Sputum bacterial load and bacterial composition correlate with lung function and are altered by long-term azithromycin treatment in children with HIV-associated chronic lung disease/Experiment 2

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Needs review Marked as Needs review by Chloe on 2024-6-20

Curated date: 2023/10/12

Curator: Chinelsy

Revision editor(s): Chinelsy, Peace Sandy

Subjects

Location of subjects
Malawi
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
Sputum Expectoration,Sputum,sputum
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Azithromycin (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-15-oxo-11-,10q24.1-q25.1,aritromicina,Azenil,Azifast,Azigram,Azimakrol,azithromycine,azithromycinum,Azitromin,AZM,Hemomycin,InChIKey=MQTOSJVFKKJCRP-BICOPXKEBK,Zithromax,Zmax,Azithromycin,azithromycin
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Placebo at 72 weeks
Group 1 name Corresponds to the case (exposed) group for case-control studies
AZM at 72 weeks
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Participants with HIV-associated Chronic Lung Disease (HCLD) who received azithromycin (AZM)
Group 0 sample size Number of subjects in the control (unexposed) group
117
Group 1 sample size Number of subjects in the case (exposed) group
123
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
NIL

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
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
DESeq2
ANCOM
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
Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
age, sex

Alpha Diversity

Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged

Signature 1

Needs review Marked as Needs review by Chloe on 2024-6-20

Curated date: 2023/10/12

Curator: Chinelsy

Revision editor(s): Chloe, Peace Sandy, Davvve, Chinelsy

Source: Tables S6 and S7

Description: Table S 6. Results of differential abundance testing of bacterial taxa from AZM and Placebo samples from 72 weeks using DESeq2.

Table S 7. Results of differential abundance testing of bacterial taxa from AZM and Placebo samples from 72 weeks using Ancom-II

Abundance in Group 1: increased abundance in AZM at 72 weeks

NCBI Quality ControlLinks
Lautropia
Treponema

Revision editor(s): Chloe, Peace Sandy, Davvve, Chinelsy