Stratification of the Gut Microbiota Composition Landscape across the Alzheimer's Disease Continuum in a Turkish Cohort/Experiment 2
From BugSigDB
Reviewed Marked as Reviewed by Peace Sandy on 2024-2-13
Subjects
- Location of subjects
- Turkey
- 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
- Alzheimer's disease [X]Dementia in Alzheimer's disease,[X]Dementia in Alzheimer's disease (disorder),AD,AD - Alzheimer's disease,Alzheimer Dementia,Alzheimer dementia,Alzheimer Dementia, Presenile,ALZHEIMER DIS,Alzheimer Disease,Alzheimer disease,Alzheimer disease, familial,Alzheimer Type Dementia,Alzheimer's,Alzheimer's Dementia,Alzheimer's dementia,Alzheimer's disease,Alzheimer's disease (disorder),Alzheimer's disease, NOS,Alzheimers,Alzheimers Dementia,Alzheimers dementia,ALZHEIMERS DIS,Alzheimers disease,DAT - Dementia Alzheimer's type,Dementia in Alzheimer's disease,Dementia in Alzheimer's disease (disorder),Dementia in Alzheimer's disease, unspecified (disorder),Dementia of the Alzheimer's type,Dementia, Alzheimer Type,Dementia, Presenile,Dementia, Presenile Alzheimer,Disease, Alzheimer,Disease, Alzheimer's,Presenile Alzheimer Dementia,sporadic Alzheimer's disease,alzheimer's disease
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Non-demented Controls
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Mild Cognitive Impairment group
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Amnestic patients with mild cognitive impairment (MCI)
- Group 0 sample size Number of subjects in the control (unexposed) group
- 51
- Group 1 sample size Number of subjects in the case (exposed) group
- 27
- 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
- V3-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
- Kruskall-Wallis
- 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, sex
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- increased
- Chao1 Abundance-based estimator of species richness
- decreased
- Inverse Simpson Modification of Simpsons index D as 1/D to obtain high values in datasets of high diversity and vice versa
- increased
- Richness Number of species
- increased
Signature 1
Reviewed Marked as Reviewed by Peace Sandy on 2024-2-13
Source: Supplementary Table S2D and Supplementary Table S2B
Description: Differentially Abundant Genus level Taxa Between mild cognitive impairment (MCI) and Non-demented Control (C) groups Detected by Limma-Voom Model (Age and Sex Adjusted)
Abundance in Group 1: increased abundance in Mild Cognitive Impairment group
| NCBI | Quality Control | Links |
|---|---|---|
| Catenisphaera | ||
| Dialister | ||
| Holdemanella | ||
| Lachnospiraceae | ||
| Muribaculaceae | ||
| Parabacteroides | ||
| Prevotella | ||
| Rikenellaceae | ||
| Sutterella | ||
| Clostridium |
Revision editor(s): Joan Chuks, Peace Sandy, Welile
Signature 2
Reviewed Marked as Reviewed by Peace Sandy on 2024-2-13
Curated date: 2023/10/24
Curator: Joan Chuks
Revision editor(s): Joan Chuks, ChiomaBlessing, Peace Sandy
Source: Supplementary Table S2D
Description: Differentially Abundant Genus level Taxa Between mild cognitive impairment (MCI) and Non-demented Control (C) groups Detected by Limma-Voom Model (Age and Sex Adjusted)
Abundance in Group 1: decreased abundance in Mild Cognitive Impairment group
Revision editor(s): Joan Chuks, ChiomaBlessing, Peace Sandy
