Investigation of Nasal/Oropharyngeal Microbial Community of COVID-19 Patients by 16S rDNA Sequencing
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Quality control
- Retracted paper
- Contamination issues suspected
- Batch effect issues suspected
- Uncontrolled confounding suspected
- Results are suspect (various reasons)
- Tags applied
Experiment 1
Curated date: 2021/06/30
Curator: Claregrieve1
Revision editor(s): Claregrieve1, WikiWorks, Atrayees
Subjects
- Location of subjects
- Italy
- 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
- Nasopharynx , Oropharynx Nasenrachenraum,Epipharynx,Nasal part of pharynx,Pars nasalis pharyngis,Rhinopharynx,Nasopharynx,nasopharynx,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
- Healthy controls
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- ICU COVID-19 patients
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- COVID-19 patients admitted to intensive care unit
- Group 0 sample size Number of subjects in the control (unexposed) group
- 10
- Group 1 sample size Number of subjects in the case (exposed) group
- 10
Lab analysis
- Sequencing type
- 16S
- 16S variable region One or more hypervariable region(s) of the bacterial 16S gene
- V2-V9
- Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
- Ion Torrent
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
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- decreased
- Chao1 Abundance-based estimator of species richness
- decreased
Signature 1
Source: Table S1
Description: Differential microbial abundance between healthy controls and ICU COVID-19 patients
Abundance in Group 1: decreased abundance in ICU COVID-19 patients
Revision editor(s): Claregrieve1
Signature 2
Source: Table S1
Description: Differential microbial abundance between healthy controls and ICU COVID-19 patients
Abundance in Group 1: increased abundance in ICU COVID-19 patients
Revision editor(s): Claregrieve1
Experiment 2
Curated date: 2021/07/01
Curator: Claregrieve1
Revision editor(s): Claregrieve1, WikiWorks, Atrayees
Subjects
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- Mild-moderate COVID-19 patients
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- COVID-19 patients with mild to moderate symptoms that were not admitted to an intensive care unit
- Group 1 sample size Number of subjects in the case (exposed) group
- 11
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
- Chao1 Abundance-based estimator of species richness
- decreased
Signature 1
Source: Table S1
Description: Differential abundance of microbial taxa between healthy controls and mild-moderate COVID-19 cases
Abundance in Group 1: decreased abundance in Mild-moderate COVID-19 patients
Revision editor(s): Claregrieve1
Signature 2
Source: Table S1
Description: Differential abundance of microbial taxa between healthy controls and mild-moderate COVID-19 cases
Abundance in Group 1: increased abundance in Mild-moderate COVID-19 patients
Revision editor(s): Claregrieve1
Experiment 3
Curated date: 2021/07/01
Curator: Claregrieve1
Revision editor(s): Claregrieve1, WikiWorks, Atrayees
Subjects
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Mild-Moderate COVID-19 patients
- Group 1 name Corresponds to the case (exposed) group for case-control studies
- ICU COVID-19 patients
- Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
- COVID-19 patients admitted to intensive care unit
- Group 0 sample size Number of subjects in the control (unexposed) group
- 11
- Group 1 sample size Number of subjects in the case (exposed) group
- 10
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- decreased
- Chao1 Abundance-based estimator of species richness
- decreased
Signature 1
Source: Table S1
Description: Differential abundance of microbial taxa between mild-moderate COVID-19 patients and ICU-admitted COVID-19 patients
Abundance in Group 1: decreased abundance in ICU COVID-19 patients
Revision editor(s): Claregrieve1
Signature 2
Source: Table S1
Description: Differential abundance of microbial taxa between mild-moderate COVID-19 patients and ICU-admitted COVID-19 patients
Abundance in Group 1: increased abundance in ICU COVID-19 patients
Revision editor(s): Claregrieve1
Experiment 4
Curated date: 2021/07/01
Curator: Claregrieve1
Revision editor(s): Claregrieve1, WikiWorks, Atrayees
Subjects
- Group 0 name Corresponds to the control (unexposed) group for case-control studies
- Patients infected with other human coronaviruses
- Group 0 sample size Number of subjects in the control (unexposed) group
- 8
Lab analysis
Statistical Analysis
Alpha Diversity
- Shannon Estimator of species richness and species evenness: more weight on species richness
- unchanged
- Chao1 Abundance-based estimator of species richness
- decreased
Signature 1
Source: Table S1
Description: Differential abundance of microbial taxa between non-COVID coronavirus patients and ICU COVID patients
Abundance in Group 1: decreased abundance in ICU COVID-19 patients
Revision editor(s): Claregrieve1, Atrayees
Signature 2
Source: Table S1
Description: Differential abundance of microbial taxa between non-COVID coronavirus patients and ICU COVID patients
Abundance in Group 1: increased abundance in ICU COVID-19 patients
NCBI | Quality Control | Links |
---|---|---|
Lactococcus | ||
Salmonella | ||
Scardovia | ||
Serratia | ||
unclassified Campylobacterales | ||
Clostridiales Family XIII bacterium | ||
unclassified Enterococcaceae | ||
unclassified Pseudomonadaceae |
Revision editor(s): Claregrieve1