Reduced incidence of Prevotella and other fermenters in intestinal microflora of autistic children/Experiment 4

From BugSigDB


Needs review

Curated date: 2024/12/15

Curator: AlishaM

Revision editor(s): AlishaM

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
Autism spectrum disorder atypical autism,autism spectrum disease,autism spectrum disorder,Autism Spectrum Disorders,autistic spectrum disorder,CHILD DEVELOPMENT DIS PERVASIVE,Child Development Disorders, Pervasive,Development Disorder, Pervasive,Development Disorders, Pervasive,Disorder, Autism Spectrum,Disorder, Pervasive Development,Disorders, Autism Spectrum,Disorders, Pervasive Development,PDD,PERVASIVE CHILD DEVELOPMENT DIS,Pervasive Child Development Disorders,Pervasive Development Disorder,Pervasive Development Disorders,pervasive developmental disorder - not otherwise specified,pervasive developmental disorders,Spectrum Disorder, Autism,Spectrum Disorders, Autism,Autism spectrum disorder
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Neurotypical children
Group 1 name Corresponds to the case (exposed) group for case-control studies
Children with Autism Spectrum Disorder (ASD)
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Children with ASD were assessed with the Autism Diagnostics Interview – Revised (ADI- Revised), Autism Diagnostics Observation Schedule (ADOS), Autism Treatment Evaluation Checklist (ATEC), and Pervasive Developmental Disorder Behavior Inventory (PDD-BI) to ensure that they had a diagnosis of autism.
Group 0 sample size Number of subjects in the control (unexposed) group
20
Group 1 sample size Number of subjects in the case (exposed) group
20
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
V2-V3
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
Linear Regression
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)?
No
Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
age, Confounders controlled for: "gender" 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.gender, Confounders controlled for: "dietary intakes" 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.dietary intakes, Confounders controlled for: "GI problems" 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.GI problems, Confounders controlled for: "autism severity indices" 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.autism severity indices

Alpha Diversity

Chao1 Abundance-based estimator of species richness
decreased
Richness Number of species
decreased

Signature 1

Needs review

Curated date: 2024/12/15

Curator: AlishaM

Revision editor(s): AlishaM

Source: Table 5

Description: Permutation-based test on multivariate regression model with the autistic status and top 10 genera generating the highest AUC.

Abundance in Group 1: decreased abundance in Children with Autism Spectrum Disorder (ASD)

NCBI Quality ControlLinks
Veillonellaceae
Prevotellaceae
Prevotella
Lachnospiraceae
Coprococcus
Paraprevotella

Revision editor(s): AlishaM