Blue poo: impact of gut transit time on the gut microbiome using a novel marker/Experiment 5
From BugSigDB
Reviewed Marked as Reviewed by Svetlana up on 2025-3-27
Subjects
- Location of subjects
- United Kingdom
- United States of America
- 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
- Increased intestinal transit time Increased intestinal transit time,increased intestinal transit time
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- C1-Fast Gut Transit Time
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- C3 - Normal Gut Transit Time
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- This group represents individuals with a gut transit time of 38–58 hours, distinguishing them as the slower segment within the normal range.
- Group 0 sample size Number of subjects in the control (unexposed) group
- 79
- Group 1 sample size Number of subjects in the case (exposed) group
- 186
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- 3 months
Lab analysis
- Sequencing type
- WMS
- 16S variable region One or more hypervariable region(s) of the bacterial 16S gene
- Not specified
- 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
- Mann-Whitney (Wilcoxon)
- Significance threshold p-value or FDR threshold used for differential abundance testing (if any)
- 0.01
- MHT correction Have statistical tests be corrected for multiple hypothesis testing (MHT)?
- Yes
Alpha Diversity
- Simpson Estimator of species richness and species evenness: more weight on species evenness
- increased
- Richness Number of species
- increased
Signature 1
Reviewed Marked as Reviewed by Svetlana up on 2025-3-27
Source: Fig. 3B
Description: Relative abundances for the four gut transit time classes in PREDICT 1
Abundance in Group 1: increased abundance in C3 - Normal Gut Transit Time
| NCBI | Quality Control | Links |
|---|---|---|
| Bacteroides uniformis |
Revision editor(s): Joiejoie
