Dysbiosis in the Gut Microbiota in Patients with Inflammatory Bowel Disease during Remission/Experiment 2

From BugSigDB


Needs review

Curated date: 2024/03/24

Curator: Samreen-19

Revision editor(s): Samreen-19

Subjects

Location of subjects
Malta
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
Ulcerative colitis colitis ulcerative,Colitis, Ulcerative,Left-sided ulcerative (chronic) colitis,Left-sided ulcerative colitis,left-sided ulcerative colitis,Other ulcerative colitis,Other ulcerative colitis (disorder),UC - ulcerative colitis,ulcerative colitis,ulcerative colitis (disease),ulcerative colitis (disorder),Ulcerative colitis, unspecified,ULCERATVE COLITIS UNSPCF,Ulcerative colitis
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Healthy controls (HC)
Group 1 name Corresponds to the case (exposed) group for case-control studies
Crohn’s disease (CD)
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Patients with Crohn’s disease (CD) in a state of remission
Group 0 sample size Number of subjects in the control (unexposed) group
97
Group 1 sample size Number of subjects in the case (exposed) group
32
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
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
V1-V2
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
DESeq2
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
Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
age, body mass index, sex

Alpha Diversity

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

Signature 1

Needs review

Curated date: 2024/03/24

Curator: Samreen-19

Revision editor(s): Samreen-19

Source: Appendix Table 5

Description: Analyses of differential abundances at lower taxonomic levels with respect to IBD status/health condition

Abundance in Group 1: increased abundance in Crohn’s disease (CD)

NCBI Quality ControlLinks
Dialister invisus
Flavonifractor plautii
unclassified Dorea
unclassified Oscillospiraceae
unclassified Subdoligranulum
unclassified Escherichia
unclassified Oscillibacter
unclassified Bacteroides
unclassified Acidaminococcus

Revision editor(s): Samreen-19

Signature 2

Needs review

Curated date: 2024/03/24

Curator: Samreen-19

Revision editor(s): Samreen-19

Source: Appendix Table 5

Description: Analyses of differential abundances at lower taxonomic levels with respect to IBD status/health condition

Abundance in Group 1: decreased abundance in Crohn’s disease (CD)

NCBI Quality ControlLinks
unclassified Alistipes
unclassified Coprococcus
unclassified Oxalobacter
Akkermansia muciniphila
unclassified Bacteroides
unclassified Lachnospiraceae
unclassified Oscillibacter
unclassified Eubacteriales
unclassified Anaerostipes
unclassified Faecalibacterium
Haemophilus parainfluenzae
unclassified Sutterella

Revision editor(s): Samreen-19