Next-Generation Sequencing as a Tool to Detect Vaginal Microbiota Disturbances during Pregnancy

Microorganisms
Agnieszka Sroka-OleksiakMonika Brzychczy-Włoch

Abstract

The physiological microbiota of the vagina is responsible for providing a protective barrier, but Some factors can disturb the balance in its composition. At that time, the amounts of the genus Lactobacillus decrease, which may lead to the development of infection and severe complications during pregnancy. The aim of the study was the analysis of the bacterial composition of the vagina in 32 Caucasian women at each trimester of pregnancy using the next-generation sequencing method and primers targeting V3-V4 regions. In the studied group, the dominant species were Lactobacillus iners, Lactobacillus gasseri, and Lactobacillusplantarum. Statistically significant differences in the quantitative composition between trimesters were observed in relation to Lactobacillus jensenii,Streptococcus agalactiae, Lactobacillus iners, Gardnerella spp. Out of the 32 patients, 20 demonstrated fluctuations within the genus Lactobacillus, and 9 of them, at different stages of pregnancy, exhibited the presence of potentially pathogenic microbiota, among others: Streptococcus agalactiae, Gardnerella spp., Atopobium vaginae, and Enterococcus faecalis. The composition of the vaginal microbiota during pregnancy was subject to partial changes over trime...Continue Reading

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Methods Mentioned

BETA
PCR

Software Mentioned

BaseSpace
RDP Classifier
GOTTCHA
JASP
Microbiome Analyst
PRMANOVA
FastQC
SILVA
SPINGO
Greengenes

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