Journal
GYNECOLOGIC AND OBSTETRIC INVESTIGATION
Volume 70, Issue 4, Pages 256-263Publisher
KARGER
DOI: 10.1159/000314015
Keywords
Gardnerella biofilm; Bacterial vaginosis; Fluorescence in situ hybridization
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Objective To study the incidence and distribution of adherent Gardnerella vaginal's Methods Bacteria adherent to desquamated epithelial cells in the urine were detected using fluorescence in situ hybridization (FISH) Urine from patients with bacterial vaginosis (BV, n = 20), their partners (n = 10) and different control populations (n = 344) including pregnant women and their partners, randomly selected populations of hospitalized man, women and children as also healthy controls was investigated Results Gardnerella was found in two different forms cohesive and dispersed In the cohesive form, Gardnerella were attached to the epithelial cells in groups of highly concentrated bacteria In the dispersed form, solitary Gardnerella were intermixed with other bacterial groups Cohesive Gardnerella was present in all patients with proven BV and their partners, in 7% of men and 13% of women hospitalized for reasons other than By, in 16% of pregnant women and 12% of their male partners, and in none of the healthy laboratory staff or children In sexual partners, occurrence of cohesive Gardnerella was clearly linked Dispersed Gardnerella were found in 10-18% of randomly selected females, 3-4% of males and 10% of children and not sexually linked In daily longitudinal investigations over 4 weeks no transition between cohesive and dispersed Gardnerella and vice versa was observed Transmission of a cohesive Gardnerella strain could be followed retrospectively over 15 years using molecular genetic methods Conclusions Cohesive Gardnerella biofilm is a distinct, clearly definable entity which involves both genders and is sexually transmitted The correct name distinguishing it from symptom-defined conditions like BV should be gardnerellosis and for the bacterium Gardnerella genital's Copyright (c) 2010 S Karger AG Basel
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