Understanding of the Site-Specific Microbial Patterns towards Accurate Identification for Patients with Diarrhea-Predominant Irritable Bowel Syndrome/Experiment 4
From BugSigDB
Needs review
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
- Rectal lumen Lumen of rectum,Rectal lumen,rectal lumen
- 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 controls (Rectal lumen samples)
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- IBS-D patients (Rectal lumen samples)
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Patients with diarrhea-dominant irritable bowel syndrome (IBS-D)
- Group 0 sample size Number of subjects in the control (unexposed) group
- 17
- Group 1 sample size Number of subjects in the case (exposed) group
- 74
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- Within one month before the start of this study
Lab analysis
- Sequencing type
- 16S
- 16S variable region One or more hypervariable region(s) of the bacterial 16S gene
- V1-V3
- Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
- Roche454
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)?
- Yes
- LDA Score above Threshold for the linear discriminant analysis (LDA) score for studies using the popular LEfSe tool
- 2.5
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
Signature 1
Needs review
Source: Figure 5A
Description: Site-specific biomarkers detected by LEfSe.
Abundance in Group 1: increased abundance in IBS-D patients (Rectal lumen samples)
| NCBI | Quality Control | Links |
|---|---|---|
| Parabacteroides |
Revision editor(s): Aleru Divine
Signature 2
Needs review
Source: Figure 5A
Description: Site-specific biomarkers detected by LEfSe.
Abundance in Group 1: decreased abundance in IBS-D patients (Rectal lumen samples)
| NCBI | Quality Control | Links |
|---|---|---|
| Faecalibacterium | ||
| Deinococcus |
Revision editor(s): Aleru Divine
