Gut microbiome profiling of a rural and urban South African cohort reveals biomarkers of a population in lifestyle transition/Experiment 4

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Reviewed Marked as Reviewed by Svetlana up on 2024-6-18

Curated date: 2024/03/24

Curator: Ehi

Revision editor(s): WikiWorks, Deacme, Scholastica, Victoria, Ehi, Ifeanyisam

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
Lean female subjects in both cohorts
Group 1 name Corresponds to the case (exposed) group for case-control studies
Obese female subjects in both cohorts
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Obese female subjects in both the Bushbuckridge and Soweto cohorts.
Group 0 sample size Number of subjects in the control (unexposed) group
30
Group 1 sample size Number of subjects in the case (exposed) group
106

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).
raw counts
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

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

Reviewed Marked as Reviewed by Svetlana up on 2024-6-18

Curated date: 2024/03/24

Curator: Ehi

Revision editor(s): Ehi, Deacme, WikiWorks

Source: Figure 5d and Supplementary Table 2D

Description: Phylum and Genus level inter-cohort differential abundance between lean and obese groups (BMI differences).

Abundance in Group 1: increased abundance in Obese female subjects in both cohorts

NCBI Quality ControlLinks
Intestinimonas
Prevotella
Bacillota
Bacteroidota

Revision editor(s): Ehi, Deacme, WikiWorks