Alterations in the vaginal microbiota of patients with preterm premature rupture of membranes/Experiment 1

From BugSigDB


Reviewed Marked as Reviewed by Folakunmi on 2024-2-11

Curated date: 2023/10/21

Curator: Chinelsy

Revision editor(s): Chinelsy

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
Anterior fornix of vagina , Lateral fornix of vagina , Uterine cervix Anterior fornix,Anterior part of fornix of vagina,Pars anterior fornicis vaginae,Anterior fornix of vagina,anterior fornix of vagina,Lateral part of fornix of vagina,Pars lateralis fornicis vaginae,Lateral fornix of vagina,lateral fornix of vagina,Canalis cervicis uteri,Caudal segment of uterus,Cervical canal,Cervical canal of uterus,Cervix,Cervix of uterus,Cervix uteri,Neck of uterus,Uterine cervix,uterine cervix
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Preterm premature rupture of the membranes PPROM,preterm premature rupture of the membranes,Preterm premature rupture of the membranes
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Control(term delivery)
Group 1 name Corresponds to the case (exposed) group for case-control studies
Preterm premature rupture of membranes (PPROM)
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
PPROM is characterized by vaginal microbial dysbiosis.
Group 0 sample size Number of subjects in the control (unexposed) group
54
Group 1 sample size Number of subjects in the case (exposed) group
48
Antibiotics exclusion Number of days without antibiotics usage (if applicable) and other antibiotics-related criteria used to exclude participants (if any)
2 months

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

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
3.5
Matched on Factors on which subjects have been matched on in a case-control study
age, gestational age

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
Chao1 Abundance-based estimator of species richness
increased
Simpson Estimator of species richness and species evenness: more weight on species evenness
increased
Faith Phylogenetic diversity, takes into account phylogenetic distance of all taxa identified in a sample
increased

Signature 1

Reviewed Marked as Reviewed by Folakunmi on 2024-2-11

Curated date: 2023/10/21

Curator: Chinelsy

Revision editor(s): Chinelsy

Source: Fig.2C

Description: Differences in bacterial abundance in patients with PPROM versus controls.

Abundance in Group 1: increased abundance in Preterm premature rupture of membranes (PPROM)

NCBI Quality ControlLinks
Gardnerella vaginalis
Hoylesella timonensis
Lactobacillus iners
Ochrobactrum sp.
Prevotella bivia
Ureaplasma parvum

Revision editor(s): Chinelsy

Signature 2

Reviewed Marked as Reviewed by Folakunmi on 2024-2-11

Curated date: 2024/02/11

Curator: Folakunmi

Revision editor(s): Folakunmi

Source: Fig.2C

Description: Differences in bacterial abundance in patients with PPROM versus controls.

Abundance in Group 1: decreased abundance in Preterm premature rupture of membranes (PPROM)

NCBI Quality ControlLinks
Lactobacillus crispatus
Lactobacillus gasseri

Revision editor(s): Folakunmi