Transition in vaginal Lactobacillus species during pregnancy and prediction of preterm birth in Korean women/Experiment 3

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Needs review

Curated date: 2025/02/12

Curator: KateRasheed

Revision editor(s): WikiWorks, KateRasheed

Subjects

Location of subjects
Republic of Korea
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
Posterior fornix of vagina Pars posterior fornicis vaginae,Posterior fornix,Posterior part of fornix of vagina,Posterior fornix of vagina,posterior fornix of vagina
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Birth measurement Birth measurement,birth measurement
Group 0 name Corresponds to the control (unexposed) group for case-control studies
Full Term or Term Birth (FTB or TB) by Gestational Age at Sampling 32 - < 37weeks (GAS 32 - < 37weeks) - Timepoint C
Group 1 name Corresponds to the case (exposed) group for case-control studies
Preterm birth (PTB) by Gestational Age at Sampling 32 - < 37weeks (GAS 32 - < 37weeks) - Timepoint C
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
Preterm birth (PTB) is defined as delivery at less than 37 weeks of gestation and accounts for 8% of childbirths in South Korea
Group 0 sample size Number of subjects in the control (unexposed) group
17
Group 1 sample size Number of subjects in the case (exposed) group
37

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
LEfSe
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)?
No
LDA Score above Threshold for the linear discriminant analysis (LDA) score for studies using the popular LEfSe tool
2

Alpha Diversity

Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged

Signature 1

Needs review

Curated date: 2025/02/12

Curator: KateRasheed

Revision editor(s): KateRasheed, WikiWorks

Source: Fig. 2A

Description: FTB- or PTB-associated microbiome using linear discriminant analysis effect size

Abundance in Group 1: increased abundance in Preterm birth (PTB) by Gestational Age at Sampling 32 - < 37weeks (GAS 32 - < 37weeks) - Timepoint C

NCBI Quality ControlLinks
Finegoldia magna
Staphylococcus epidermidis
Pseudescherichia vulneris

Revision editor(s): KateRasheed, WikiWorks