Gut microbiota composition and functional prediction in diarrhea-predominant irritable bowel syndrome/Experiment 1

From BugSigDB


Reviewed Marked as Reviewed by Claregrieve1 on 2022/12/31

Curated date: 2021/07/04

Curator: Kwekuamoo

Revision editor(s): WikiWorks, LGeistlinger, Claregrieve1, Kwekuamoo, Victoria

Subjects

Location of subjects
China
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-D
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Individuals aged from 20 to 64 meeting the Rome IV diagnostic criteria [19] for IBS-D
Group 0 sample size Number of subjects in the control (unexposed) group
30
Group 1 sample size Number of subjects in the case (exposed) group
30
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
4 weeks

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
V4
Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
Illumina

Statistical Analysis

Data transformation Data transformation applied to microbial abundance measurements prior to differential abundance testing (if any).
relative abundances
Statistical test
LEfSe
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)?
No
LDA Score above Threshold for the linear discriminant analysis (LDA) score for studies using the popular LEfSe tool
4

Alpha Diversity

Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged
Chao1 Abundance-based estimator of species richness
unchanged
Simpson Estimator of species richness and species evenness: more weight on species evenness
unchanged
Richness Number of species
unchanged

Signature 1

Reviewed Marked as Reviewed by Claregrieve1 on 2022/12/31

Curated date: 2021/07/04

Curator: Kwekuamoo

Revision editor(s): Kwekuamoo, Claregrieve1

Source: Figure 5

Description: Differential microbial abundance between IBS-D patients and controls by LefSe

Abundance in Group 1: increased abundance in IBS-D

NCBI Quality ControlLinks
Actinomycetota
Alloprevotella
Bifidobacteriaceae
Bifidobacterium
Bifidobacterium pseudocatenulatum
Clostridia
Faecalibacterium
Bacillota
Ruminococcus
Clostridiales bacterium
Prevotellamassilia timonensis
Phocaeicola plebeius

Revision editor(s): Kwekuamoo, Claregrieve1

Signature 2

Reviewed Marked as Reviewed by Claregrieve1 on 2022/12/31

Curated date: 2021/07/04

Curator: Kwekuamoo

Revision editor(s): Kwekuamoo, Claregrieve1

Source: Figure 5

Description: Differential microbial abundance between IBS-D patients and controls by LefSe

Abundance in Group 1: decreased abundance in IBS-D

NCBI Quality ControlLinks
Bacilli
Bacteroides fragilis
Enterobacteriaceae
Escherichia coli
Gammaproteobacteria
Lactobacillales
Pseudomonadota
Streptococcaceae
Streptococcus
Enterobacterales

Revision editor(s): Kwekuamoo, Claregrieve1