The Effect of Oral Iron Supplementation on Gut Microbial Composition: a Secondary Analysis of a Double-Blind, Randomized Controlled Trial among Cambodian Women of Reproductive Age/Experiment 1

From BugSigDB


Reviewed Marked as Reviewed by Svetlana up on 2025-1-20

Curated date: 2024/03/23

Curator: Manisha28

Revision editor(s): Manisha28, KateRasheed

Subjects

Location of subjects
Cambodia
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
Iron 26Fe,[Fe],Eisen,fer,ferrum,hierro,InChI=1/Fe,InChIKey=XEEYBQQBJWHFJM-UHFFFAOYAG,iron atom,Iron,iron
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Placebo group - 0 week treatment (Baseline)
Group 1 name Corresponds to the case (exposed) group for case-control studies
Placebo group - 12 weeks treatment
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Placebo group - 12 weeks treatment refers to patients in the placebo group who are receiving 12 weeks treatment.
Group 0 sample size Number of subjects in the control (unexposed) group
47
Group 1 sample size Number of subjects in the case (exposed) group
47
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
12 weeks

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
V6-V8
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
Beta Binomial Regression
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

Pielou Quantifies how equal the community is numerically
unchanged
Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged
Richness Number of species
unchanged
Faith Phylogenetic diversity, takes into account phylogenetic distance of all taxa identified in a sample
unchanged

Signature 1

Reviewed Marked as Reviewed by Svetlana up on 2025-1-20

Curated date: 2024/03/29

Curator: Manisha28

Revision editor(s): Manisha28, KateRasheed

Source: Figure 4, Figure 5

Description: Differentially abundant bacterial Taxa in the Placebo group.

Abundance in Group 1: increased abundance in Placebo group - 12 weeks treatment

NCBI Quality ControlLinks
Enterobacteriaceae
Enterococcus
Escherichia/Shigella sp.

Revision editor(s): Manisha28, KateRasheed

Signature 2

Reviewed Marked as Reviewed by Svetlana up on 2025-1-20

Curated date: 2024/03/29

Curator: Manisha28

Revision editor(s): Manisha28, KateRasheed

Source: Figure 4

Description: Differentially abundant bacterial Taxa in the Placebo group.

Abundance in Group 1: decreased abundance in Placebo group - 12 weeks treatment

NCBI Quality ControlLinks
Weissella

Revision editor(s): Manisha28, KateRasheed