Evolution of the Gut Microbiome in HIV-Exposed Uninfected and Unexposed Infants during the First Year of Life/Experiment 1

From BugSigDB


Reviewed Marked as Reviewed by Atrayees on 2023-6-2

Curated date: 2023/03/09

Curator: BLESSING123

Revision editor(s): BLESSING123, Mcarlson, Folakunmi

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
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
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
HIV mother to child transmission HIV MTCT,HIV mother to child transmission,hIV mother to child transmission
Group 0 name Corresponds to the control (unexposed) group for case-control studies
HIV-unexposed infants (HUU) at 6 weeks
Group 1 name Corresponds to the case (exposed) group for case-control studies
HIV-exposed uninfected infants (HEU) at 6 weeks
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
In utero-HIV exposed uninfected infants (HEU) at 6 weeks
Group 0 sample size Number of subjects in the control (unexposed) group
78
Group 1 sample size Number of subjects in the case (exposed) group
76
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
Infants that did not pass the sequence quality control, those on antibiotics, and HEU infants on Bactrim after 6 weeks of birth.

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).
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
Chao1 Abundance-based estimator of species richness
unchanged
Richness Number of species
unchanged

Signature 1

Reviewed Marked as Reviewed by Atrayees on 2023-6-2

Curated date: 2023/03/09

Curator: BLESSING123

Revision editor(s): BLESSING123

Source: Figure 2d

Description: Genera with significantly different relative abundances between HEU and HUU at 6-weeks.

Abundance in Group 1: increased abundance in HIV-exposed uninfected infants (HEU) at 6 weeks

NCBI Quality ControlLinks
Barnesiella
Blautia
Eggerthella
Odoribacter
Sneathia
unclassified Bacillota
unclassified Oscillospiraceae

Revision editor(s): BLESSING123

Signature 2

Reviewed Marked as Reviewed by Atrayees on 2023-6-2

Curated date: 2023/03/09

Curator: BLESSING123

Revision editor(s): BLESSING123

Source: Figure 2d

Description: Genera with significantly different relative abundances between HEU and HUU at 6-weeks.

Abundance in Group 1: decreased abundance in HIV-exposed uninfected infants (HEU) at 6 weeks

NCBI Quality ControlLinks
Candidatus Saccharibacteria genomosp. TM7-H1
Catenibacterium
Enterobacter
Megamonas
unclassified Bacteroidota

Revision editor(s): BLESSING123