Faecal microbiota of schoolchildren is associated with nutritional status and markers of inflammation: a double-blinded cluster-randomized controlled trial using multi-micronutrient fortified rice/Experiment 3

From BugSigDB


Needs review

Curated date: 2024/12/15

Curator: Joiejoie

Revision editor(s): Joiejoie

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
Vitamin A deficiency deficiencies, vitamin A,deficiency, vitamin A,vitamin A deficiencies,Vitamin A Deficiency,vitamin A deficiency,vitamin A deficiency (disease),Vitamin A deficiency
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Sufficient vitamin A
Group 1 name Corresponds to the case (exposed) group for case-control studies
Vitamin A deficiency
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
This group includes children diagnosed with Vitamin A deficiency with level less than 20 micrograms per deciliter [mcg/dL]
Group 0 sample size Number of subjects in the control (unexposed) group
350
Group 1 sample size Number of subjects in the case (exposed) group
30
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
30 days

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)
0.05
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
2.0
Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
age, sex

Alpha Diversity

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

Signature 1

Needs review

Curated date: 2024/12/16

Curator: Joiejoie

Revision editor(s): Joiejoie

Source: Figure 2 C

Description: Differential ASVs between the children grouped according to Vitamin A deficiency.

Abundance in Group 1: increased abundance in Vitamin A deficiency

NCBI Quality ControlLinks
Desulfovibrionaceae
Roseburia
_Eubacterium_ruminantiumgroup_Eubacterium_ruminantiumgroup
Lachnospiraceae
UBA1819UBA1819
_Eubacterium_siraeumgroup_Eubacterium_siraeumgroup
Romboutsia
unidentified

Revision editor(s): Joiejoie

Signature 2

Needs review

Curated date: 2024/12/16

Curator: Joiejoie

Revision editor(s): Joiejoie

Source: Figure 2 C

Description: Differential ASVs between the children grouped according to Vitamin A deficiency

Abundance in Group 1: decreased abundance in Vitamin A deficiency

NCBI Quality ControlLinks
Gordonibacter
Romboutsia
unidentified
LactobacillaceaeLactobacillaceae

Revision editor(s): Joiejoie