'Oral' bacteria may disrupt the balance of the vaginal microbiome
from Public Library of Science via Medical Xpress
Bacterial vaginosis is an imbalance of the vaginal microbiome that can lead to adverse health outcomes, including increased likelihood of potential pathogens colonizing the vagina, yet the mechanisms underlying these processes are poorly understood. A study published in
by Amanda Lewis at University of California, San Diego, and colleagues suggests that mutually beneficial relationships between different species of vaginal bacteria may encourage growth of potentially harmful pathogens, such as the common oral bacterium Fusobacterium nucleatum. The work challenges the belief that a suitable living environment supporting pathogen colonization is created solely by the absence of healthy bacteria, and may explain prior clinical links between oral sex and BV.
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