Altered oral and gut microbiota and its association with SARS-CoV-2 viral load in COVID-19 patients during hospitalization/Experiment 2
From BugSigDB
Reviewed Marked as Reviewed by Fatima on 2022/05/4
Curated date: 2021/08/02
Curator: Claregrieve1
Revision editor(s): Claregrieve1, WikiWorks, Victoria
Subjects
- Location of subjects
- China
- 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
- Oropharynx Mesopharynx,Oral part of pharynx,Pars oralis pharyngis,Oropharynx,oropharynx
- Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
- COVID-19 2019 novel coronavirus,2019 novel coronavirus infection,2019-nCoV,2019-nCoV infection,beta-CoV,beta-CoVs,betacoronavirus,coronavirus disease 2019,SARS-coronavirus 2,SARS-CoV-2,severe acute respiratory syndrome coronavirus 2,severe acute respiratory syndrome coronavirus 2 infectious disease,β-coronavirus,β-CoV,β-CoVs,COVID-19,cOVID-19
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- COVID-19 patients (mild/moderate)
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- COVID-19 patients (severe/critical)
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- Patients with confirmed COVID-19 infection per 2 sequential positive RT-PCR tests deemed to have severe/critical disease
- Group 0 sample size Number of subjects in the control (unexposed) group
- 30
- Group 1 sample size Number of subjects in the case (exposed) group
- 22
- Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
- No antibiotics or probiotics within 8 weeks prior to COVID-19 infection (also true for controls)
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
- LEfSe
- 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
- LDA Score above Threshold for the linear discriminant analysis (LDA) score for studies using the popular LEfSe tool
- 2
- Matched on Factors on which subjects have been matched on in a case-control study
- age, sex
Alpha Diversity
- Richness Number of species
- decreased
Signature 1
Reviewed Marked as Reviewed by Fatima on 2022/05/4
Source: Supplementary Table 3
Description: Differential microbial abundance between mild/moderate and severe/critical COVID-19 patients
Abundance in Group 1: decreased abundance in COVID-19 patients (severe/critical)
| NCBI | Quality Control | Links |
|---|---|---|
| Treponema | ||
| Aggregatibacter | ||
| Aggregatibacter segnis | ||
| Prevotella intermedia | ||
| Streptococcus anginosus | ||
| Selenomonas | ||
| Filifactor | ||
| Treponema amylovorum | ||
| Peptococcus |
Revision editor(s): Claregrieve1
