Oral microbiome homogeneity across diverse human groups from southern Africa: first results from southwestern Angola and Zimbabwe/Experiment 2

From BugSigDB


Needs review

Curated date: 2024/03/23

Curator: MyleeeA

Revision editor(s): MyleeeA, Victoria

Subjects

Location of subjects
Angola
Zimbabwe
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
Saliva Sailva normalis,Saliva atomaris,Saliva molecularis,Salivary gland secretion,Saliva,saliva
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Population Population,population
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Kuvale
Group 1 name Corresponds to the case (exposed) group for case-control studies
Himba
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
The Himba are also Bantu-speaking cattle herders of the Herero tradition. They reside in the same coastal lowlands as the Kuvale and share similar environmental conditions.
Group 0 sample size Number of subjects in the control (unexposed) group
7
Group 1 sample size Number of subjects in the case (exposed) group
7

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
V1-V2
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

Signature 1

Needs review

Curated date: 2024/03/23

Curator: MyleeeA

Revision editor(s): MyleeeA

Source: Supplementary Table 4 and 5, Figure 5

Description: Differential abundance (FDR adjusted p_value <0.05) between populations according to DESeq2 analysis. Positive values in the log2FoldChange indicate taxa enriched in the first population of the comparison, and negative values represent taxa enriched in the second one.

Abundance in Group 1: increased abundance in Himba

NCBI Quality ControlLinks
Lactobacillus
Lactobacillus sp.
Arachnia propionica
Arachnia

Revision editor(s): MyleeeA

Signature 2

Needs review

Curated date: 2024/03/23

Curator: MyleeeA

Revision editor(s): MyleeeA

Source: Supplementary Table 4 and 5, Figure 5

Description: Differential abundance (FDR adjusted p_value <0.05) between populations according to DESeq2 analysis. Positive values in the log2FoldChange indicate taxa enriched in the first population of the comparison, and negative values represent taxa enriched in the second one.

Abundance in Group 1: decreased abundance in Himba

NCBI Quality ControlLinks
Cedecea
Citrobacter freundii
Citrobacter koseri
Salmonella
Salmonella sp.
Cedecea davisae

Revision editor(s): MyleeeA