The penile microbiota of Black South African men: relationship with human papillomavirus and HIV infection/Experiment 3

From BugSigDB


Needs review

Curated date: 2024/11/04

Curator: KateRasheed

Revision editor(s): KateRasheed

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
Skin of penis Penile skin,Penis skin,Penis zone of skin,Zone of skin of penis,Skin of penis,skin of penis
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Human immunodeficiency virus AIDS virus,HIV,Human immunodeficiency virus,human immunodeficiency virus
Group 0 name Corresponds to the control (unexposed) group for case-control studies
HIV - negative
Group 1 name Corresponds to the case (exposed) group for case-control studies
HIV - positive
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
HIV - positive refers to individuals infected with Human Immunodeficiency Virus.
Group 0 sample size Number of subjects in the control (unexposed) group
150
Group 1 sample size Number of subjects in the case (exposed) group
88

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
LEfSe
Significance threshold p-value or FDR threshold used for differential abundance testing (if any)
0.2
MHT correction Have statistical tests be corrected for multiple hypothesis testing (MHT)?
Yes
LDA Score above Threshold for the linear discriminant analysis (LDA) score for studies using the popular LEfSe tool
2

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
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

Signature 1

Needs review

Curated date: 2024/11/04

Curator: KateRasheed

Revision editor(s): KateRasheed

Source: Fig. 6

Description: Significant differentially abundant taxa between HIV positive and negative individuals.

Abundance in Group 1: decreased abundance in HIV - positive

NCBI Quality ControlLinks
unclassified Actinomycetales

Revision editor(s): KateRasheed