Gut microbiota composition differences are associated with geographic location and age in malaria-endemic regions of Rwanda/Experiment 2

From BugSigDB


Needs review

Curated date: 2025/09/05

Curator: Martha KJ

Revision editor(s): Martha KJ

Subjects

Location of subjects
Rwanda
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
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Western Province
Group 1 name Corresponds to the case (exposed) group for case-control studies
Eastern Province
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Participants from the Eastern province of Rwanda
Group 0 sample size Number of subjects in the control (unexposed) group
50
Group 1 sample size Number of subjects in the case (exposed) group
73
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
Yes

Lab analysis

Sequencing type
16S
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).
raw counts
Statistical test
ANCOM
PERMANOVA
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
Matched on Factors on which subjects have been matched on in a case-control study
age
Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
age, diet

Alpha Diversity

Pielou Quantifies how equal the community is numerically
unchanged
Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged
Chao1 Abundance-based estimator of species richness
unchanged
Simpson Estimator of species richness and species evenness: more weight on species evenness
unchanged
Inverse Simpson Modification of Simpsons index D as 1/D to obtain high values in datasets of high diversity and vice versa
unchanged
Richness Number of species
unchanged
Faith Phylogenetic diversity, takes into account phylogenetic distance of all taxa identified in a sample
unchanged

Signature 1

Needs review

Curated date: 2025/09/05

Curator: Martha KJ

Revision editor(s): Martha KJ

Source: Figure 2B

Description: Phylum enriched in Eastern province compared to Western province, identified by ANCOM-BC

Abundance in Group 1: increased abundance in Eastern Province

NCBI Quality ControlLinks
Bacteria
Sutterellaceae
Tyzzerella
Verrucomicrobiota
Eubacterium xylanophilum
lachnospiraceae NK4B4lachnospiraceae NK4B4

Revision editor(s): Martha KJ

Signature 2

Needs review

Curated date: 2025/09/05

Curator: Martha KJ

Revision editor(s): Martha KJ

Source: Figure 2B

Description: Taxa depleted in Eastern province compared to Western province, identified by ANCOM-BC analysis

Abundance in Group 1: decreased abundance in Eastern Province

NCBI Quality ControlLinks
Bacillota
Coriobacteriaceae
Erysipelotrichaceae

Revision editor(s): Martha KJ