Gut microbiome signatures reflect different subtypes of irritable bowel syndrome/Experiment 4

From BugSigDB


Reviewed Marked as Reviewed by Folakunmi on 2024-2-6

Curated date: 2023/10/26

Curator: ChiomaBlessing

Revision editor(s): ChiomaBlessing, Folakunmi

Subjects

Location of subjects
Canada
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
Depressive disorder depression,melancholia,melancholias,mental depression,syndrome, depressive,syndromes, depressive,Depressive disorder,depressive disorder
Group 0 name Corresponds to the control (unexposed) group for case-control studies
IBS patients without depression
Group 1 name Corresponds to the case (exposed) group for case-control studies
IBS patients with depression in all three subtypes (IBS-D, IBS-C and IBS-U)
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
IBS patients with depression in all three subtypes (IBS-D, IBS-C and IBS-U)
Group 0 sample size Number of subjects in the control (unexposed) group
134
Group 1 sample size Number of subjects in the case (exposed) group
134
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
6 months

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
MaAsLin2
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
Matched on Factors on which subjects have been matched on in a case-control study
age, alcohol drinking, body mass index, diet, geographic area, sex
Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
age, alcohol drinking, diet, sex

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 Folakunmi on 2024-2-5

Curated date: 2023/10/26

Curator: ChiomaBlessing

Revision editor(s): ChiomaBlessing, Atrayees

Source: Figure 3C, Results (text)

Description: Differential microbial abundance between IBS patients with depression in all three subtypes (IBS-D, IBS-C and IBS-U) and IBS patients without depression

Abundance in Group 1: decreased abundance in IBS patients with depression in all three subtypes (IBS-D, IBS-C and IBS-U)

NCBI Quality ControlLinks
Bifidobacterium
Butyricimonas
Sutterella
Butyricicoccaceae

Revision editor(s): ChiomaBlessing, Atrayees

Signature 2

Reviewed Marked as Reviewed by Folakunmi on 2024-2-5

Curated date: 2023/10/27

Curator: ChiomaBlessing

Revision editor(s): ChiomaBlessing

Source: Figure 3C, Results (text)

Description: Differential microbial abundance between IBS patients with depression in all three subtypes (IBS-D, IBS-C and IBS-U) and IBS patients without depression

Abundance in Group 1: increased abundance in IBS patients with depression in all three subtypes (IBS-D, IBS-C and IBS-U)

NCBI Quality ControlLinks
Proteus

Revision editor(s): ChiomaBlessing