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Open Access Publications from the University of California

Changes in vaginal microbiota following antimicrobial and probiotic therapy.

  • Author(s): Macklaim, Jean M
  • Clemente, Jose C
  • Knight, Rob
  • Gloor, Gregory B
  • Reid, Gregor
  • et al.

BACKGROUND:The composition of the vaginal microbiota is known to be important for health. When infections occur, antimicrobial therapy is often poorly efficacious. OBJECTIVE AND DESIGN:We used 16S rRNA gene sequencing to characterize changes in the bacterial microbiota following oral antimicrobial and probiotic interventions. RESULTS:While the bacterial vaginal profiles of women with vulvovaginal candidiasis were dominated by lactobacilli as in healthy women, and unchanged by therapy, Gardnerella vaginalis, Prevotella, Atopobium, Sneathia, and Megasphaera dominated the vagina of women with bacterial vaginosis (BV), and treatment with tinidazole plus Lactobacillus reuteri RC-14+L. rhamnosus GR-1 resulted in an increased relative abundance of indigenous L. iners or L. crispatus. CONCLUSIONS:The ability to restore homeostasis provides a rationale for conjoint use of probiotics with antibiotic treatment of BV.

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