Tumour-associated and non-tumour-associated microbiota in colorectal cancer/Experiment 3

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Reviewed Marked as Reviewed by ChiomaBlessing on 2024-2-2

Curated date: 2024/02/02

Curator: ChiomaBlessing

Revision editor(s): ChiomaBlessing

Subjects

Location of subjects
Ireland
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
Intestinal mucosa Bowel mucosa,Bowel mucosa of organ,Bowel mucous membrane,Bowel organ mucosa,Intestine mucosa,Intestine mucosa of organ,Intestine mucous membrane,Intestine organ mucosa,Mucosa of bowel,Mucosa of intestine,Mucosa of organ of bowel,Mucosa of organ of intestine,Mucous membrane of bowel,Mucous membrane of intestine,Organ mucosa of bowel,Organ mucosa of intestine,Tunica mucosa intestini,Intestinal mucosa,intestinal mucosa
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Colorectal cancer cancer of colorectum,cancer of large bowel,cancer of large intestine,cancer of the large bowel,colon cancer,colorectal cancer,colorectum cancer,CRC,large intestine cancer,malignant colorectal neoplasm,malignant colorectal tumor,malignant colorectum neoplasm,malignant large bowel neoplasm,malignant large bowel tumor,malignant large intestine neoplasm,malignant large intestine tumor,malignant neoplasm of colorectum,malignant neoplasm of large bowel,malignant neoplasm of large intestine,malignant neoplasm of the large bowel,malignant neoplasm of the large intestine,malignant tumor of large bowel,malignant tumor of large intestine,malignant tumor of the large bowel,malignant tumor of the large intestine,Colorectal cancer
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Distal (and rectal) cancer
Group 1 name Corresponds to the case (exposed) group for case-control studies
Proximal cancer
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Patients with proximal cancer
Group 0 sample size Number of subjects in the control (unexposed) group
39
Group 1 sample size Number of subjects in the case (exposed) group
20
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
1 month

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
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
Matched on Factors on which subjects have been matched on in a case-control study
age


Signature 1

Reviewed Marked as Reviewed by ChiomaBlessing on 2024-2-2

Curated date: 2024/02/02

Curator: ChiomaBlessing

Revision editor(s): ChiomaBlessing

Source: Supplementary File: Table S8

Description: Differential mucosal microbiota composition of proximal cancer compared to distal cancer

Abundance in Group 1: increased abundance in Proximal cancer

NCBI Quality ControlLinks
Blautia
Faecalibacterium
Veillonella
unclassified Clostridium
unclassified Lachnospiraceae
Lachnospiraceae incertae sedis

Revision editor(s): ChiomaBlessing

Signature 2

Reviewed Marked as Reviewed by ChiomaBlessing on 2024-2-2

Curated date: 2024/02/02

Curator: ChiomaBlessing

Revision editor(s): ChiomaBlessing

Source: Supplementary File: Table S8

Description: Differential mucosal microbiota composition of proximal cancer compared to distal cancer

Abundance in Group 1: decreased abundance in Proximal cancer

NCBI Quality ControlLinks
Halomonas
Shewanella

Revision editor(s): ChiomaBlessing