IBS-associated phylogenetic unbalances of the intestinal microbiota are not reverted by probiotic supplementation/Experiment 1
From BugSigDB
Reviewed Marked as Reviewed by Atrayees on 2023-6-30
Curated date: 2021/07/17
Curator: Kwekuamoo
Revision editor(s): WikiWorks, LGeistlinger, Kwekuamoo, Atrayees
Subjects
- Location of subjects
- Italy
- Host species Species from which microbiome was sampled. Contact us to have more species added.
- Homo sapiens
- Body site Anatomical site where microbial samples were extracted from according to the Uber Anatomy Ontology
- Feces Cow dung,Cow pat,Droppings,Dung,Excrement,Excreta,Faeces,Fecal material,Fecal matter,Fewmet,Frass,Guano,Matières fécales@fr,Merde@fr,Ordure,Partie de la merde@fr,Piece of shit,Porción de mierda@es,Portion of dung,Portion of excrement,Portion of faeces,Portion of fecal material,Portion of fecal matter,Portion of feces,Portion of guano,Portion of scat,Portionem cacas,Scat,Spoor,Spraint,Stool,Teil der fäkalien@de,Feces,feces
- Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
- Irritable bowel syndrome [X]Psychogenic IBS,Adaptive colitis,Colitides, Mucous,Colitis, Mucous,Colon spasm,Colon, Irritable,Functional bowel disease,IBD,IBS,IBS - Irritable bowel syndrome,IC - Irritable colon,Irritable bowel,Irritable bowel - IBS,irritable bowel syndrome,Irritable Bowel Syndromes,Irritable Colon,irritable colon,Irritable colon (disorder),Irritable colon - Irritable bowel syndrome,Irritable colon syndrome,Membranous colitis,Mucous Colitides,Mucous colitis,mucus colitis,Nervous colitis,Psychogenic IBS,psychogenic IBS,Spastic colitis,Spastic colon,spastic colon,Syndrome, Irritable Bowel,Syndromes, Irritable Bowel,Irritable bowel syndrome
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Healthy Control
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- IBS
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Fulfilled the Rome III criteria for the diagnosis of IBS.
- Group 0 sample size Number of subjects in the control (unexposed) group
- 24
- Group 1 sample size Number of subjects in the case (exposed) group
- 19
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- 2 months
Lab analysis
- Sequencing type
- 16S
- 16S variable region One or more hypervariable region(s) of the bacterial 16S gene
- V2-V3
- Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
- HTF-Microbi.Array
Statistical Analysis
- Data transformation Data transformation applied to microbial abundance measurements prior to differential abundance testing (if any).
- relative abundances
- Statistical test
- Kruskall-Wallis
- Significance threshold p-value or FDR threshold used for differential abundance testing (if any)
- 0.05
- MHT correction Have statistical tests be corrected for multiple hypothesis testing (MHT)?
- Yes
- Matched on Factors on which subjects have been matched on in a case-control study
- sex, age
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
- Richness Number of species
- unchanged
Signature 1
Reviewed Marked as Reviewed by Atrayees on 2023-6-30
Source: Table 1.
Description: Bacterial groups significantly altered in IBS subjects (IBS; Constipation IBS, C-IBS; Diarrhea IBS, D-IBS; Mixed IBS, M-IBS), with respect to healthy subjects (HS)
Abundance in Group 1: increased abundance in IBS
Revision editor(s): Kwekuamoo
Signature 2
Reviewed Marked as Reviewed by Atrayees on 2023-6-30
Source: Table 1.
Description: Bacterial groups significantly altered in IBS subjects (IBS; Constipation IBS, C-IBS; Diarrhea IBS, D-IBS; Mixed IBS, M-IBS), with respect to healthy subjects (HS)
Abundance in Group 1: decreased abundance in IBS
| NCBI | Quality Control | Links |
|---|---|---|
| Bacteroides | ||
| Veillonella | ||
| Prevotella |
