Metagenomic Analysis Reveals Large-Scale Disruptions of the Gut Microbiome in Parkinson's Disease/Experiment 3

From BugSigDB


Reviewed Marked as Reviewed by Svetlana up on 2025-3-3

Curated date: 2025/02/27

Curator: KateRasheed

Revision editor(s): KateRasheed

Subjects

Location of subjects
Canada
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
Parkinson's disease IDIOPATHIC PARKINSON DIS,Idiopathic Parkinson Disease,Idiopathic Parkinson's Disease,IDIOPATHIC PARKINSONS DIS,Idiopathic PD,LEWY BODY PARKINSON DIS,Lewy Body Parkinson Disease,Lewy Body Parkinson's Disease,Paralysis agitans,paralysis agitans,PARKINSON DIS,PARKINSON DIS IDIOPATHIC,Parkinson disease,Parkinson Disease, Idiopathic,Parkinson syndrome,Parkinson's,Parkinson's disease,Parkinson's disease (disorder),Parkinson's disease NOS,Parkinson's disease NOS (disorder),Parkinson's Disease, Idiopathic,Parkinson's Disease, Lewy Body,Parkinson's syndrome,Parkinsonian disorder,Parkinsonism, Primary,Parkinsons,PARKINSONS DIS,PARKINSONS DIS IDIOPATHIC,PARKINSONS DIS LEWY BODY,Parkinsons disease,Primary Parkinsonism,parkinson's disease
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Healthy Controls (Ctrl)
Group 1 name Corresponds to the case (exposed) group for case-control studies
Parkinson’s disease patients (PD patients)
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Parkinson’s disease patients (PD patients) refers to participants with PD; who had developed motor symptoms ≤12 years before initial study participation (mean, 6 ± 3 years).
Group 0 sample size Number of subjects in the control (unexposed) group
100
Group 1 sample size Number of subjects in the case (exposed) group
176
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
3 months

Lab analysis

Sequencing type
WMS
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
Not specified
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).
centered log-ratio
Statistical test
Kruskall-Wallis
MaAsLin2
ANCOM-BC
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
Matched on Factors on which subjects have been matched on in a case-control study
age
Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
sex, sequence read depth, Confounders controlled for: "laxative use" 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.laxative use


Signature 1

Reviewed Marked as Reviewed by Svetlana up on 2025-3-3

Curated date: 2025/02/27

Curator: KateRasheed

Revision editor(s): KateRasheed

Source: Fig. 2A

Description: Differentially abundance of species between healthy controls and PD patients using ANCOM-BC, MaAsLin2, and ALDEx2 (after controlling for confounders).

Abundance in Group 1: increased abundance in Parkinson’s disease patients (PD patients)

NCBI Quality ControlLinks
Coprococcus catus
Ruthenibacterium lactatiformans
Alistipes indistinctus
Blautia obeum

Revision editor(s): KateRasheed

Signature 2

Reviewed Marked as Reviewed by Svetlana up on 2025-3-3

Curated date: 2025/02/27

Curator: KateRasheed

Revision editor(s): KateRasheed

Source: Fig. 2A

Description: Differentially abundance of species between healthy controls and PD patients using ANCOM-BC, MaAsLin2, and ALDEx2 (after controlling for confounders).

Abundance in Group 1: decreased abundance in Parkinson’s disease patients (PD patients)

NCBI Quality ControlLinks
Roseburia inulinivorans
Roseburia intestinalis
Blautia wexlerae

Revision editor(s): KateRasheed