus glucose or minimal medium plus neutral O-glycans
ORGANISM(S): Bacteroides thetaiotaomicron VPI-5482 
Inhibiting Glycan Degradation Prevents HIV-Induced Inflammaging and Cognitive Impairment
Gene expression profiles of Bacteroides thetaiotaomicron in vitro during growth on host mucosal polysaccharides as sole carbon sources. All substrates in this series are derived from porcine gastric mucin and include mucin O-glycans and glycosaminoglycans. Two different culture formats used: 800ml b...
ORGANISM(S): Bacteroides thetaiotaomicron 
Growth of isogenic parent ('tdk strain'), 5xECF-sigma factor mutant and complemented mutant strain in the cecum of NMRI inbred mice fed a glycan-restricted, 'simple sugar' diet (35% each glucose and sucrose). Bacteria were collected from mouse distal gut 10 days after colonization. Experiment perfor...
ORGANISM(S): Bacteroides thetaiotaomicron 
Cognitive impairment is a frequent outcome of chronic viral infections linked to premature aging, including HIV. The mechanisms underlying this decline remain poorly understood. Here, we identify pro-inflammatory glycan degradation, characterized by loss of sialic acid and galactose, alterations tha...
ORGANISM(S): Mus musculus 
2026-04-08 | GSE308269 | GEO
Bacteroides thetaiotaomicron was grown and transcriptionally profiled on a number of different host mucosal glycans and their component mono- and disaccharides. Experiments are performed in biological duplicate (2 replicates per growth condition). All cultures were harvested at similar points in mid...
ORGANISM(S): Bacteroides thetaiotaomicron 
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