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Gynecology

Vaginal Microbiota # 16

Gynecology

By Pr. Satu Pekkala
Academy of Finland Research Fellow, Faculty of Sport and Health Sciences, University of Jyväskylä, Finland

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Microbiota 16 vaginal microbiota

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Created 05 October 2022
Updated 25 July 2024

GONORRHEA IN WOMEN: A LINK BETWEEN VAGINAL MICROBIOTA AND SYMPTOMS?

Lovett A, Seña AC, Macintyre AN, et al. Cervicovaginal Microbiota Predicts Neisseria gonorrhoeae Clinical Presentation. Front Microbiol 2022; 12: 790531.

Each year, nearly 90 million cases of gonorrhea are reported worldwide. In women, infection of the lower genital tract by Neisseria gonorrhoeae has highly variable consequences, from no symptoms at all to cervicitis. Although the factors behind this variability are not known, the cervico-vaginal microbiota may be involved. In fact, a team has recently shown that the cervico- vaginal microbiota predicts the clinical presentation of gonorrhea in women.
These are the results of a pilot study in the US on 19 patients infected with N. gonorrhoeae, 10 of whom were symptomatic and 9 asymptomatic. Most of these patients were African American, a population whose microbiota is more frequently low in lactobacilli than that of Caucasian women. Neisseria spp. accounted for only 0.24% of the bacteria present in all 19 patients, whether symptomatic or asymptomatic. Half of the patients in each group also had co-infections with Chlamydia trachomatis and/or Trichomonas vaginalis.
The cervico-vaginal microbiota of the asymptomatic patients with no co-infection more frequently contained microbial communities dominated by lactobacilli (92.2% of bacteria on average) than that of the symptomatic patients with no co-infection (21.6%).
In contrast, the symptomatic women had microbial communities characterized by more diverse and heterogenous bacterial taxa. They were composed of a mixture of anaerobic bacteria associated with bacterial vaginosis (BV): Prevotella, Sneathia, Mycoplasma hominis and Bacterial Vaginosis- Associated Bacterium-1 (BVAB1) / Candidatus Lachnocurva vaginae.
These results are merely those of a pilot study based on a small sample. This is a crucial first step, but further studies are needed to evaluate the potentially protective effect against N. gonorrhoeae infection of a Lactobacillus-dominated vaginal microbiota.

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Vaginal microbiota Lactobacillus Gonorrhea Microbiome Flora
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    • Congress review
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    Created 05 October 2022
    Updated 25 July 2024

    About this article

    To know more about this topic.

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    Gynecology

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    Press review
    Gut Microbiota # 16
    Association between IBD and greater amounts of microplastics in stool
    Focus

    Microbiota 16 - October 2022

    Overview

    Gut microbiota and stress-related disorders The interaction between the oral microbiota and SARS-COV-2 infection

    Commented article

    Immune regulation by fungal strain diversity in inflammatory bowel disease Bacteroidota and Lachnospiraceae integration into the gut microbiome at key time points in early life are linked to infant neurodevelopment

    Congress review

    Highlights from the 54th Espghan

    Press review

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