Breastfeeding patterns are associated with human milk microbiome composition: The Mother-Infant Microbiomes, Behavior, and Ecology Study (MIMBES)/Experiment 1

From BugSigDB


Reviewed Marked as Reviewed by Chloe on 2023-11-6

Curated date: 2023/10/12

Curator: Peace Sandy

Revision editor(s): Peace Sandy

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
Milk Mammary gland milk,Milk,milk
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Breastfeeding duration Breastfeeding duration,breastfeeding duration
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Medium Total Time Breastfeeding
Group 1 name Corresponds to the case (exposed) group for case-control studies
Low Total Time Breastfeeding
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Breastfeeding pattern
Group 0 sample size Number of subjects in the control (unexposed) group
28
Group 1 sample size Number of subjects in the case (exposed) group
10
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
Any antibiotics consumed by or administered to the mother or infant in the past 30 days

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
V1-V3
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).
centered log-ratio
Statistical test
ANCOM
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
Richness Number of species
unchanged

Signature 1

Reviewed Marked as Reviewed by Chloe on 2023-11-6

Curated date: 2023/10/12

Curator: Peace Sandy

Revision editor(s): Peace Sandy

Source: Figure 3A

Description: Log-Fold Change estimates relative to the medium group of genera identified as differentially abundant across [A] total time breastfeeding group in the ANCOM-BC global test Low < -1 Z-score, medium [-1 1] Z-score high > 1 Z-Score

Abundance in Group 1: decreased abundance in Low Total Time Breastfeeding

NCBI Quality ControlLinks
Agreia
Bifidobacterium
Pedobacter
Stenotrophomonas
Rugamonas

Revision editor(s): Peace Sandy