Modulating the human gut microbiome and health markers through kombucha consumption: a controlled clinical study/Experiment 3

From BugSigDB


Needs review

Curated date: 2025/02/28

Curator: YokoC

Revision editor(s): YokoC

Subjects

Location of subjects
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
Response to diet Response to diet,response to diet
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Kombucha T-2 (time point 2)
Group 1 name Corresponds to the case (exposed) group for case-control studies
Kombucha T-3 (time point 3)
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Participants on a beige diet, drinking 16 oz of kombucha daily at the end of the treatment, 4 weeks (time point 3).
Group 0 sample size Number of subjects in the control (unexposed) group
8
Group 1 sample size Number of subjects in the case (exposed) group
16
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).
log transformation
Statistical test
ANCOM-BC
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

Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged
Richness Number of species
unchanged

Signature 1

Needs review

Curated date: 2025/03/04

Curator: YokoC

Revision editor(s): YokoC

Source: Figure 4c

Description: Log-fold-change for differentially abundant features at the species level in gut microbiome samples from kombucha treatment subjects at time point 3 vs time point 2.

Abundance in Group 1: increased abundance in Kombucha T-3 (time point 3)

NCBI Quality ControlLinks
Leuconostoc kimchii IMSNU 11154
Weissella soli

Revision editor(s): YokoC

Signature 2

Needs review

Curated date: 2025/03/04

Curator: YokoC

Revision editor(s): YokoC

Source: Figure 4c

Description: Log-fold-change for differentially abundant features at the species level in gut microbiome samples from kombucha treatment subjects at time point 3 vs time point 2.

Abundance in Group 1: decreased abundance in Kombucha T-3 (time point 3)

NCBI Quality ControlLinks
Actinomyces sp. oral taxon 848 str. F0332
Clostridium celatum DSM 1785
Heyndrickxia coagulans CSIL1
Heyndrickxia coagulans XZL4
Lactiplantibacillus paraplantarum
Thermofilum pendens Hrk 5

Revision editor(s): YokoC