Escherichia coli and Enterococcus faecalis are able to incorporate and enhance a pre-formed Gardnerella vaginalis biofilm

Pathogens and Disease
Joana CastroNuno Cerca

Abstract

Gardnerella vaginalis is the most frequent microorganism found in bacterial vaginosis (BV), while Escherichia coli and Enterococcus faecalis are amongst the most frequent pathogens found in urinary tract infections (UTIs). This study aimed to evaluate possible interactions between UTIs pathogens and G. vaginalis using an in vitro dual-species biofilm model. Our results showed that dual-species biofilms reached significantly higher bacterial concentration than monospecies biofilms. Moreover, visualization of dual-populations species in the biofilms, using the epifluorescence microscopy, revealed that all of the urogenital pathogens coexisted with G. vaginalis. In conclusion, our work demonstrates that uropathogens can incorporate into mature BV biofilms.

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Citations

Jan 18, 2017·Journal of Cellular Physiology·Giuseppina CampiscianoManola Comar
Mar 31, 2017·Critical Reviews in Microbiology·Hyun-Sul JungMarleen M Kock
Aug 28, 2020·Frontiers in Cellular and Infection Microbiology·Mathys J RedelinghuysMarleen M Kock
Nov 8, 2019·FEMS Microbiology Reviews·Aliona S RoscaNuno Cerca
Jun 3, 2021·Pharmaceutics·Louise CarsonRobert Karl Malcolm
Dec 24, 2021·Frontiers in Cellular and Infection Microbiology·Valerie P O'BrienNicole M Gilbert

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