Decreased microbial co-occurrence network stability and SCFA receptor level correlates with obesity in African-origin women/Experiment 4

From BugSigDB


Needs review

Curated date: 2024/11/18

Curator: Aleru Divine

Revision editor(s): Aleru Divine

Subjects

Location of subjects
United States of America
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
Obesity Adiposis,Adiposity,Obese,Obese (finding),obesity,Obesity (disorder),Obesity [Ambiguous],obesity disease,obesity disorder,Obesity NOS,Obesity, unspecified,Overweight and obesity,Obesity
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Lean Americans (UL)
Group 1 name Corresponds to the case (exposed) group for case-control studies
Obese Americans(UO)
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Participants in the Obese Americans (UO) group were women from America with body mass index (BMI) > 25 kg/m2.
Group 0 sample size Number of subjects in the control (unexposed) group
13
Group 1 sample size Number of subjects in the case (exposed) group
37

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).
raw counts
Statistical test
Linear 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
Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
age

Alpha Diversity

Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged
Chao1 Abundance-based estimator of species richness
unchanged
Inverse Simpson Modification of Simpsons index D as 1/D to obtain high values in datasets of high diversity and vice versa
unchanged

Signature 1

Needs review

Curated date: 2024/11/18

Curator: Aleru Divine

Revision editor(s): Aleru Divine

Source: Figure S4

Description: Sequences with significantly different levels across the groups: GL (Ghana Lean), GO (Ghana Obese), UL (USA Lean), and UO (USA Obese)

Abundance in Group 1: increased abundance in Obese Americans(UO)

NCBI Quality ControlLinks
Oscillospiraceae
Bacteroides
Segatella copri
Eubacteriales
Collinsella aerofaciens

Revision editor(s): Aleru Divine

Signature 2

Needs review

Curated date: 2024/11/18

Curator: Aleru Divine

Revision editor(s): Aleru Divine

Source: Figure S4

Description: Sequences with significantly different levels across the groups: GL (Ghana Lean), GO (Ghana Obese), UL (USA Lean), and UO (USA Obese).

Abundance in Group 1: decreased abundance in Obese Americans(UO)

NCBI Quality ControlLinks
Oscillospiraceae
Oscillospira

Revision editor(s): Aleru Divine