Faecal microbiota and cytokine profiles of rural Cambodian infants linked to diet and diarrhoeal episodes/Experiment 3

From BugSigDB


Reviewed Marked as Reviewed by Svetlana up on 2024-12-19

Curated date: 2024/12/19

Curator: KateRasheed

Revision editor(s): 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
Sample treatment protocol Sample treatment protocol,sample treatment protocol
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Frozen Samples
Group 1 name Corresponds to the case (exposed) group for case-control studies
Deoxyribonucleic Acid Shield (DNA Shield)
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Deoxyribonucleic Acid Shield (DNA Shield) is a reagent that preserves the genetic integrity of samples during collection, transport, and storage.
Group 0 sample size Number of subjects in the control (unexposed) group
70
Group 1 sample size Number of subjects in the case (exposed) group
94

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
V1-V2
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
Mann-Whitney (Wilcoxon)
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
increased
Inverse Simpson Modification of Simpsons index D as 1/D to obtain high values in datasets of high diversity and vice versa
increased

Signature 1

Reviewed Marked as Reviewed by Svetlana up on 2024-12-19

Curated date: 2024/12/19

Curator: KateRasheed

Revision editor(s): KateRasheed

Source: Fig. 1D, 1F, 1G

Description: Differences in genus abundance between paired frozen samples and DNAShield stored samples.

Abundance in Group 1: increased abundance in Deoxyribonucleic Acid Shield (DNA Shield)

NCBI Quality ControlLinks
Bacteroides
Parabacteroides
Lachnoclostridium

Revision editor(s): KateRasheed

Signature 2

Reviewed Marked as Reviewed by Svetlana up on 2024-12-19

Curated date: 2024/12/19

Curator: KateRasheed

Revision editor(s): KateRasheed

Source: Fig. 1E, H-K

Description: Differences in genus abundance between paired frozen samples and DNAShield stored samples.

Abundance in Group 1: decreased abundance in Deoxyribonucleic Acid Shield (DNA Shield)

NCBI Quality ControlLinks
Escherichia
Bifidobacterium
Streptococcus
Enterococcus
Actinomyces

Revision editor(s): KateRasheed