ArticleProceedings of the National Academy of Sciences of the United States of America2014
Xylan utilization in human gut commensal bacteria is orchestrated by unique modular organization of polysaccharide-degrading enzymes.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 84 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
84 citing papers in PubMed, 158 citations in OpenAlex.
- Symbiotic bacteria may support calcium carbonate precipitation in the Gulf toadfish.PLoS biology · 2026Article
- Niche specialization and cross-feeding interactions shaping gut microbial fiber degradation in a model omnivore.bioRxiv : the preprint server for biology · 2026Article
- Phylogenetic analysis of xylan-degrading hemicellulases fromFrontiers in microbiology · 2026Article
- [Pentosan polysulfate alleviates cyclophosphamide-induced interstitial cystitis/bladder pain syndrome in mice by modulating gut microbiota and bile acid metabolism].Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2025Article
- Effects of dietary Bacillus velezensis Y01 supplementation on growth performance, immune function, and cecal microbiota of 1 to 42 days Langya chickens.BMC microbiology · 2025Article
- Metabolism of hemicelluloses by root-associated Bacteroidota species.The ISME journal · 2025Article
- Dietary phosphorus restriction induced phospholipid deficiency, endoplasmic reticulum stress, inflammatory response and gut microbiota disorders inFrontiers in immunology · 2025Article
- A social-architecture perspective on gut microbiota dynamics and host physiology.Frontiers in immunology · 2025Review
- Pentosan polysulfate alleviates interstitial cystitis/bladder pain syndrome by modulating bile acid metabolism and activating the TGR5 receptor through gut microbiota regulation.Bladder (San Francisco, Calif.) · 2025Article
- Artificial Intelligence-Assisted Comparative Analysis of the Overlapping Molecular Pathophysiology of Alzheimer's Disease, Amyotrophic Lateral Sclerosis, and Frontotemporal Dementia.International journal of molecular sciences · 2024Article
- Comprehensive analyses of a large human gut Bacteroidales culture collection reveal species- and strain-level diversity and evolution.Cell host & microbe · 2024Article
- Purified fibers in chemically defined synthetic diets destabilize the gut microbiome of an omnivorous insect model.bioRxiv : the preprint server for biology · 2024Article
- Polysaccharide utilization loci encoded DUF1735 likely functions as membrane-bound spacer for carbohydrate active enzymes.FEBS open bio · 2024Article
- A Narrative Review of Intestinal Microbiota's Impact on Migraine with Psychopathologies.International journal of molecular sciences · 2024Review
- Identification of carbohydrate gene clusters obtained from in vitro fermentations as predictive biomarkers of prebiotic responses.BMC microbiology · 2024Article
- Comprehensive analyses of a large human gut Bacteroidales culture collection reveal species and strain level diversity and evolution.bioRxiv : the preprint server for biology · 2024Article
- Purified fibers in chemically defined synthetic diets destabilize the gut microbiome of an omnivorous insect model.Frontiers in microbiomes · 2024Article
- BoGH13ACellular and molecular life sciences : CMLS · 2023Article
- Review
- In Vitro Fermentation of Beechwood Lignin-Carbohydrate Complexes Provides Evidence for Utilization by Gut Bacteria.Nutrients · 2023Article
24 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
9 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Enzymes that degrade dietary and host-derived glycans represent the most abundant functional activities encoded by genes unique to the human gut microbiome. However, the biochemical activities of a vast majority of the glycan-degrading enzymes are poorly understood. Here, we use transcriptome sequencing to understand the diversity of genes expressed by the human gut bacteria Bacteroides intestinalis and Bacteroides ovatus grown in monoculture with the abundant dietary polysaccharide xylan. The most highly induced carbohydrate active genes encode a unique glycoside hydrolase (GH) family 10 endoxylanase (BiXyn10A or BACINT_04215 and BACOVA_04390) that is highly conserved in the Bacteroidetes xylan utilization system. The BiXyn10A modular architecture consists of a GH10 catalytic module disrupted by a 250 amino acid sequence of unknown function. Biochemical analysis of BiXyn10A demonstrated that such insertion sequences encode a new family of carbohydrate-binding modules (CBMs) that binds to xylose-configured oligosaccharide/polysaccharide ligands, the substrate of the BiXyn10A enzymatic activity. The crystal structures of CBM1 from BiXyn10A (1.8 Å), a cocomplex of BiXyn10A CBM1 with xylohexaose (1.14 Å), and the CBM from its homolog in the Prevotella bryantii B14 Xyn10C (1.68 Å) reveal an unanticipated mode for ligand binding. A minimal enzyme mix, composed of the gene products of four of the most highly up-regulated genes during growth on wheat arabinoxylan, depolymerizes the polysaccharide into its component sugars. The combined biochemical and biophysical studies presented here provide a framework for understanding fiber metabolism by an important group within the commensal bacterial population known to influence human health.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.