Comparative portrayal of ocular surface microbe with and without dry eye/Experiment 2

From BugSigDB


Reviewed Marked as Reviewed by Folakunmi on 2023-12-22

Curated date: 2023/09/09

Curator: Mary Bearkland

Revision editor(s): Mary Bearkland, Folakunmi

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
Conjunctiva Conjunctiva,conjunctiva,Conjunctivae,Conjunctivas,Tunica conjunctiva,Wall of conjunctival sac
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Dry eye syndrome dry eye,Dry Eye Syndrome,dry eye syndrome,Dry Eye Syndromes,dry eye(s),eye(s), dry,KCS,Keraconjunctivitis sicca,Keratoconjunctivitis Sicca,Keratoconjunctivitis sicca,keratoconjunctivitis sicca,Keratoconjunctivitis sicca (disorder),sicca, keratoconjunctivitis,Tear film insufficiency,tear film insufficiency,Dry eye syndrome
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Non-MGD
Group 1 name Corresponds to the case (exposed) group for case-control studies
MGD
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Patients with Dry Eye with Meibomian Gland Disease
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
25
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
No antibiotics for 6 months prior to study entry

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
Significance threshold p-value or FDR threshold used for differential abundance testing (if any)
0.05
LDA Score above Threshold for the linear discriminant analysis (LDA) score for studies using the popular LEfSe tool
4

Alpha Diversity

Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged
Chao1 Abundance-based estimator of species richness
unchanged
Simpson Estimator of species richness and species evenness: more weight on species evenness
unchanged
Richness Number of species
unchanged

Signature 1

Reviewed Marked as Reviewed by Folakunmi on 2023-12-22

Curated date: 2023/09/09

Curator: Mary Bearkland

Revision editor(s): Mary Bearkland, Folakunmi

Source: Figure 6

Description: Taxa listed according to their linear discriminant analysis (LDA) values determined from comparisons between the MGD patients and NMGD subjects in DE group as computed by the use of the LEfSe algorithm.

Abundance in Group 1: increased abundance in MGD

NCBI Quality ControlLinks
Bacillaceae
Bacillales
Bacilli
Bacillus pumilus

Revision editor(s): Mary Bearkland, Folakunmi

Signature 2

Reviewed Marked as Reviewed by Folakunmi on 2023-12-22

Curated date: 2023/09/09

Curator: Mary Bearkland

Revision editor(s): Mary Bearkland, Aleru002, Folakunmi

Source: Figure 6

Description: Taxa listed according to their linear discriminant analysis (LDA) values determined from comparisons between the MGD patients and NMGD subjects in DE group as computed by the use of LEfSe algorithm.

Abundance in Group 1: decreased abundance in MGD

NCBI Quality ControlLinks
Alloprevotella
Bacteroidales
Eubacterium coprostanoligenes
Oscillospiraceae
Thermomonas

Revision editor(s): Mary Bearkland, Aleru002, Folakunmi