Microbiota composition in bilateral healthy breast tissue and breast tumors/Experiment 3

From BugSigDB


Needs review

Curated date: 2025/07/01

Curator: Ecsharp

Revision editor(s): Ecsharp

Subjects

Location of subjects
United States of America
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
Breast Mamma,Mammary part of chest,Mammary region,Breast,breast
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Breast cancer breast cancer,breast tumor,cancer of breast,malignant breast neoplasm,malignant breast tumor,malignant neoplasm of breast,malignant neoplasm of the breast,malignant tumor of breast,malignant tumor of the breast,mammary cancer,mammary neoplasm,mammary tumor,primary breast cancer,Breast cancer
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Bilateral Normal Breast Tissue
Group 1 name Corresponds to the case (exposed) group for case-control studies
Tumor Breast Tissue
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Breast cancer tumor tissue samples from white, non-Hispanic women, obtained through the University of Florida (UF) Clinical and Translational Sciences Institute (CTSI) Biorepository
Group 0 sample size Number of subjects in the control (unexposed) group
36
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
V1-V2
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
Mann-Whitney (Wilcoxon)
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
unchanged
Simpson Estimator of species richness and species evenness: more weight on species evenness
decreased

Signature 1

Needs review

Curated date: 2025/07/01

Curator: Ecsharp

Revision editor(s): Ecsharp

Source: Online Resources 1a-c

Description: Relative abundance of phyla, families, and genera in normal and tumor tissue. P-values were generated using a non-parametric Mann-Whitney U test and were adjusted using the Benjamini-Hochberg method.

Abundance in Group 1: increased abundance in Tumor Breast Tissue

NCBI Quality ControlLinks
Akkermansia
Butyricimonas
Odoribacteraceae
Oscillospiraceae
Parabacteroides
Porphyromonadaceae
Verrucomicrobiaceae
Verrucomicrobiota

Revision editor(s): Ecsharp

Signature 2

Needs review

Curated date: 2025/07/01

Curator: Ecsharp

Revision editor(s): Ecsharp

Source: Online Resources 1a-c

Description: Relative abundance of phyla, families, and genera in normal and tumor tissue. P-values were generated using a non-parametric Mann-Whitney U test and were adjusted using the Benjamini-Hochberg method.

Abundance in Group 1: decreased abundance in Tumor Breast Tissue

NCBI Quality ControlLinks
Cyanobacteriota
Pseudomonadota
Synergistota
Mycoplasmatota
Alcaligenaceae
Flavobacteriaceae
Moraxellaceae
Prevotellaceae
Acinetobacter
Flavobacterium
Prevotella
Staphylococcus
Sutterella

Revision editor(s): Ecsharp