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Related Concept Videos

Candidiasis01:20

Candidiasis

Candidiasis is a fungal infection caused by opportunistic species of Candida. It can affect various anatomical sites, including the skin, oral cavity, nails, and genitourinary tract. Among its forms, vaginal candidiasis is the most common type of mucosal infection. It typically results from the overgrowth of Candida albicans in the vaginal mucosa. Under normal conditions, C. albicans exists as a commensal organism within the vaginal microbiota, regulated by the dominance of lactobacilli, which...
Trichomoniasis01:18

Trichomoniasis

Trichomonas vaginalis is a flagellated protozoan parasite and the causative agent of trichomoniasis, one of the most prevalent non-viral sexually transmitted infections in the United States. This extracellular parasite primarily colonizes the lower genitourinary tract in women—particularly the vagina—and in men, the urethra and prostate. Its structural and functional adaptations enable its survival, motility, and pathogenicity within the host environment.Structural Features and Host EntryT.
Microbiota of the Urogenital Tract01:28

Microbiota of the Urogenital Tract

The human urogenital system, once thought to be sterile in healthy individuals, is now recognized as a complex microbial habitat. Advancements in molecular sequencing techniques have revealed that even in healthy adults, the kidneys and bladder harbor microbial populations similar to those found in the distal urethra, albeit in much lower abundance. These resident microorganisms, while generally innocuous, can become opportunistic pathogens under conditions that alter the urogenital...
Genital Herpes01:23

Genital Herpes

Genital herpes is a sexually transmitted infection primarily caused by herpes simplex virus type 2 (HSV-2), though herpes simplex virus type 1 (HSV-1) is increasingly implicated in genital infections, particularly among younger populations. Transmission occurs mainly through sexual contact, with asymptomatic viral shedding serving as a major route of spread. This characteristic makes HSV-2 difficult to control at a population level, as individuals may unknowingly transmit the virus even in the...
Bacterial Gastroenteritis01:18

Bacterial Gastroenteritis

Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid receptor...
Vagina01:26

Vagina

The vaginal canal is a tubular structure averaging about 10 cm in length that acts as the entryway to the female reproductive system and the passageway for menstrual flow and childbirth. The interior walls of the vagina exhibit concentric folds called rugae and are topped by an area known as the fornix, which connects with the protruding cervical portion of the uterus. This canal is comprised of an external fibrous layer, a muscular middle layer, and an inner lining with mucosal rugae, which...

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Related Experiment Video

Updated: Jun 22, 2026

Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice
08:53

Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice

Published on: December 4, 2020

Recurrent bacterial vaginosis.

Phillip Hay1

  • 1Centre for Infection, St George's Hospital, University of London, London, UK. phay@sgul.ac.uk

Current Opinion in Infectious Diseases
|June 18, 2009
PubMed
Summary
This summary is machine-generated.

Bacterial vaginosis (BV) often recurs, impacting women's health and increasing risks for infections and pregnancy complications. New treatments targeting BV biofilms and recurrence are being explored.

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Multiplex Detection of Bacteria in Complex Clinical and Environmental Samples using Oligonucleotide-coupled Fluorescent Microspheres

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Last Updated: Jun 22, 2026

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Multiplex Detection of Bacteria in Complex Clinical and Environmental Samples using Oligonucleotide-coupled Fluorescent Microspheres
11:09

Multiplex Detection of Bacteria in Complex Clinical and Environmental Samples using Oligonucleotide-coupled Fluorescent Microspheres

Published on: October 23, 2011

Area of Science:

  • Microbiology
  • Gynecology

Background:

  • Bacterial vaginosis (BV) is a prevalent condition with significant negative impacts on women's health.
  • Recurrent BV is associated with serious complications, including increased susceptibility to sexually transmitted infections (STIs), HIV, and adverse pregnancy outcomes.

Purpose of the Study:

  • To review recent advancements in understanding the pathogenesis of bacterial vaginosis.
  • To explore novel therapeutic strategies aimed at preventing BV recurrence and mitigating its associated complications.

Main Methods:

  • Utilized new molecular techniques to identify bacterial species and structures involved in BV.
  • Reviewed studies on suppresssive treatments (e.g., metronidazole gel) and physiological approaches (e.g., acidification, probiotics).

Main Results:

  • Molecular techniques have revealed a complex microbiome in BV, including biofilms primarily composed of Gardnerella and Atopobium vaginae, which can persist post-treatment.
  • Suppressive therapy with metronidazole gel has shown efficacy in reducing BV recurrence.
  • Investigational physiological approaches like acidification and probiotics have yielded variable results.

Conclusions:

  • Enhanced understanding of BV pathogenesis offers opportunities to develop improved treatments focused on preventing recurrence.
  • Combination therapy modalities may be necessary for effective BV management.
  • Further research is crucial to develop effective interventions for affected women and reduce BV-related complications.