Alterations in Intestinal Microbiota Correlate With Susceptibility to Type 1 Diabetes/Experiment 2

From BugSigDB


Needs review

Curated date: 2025/02/24

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
Autoantibody measurement Autoantibody measurement,autoantibody measurement
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Unrelated control (CO)
Group 1 name Corresponds to the case (exposed) group for case-control studies
Seropositive (Ab+) and Seronegative (Ab−)
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Participants with and without autoantibodies.
Group 0 sample size Number of subjects in the control (unexposed) group
16
Group 1 sample size Number of subjects in the case (exposed) group
38
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
1 month

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).
relative abundances
Statistical test
Mann-Whitney (Wilcoxon)
Significance threshold p-value or FDR threshold used for differential abundance testing (if any)
0.1
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, sex, Confounders controlled for: "autoantibody presence" is not in the list (abnormal glucose tolerance, acetaldehyde, acute graft vs. host disease, acute lymphoblastic leukemia, acute myeloid leukemia, adenoma, age, AIDS, alcohol consumption measurement, alcohol drinking, ...) of allowed values.autoantibody presence, Confounders controlled for: "Human leukocyte antigens (HLA) genotype" is not in the list (abnormal glucose tolerance, acetaldehyde, acute graft vs. host disease, acute lymphoblastic leukemia, acute myeloid leukemia, adenoma, age, AIDS, alcohol consumption measurement, alcohol drinking, ...) of allowed values.Human leukocyte antigens (HLA) genotype

Alpha Diversity

Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged

Signature 1

Needs review

Curated date: 2025/02/24

Curator: Aleru Divine

Revision editor(s): Aleru Divine

Source: Table 2, Figure 2 and Supplementary Table 1

Description: Results from Wilcoxon rank-based tests after adjustment for covariates indicating the pairwise comparisons for the genera with a statistically significant difference across the groups.

Abundance in Group 1: increased abundance in Seropositive (Ab+) and Seronegative (Ab−)

NCBI Quality ControlLinks
Catenibacterium
Lactobacillus
Prevotellaceae
Staphylococcus
Thalassospira
unclassified Bacteroidota
Rikenellaceae RC9 gut groupRikenellaceae RC9 gut group

Revision editor(s): Aleru Divine