Gut microbiome profiling of a rural and urban South African cohort reveals biomarkers of a population in lifestyle transition/Experiment 3

From BugSigDB


Needs review

Curated date: 2024/03/23

Curator: Ehi

Revision editor(s): Ehi, Deacme

Subjects

Location of subjects
South Africa
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
Lifestyle measurement Lifestyle measurement,lifestyle measurement
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Obese female subjects in Bushbuckridge
Group 1 name Corresponds to the case (exposed) group for case-control studies
Obese female subjects in Soweto
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Obese females in Soweto whose microbiota was studied to understand transitional microbiome differences between subjects in Bushbuckridge and those in Soweto.

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
V3-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
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
HIV infection, sex

Alpha Diversity

Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged
Chao1 Abundance-based estimator of species richness
unchanged

Signature 1

Needs review

Curated date: 2024/03/24

Curator: Ehi

Revision editor(s): Ehi, Deacme

Source: Figure 5c and Supplementary Table 2C

Description: Phylum and Genus level significant differences between obese groups in the Soweto and Bushbuckridge cohorts.

Abundance in Group 1: decreased abundance in Obese female subjects in Soweto

NCBI Quality ControlLinks
Ruminococcus
Bacillota

Revision editor(s): Ehi, Deacme