Compositional profile of mucosal bacteriome of smokers and smokeless tobacco users/Experiment 3

From BugSigDB


Reviewed Marked as Reviewed by Lwaldron on 2023-6-16

Curated date: 2023/06/13

Curator: Atrayees

Revision editor(s): Lwaldron, Atrayees, Victoria

Subjects

Location of subjects
India
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
Buccal mucosa Buccal mucosa,buccal mucosa
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Smoking behavior smoking,Smoking behavior,smoking behavior
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Smokeless tobacco users
Group 1 name Corresponds to the case (exposed) group for case-control studies
Smokers
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Smokers who were using either bidis or cigarettes
Group 0 sample size Number of subjects in the control (unexposed) group
14
Group 1 sample size Number of subjects in the case (exposed) group
17

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).
raw counts
Statistical test
DESeq2
Significance threshold p-value or FDR threshold used for differential abundance testing (if any)
0.01
Matched on Factors on which subjects have been matched on in a case-control study
age, sex

Alpha Diversity

Pielou Quantifies how equal the community is numerically
increased
Shannon Estimator of species richness and species evenness: more weight on species richness
increased
Simpson Estimator of species richness and species evenness: more weight on species evenness
increased

Signature 1

Reviewed Marked as Reviewed by Lwaldron on 2023-6-16

Curated date: 2023/06/13

Curator: Atrayees

Revision editor(s): Atrayees

Source: Figure 5

Description: Differentially abundant taxa identified in smokeless tobacco users and smokers using DESeq2.

Abundance in Group 1: decreased abundance in Smokers

NCBI Quality ControlLinks
Fusobacterium
Campylobacter

Revision editor(s): Atrayees