The impact of small intestinal bacterial overgrowth on the efficacy of fecal microbiota transplantation in patients with chronic constipation/Experiment 3

From BugSigDB


Reviewed Marked as Reviewed by Svetlana up on 2025-3-24

Curated date: 2025/03/21

Curator: Miss Lulu

Revision editor(s): Miss Lulu

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
Small intestine Anterior intestine,Intestinum tenue,Mid intestine,Small bowel,Small intestine,small intestine
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Response to transplant Response to transplant,response to transplant
Group 0 name Corresponds to the control (unexposed) group for case-control studies
NegI0-small intestine sample in Small intestinal bacterial overgrowth group (Non-SIBO group) at pre-FMT
Group 1 name Corresponds to the case (exposed) group for case-control studies
POSI0-small intestine sample in Small intestinal bacterial overgrowth group (SIBO group) at pre-FMT
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Small intestinal bacterial overgrowth (SIBO) group before FMT
Group 0 sample size Number of subjects in the control (unexposed) group
130
Group 1 sample size Number of subjects in the case (exposed) group
88
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
Extensive antibiotic use

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
2

Alpha Diversity

Shannon Estimator of species richness and species evenness: more weight on species richness
increased

Signature 1

Reviewed Marked as Reviewed by Svetlana up on 2025-3-24

Curated date: 2025/03/21

Curator: Miss Lulu

Revision editor(s): Miss Lulu

Source: Figure 5A

Description: Gut microbiota differences between the small intestinal microbiota of two groups were identified with a LEfSe analysis with an LDA score threshold >2.0.

Abundance in Group 1: decreased abundance in POSI0-small intestine sample in Small intestinal bacterial overgrowth group (SIBO group) at pre-FMT

NCBI Quality ControlLinks
Acidobacteriota
Anaerostipes
Candidatus Obscuribacter
Chryseobacterium
Deinococcus geothermalis
Devosia
Devosiaceae
Eggerthia
Eggerthia catenaformis
Eubacteriales
Geminicoccaceae
Gemmatimonadota
Gracilibacter
Gracilibacteraceae
Lachnospiraceae bacterium NK3A20
Psychrobacter sanguinis
Salinarimonas sp.
Sphaerochaeta
Prevotellaceae_UCG-001Prevotellaceae_UCG-001

Revision editor(s): Miss Lulu

Signature 2

Reviewed Marked as Reviewed by Svetlana up on 2025-3-24

Curated date: 2025/03/21

Curator: Miss Lulu

Revision editor(s): Miss Lulu

Source: Figure 5A

Description: Gut microbiota differences between the small intestinal microbiota of two groups were identified with a LEfSe analysis with an LDA score threshold >2.0.

Abundance in Group 1: increased abundance in POSI0-small intestine sample in Small intestinal bacterial overgrowth group (SIBO group) at pre-FMT

NCBI Quality ControlLinks
Deinococci
Deinococcota
Lachnospiraceae
Lachnospirales
Meiothermus
Sphingomonadaceae
Sphingomonadales
Sphingomonas
Thermaceae
Thermales

Revision editor(s): Miss Lulu