Oral microbiome homogeneity across diverse human groups from southern Africa: first results from southwestern Angola and Zimbabwe/Experiment 17

From BugSigDB


Needs review

Curated date: 2024/03/25

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
Himba
Group 1 name Corresponds to the case (exposed) group for case-control studies
Tshwa
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
They traditionally relied on foraging but were forced to leave their hunting grounds in Hwange National Park during the early 20th century, leading to social marginalization.
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
5

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
decreased

Signature 1

Needs review

Curated date: 2024/03/25

Curator: MyleeeA

Revision editor(s): MyleeeA

Source: Supplementary Table 4 and 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 population.

Abundance in Group 1: increased abundance in Tshwa

NCBI Quality ControlLinks
Salmonella
Cedecea
Enterobacter
Citrobacter
Yokenella
Hafnia
Hafnia sp.
Escherichia
Escherichia sp.
Peptostreptococcaceae
Bacteroidia

Revision editor(s): MyleeeA

Signature 2

Needs review

Curated date: 2024/03/25

Curator: MyleeeA

Revision editor(s): MyleeeA

Source: Supplementary Table 4 and 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 population.

Abundance in Group 1: decreased abundance in Tshwa

NCBI Quality ControlLinks
Actinomyces graevenitzii
Arachnia propionica
Lactobacillus
Lactobacillus sp.
Arachnia

Revision editor(s): MyleeeA