The Cervicovaginal Microbiota-Host Interaction Modulates <named-content content-type="genus-species">Chlamydia trachomatis</named-content> Infection
ABSTRACT The mechanism(s) by which Lactobacillus-dominated cervicovaginal microbiota provide a barrier to Chlamydia trachomatis infection remain(s) unknown. Here we evaluate the impact of different Lactobacillus spp. identified via culture-independent metataxonomic analysis of C. trachomatis-infecte...
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American Society for Microbiology
2019
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oai:doaj.org-article:c7ac43892b7246beabc1cea4bec109702021-11-15T16:22:10ZThe Cervicovaginal Microbiota-Host Interaction Modulates <named-content content-type="genus-species">Chlamydia trachomatis</named-content> Infection10.1128/mBio.01548-192150-7511https://doaj.org/article/c7ac43892b7246beabc1cea4bec109702019-08-01T00:00:00Zhttps://journals.asm.org/doi/10.1128/mBio.01548-19https://doaj.org/toc/2150-7511ABSTRACT The mechanism(s) by which Lactobacillus-dominated cervicovaginal microbiota provide a barrier to Chlamydia trachomatis infection remain(s) unknown. Here we evaluate the impact of different Lactobacillus spp. identified via culture-independent metataxonomic analysis of C. trachomatis-infected women on C. trachomatis infection in a three-dimensional (3D) cervical epithelium model. Lactobacillus spp. that specifically produce d(−) lactic acid were associated with long-term protection against C. trachomatis infection, consistent with reduced protection associated with Lactobacillus iners, which does not produce this isoform, and with decreased epithelial cell proliferation, consistent with the observed prolonged protective effect. Transcriptomic analysis revealed that epigenetic modifications involving histone deacetylase-controlled pathways are integral to the cross talk between host and microbiota. These results highlight a fundamental mechanism whereby the cervicovaginal microbiota modulates host functions to protect against C. trachomatis infection. IMPORTANCE The vaginal microbiota is believed to protect women against Chlamydia trachomatis, the etiologic agent of the most prevalent sexually transmitted infection (STI) in developed countries. The mechanism underlying this protection has remained elusive. Here, we reveal the comprehensive strategy by which the cervicovaginal microbiota modulates host functions to protect against chlamydial infection, thereby providing a novel conceptual mechanistic understanding. Major implications of this work are that (i) the impact of the vaginal microbiota on the epithelium should be considered in future studies of chlamydial infection and other STIs and (ii) a fundamental understanding of the cervicovaginal microbiota’s role in protection against STIs may enable the development of novel microbiome-based therapeutic strategies to protect women from infection and improve vaginal and cervical health.Vonetta L. EdwardsSteven B. SmithElias J. McCombJeanne TamarelleBing MaMichael S. HumphrysPawel GajerKathleen GwilliamAlison M. SchaeferSamuel K. LaiMishka TerplanKatrina S. MarkRebecca M. BrotmanLarry J. ForneyPatrik M. BavoilJacques RavelAmerican Society for MicrobiologyarticleLactobacillusepigeneticlactic acidmicrobiomeproliferationsexually transmitted infectionMicrobiologyQR1-502ENmBio, Vol 10, Iss 4 (2019) |
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Lactobacillus epigenetic lactic acid microbiome proliferation sexually transmitted infection Microbiology QR1-502 |
spellingShingle |
Lactobacillus epigenetic lactic acid microbiome proliferation sexually transmitted infection Microbiology QR1-502 Vonetta L. Edwards Steven B. Smith Elias J. McComb Jeanne Tamarelle Bing Ma Michael S. Humphrys Pawel Gajer Kathleen Gwilliam Alison M. Schaefer Samuel K. Lai Mishka Terplan Katrina S. Mark Rebecca M. Brotman Larry J. Forney Patrik M. Bavoil Jacques Ravel The Cervicovaginal Microbiota-Host Interaction Modulates <named-content content-type="genus-species">Chlamydia trachomatis</named-content> Infection |
description |
ABSTRACT The mechanism(s) by which Lactobacillus-dominated cervicovaginal microbiota provide a barrier to Chlamydia trachomatis infection remain(s) unknown. Here we evaluate the impact of different Lactobacillus spp. identified via culture-independent metataxonomic analysis of C. trachomatis-infected women on C. trachomatis infection in a three-dimensional (3D) cervical epithelium model. Lactobacillus spp. that specifically produce d(−) lactic acid were associated with long-term protection against C. trachomatis infection, consistent with reduced protection associated with Lactobacillus iners, which does not produce this isoform, and with decreased epithelial cell proliferation, consistent with the observed prolonged protective effect. Transcriptomic analysis revealed that epigenetic modifications involving histone deacetylase-controlled pathways are integral to the cross talk between host and microbiota. These results highlight a fundamental mechanism whereby the cervicovaginal microbiota modulates host functions to protect against C. trachomatis infection. IMPORTANCE The vaginal microbiota is believed to protect women against Chlamydia trachomatis, the etiologic agent of the most prevalent sexually transmitted infection (STI) in developed countries. The mechanism underlying this protection has remained elusive. Here, we reveal the comprehensive strategy by which the cervicovaginal microbiota modulates host functions to protect against chlamydial infection, thereby providing a novel conceptual mechanistic understanding. Major implications of this work are that (i) the impact of the vaginal microbiota on the epithelium should be considered in future studies of chlamydial infection and other STIs and (ii) a fundamental understanding of the cervicovaginal microbiota’s role in protection against STIs may enable the development of novel microbiome-based therapeutic strategies to protect women from infection and improve vaginal and cervical health. |
format |
article |
author |
Vonetta L. Edwards Steven B. Smith Elias J. McComb Jeanne Tamarelle Bing Ma Michael S. Humphrys Pawel Gajer Kathleen Gwilliam Alison M. Schaefer Samuel K. Lai Mishka Terplan Katrina S. Mark Rebecca M. Brotman Larry J. Forney Patrik M. Bavoil Jacques Ravel |
author_facet |
Vonetta L. Edwards Steven B. Smith Elias J. McComb Jeanne Tamarelle Bing Ma Michael S. Humphrys Pawel Gajer Kathleen Gwilliam Alison M. Schaefer Samuel K. Lai Mishka Terplan Katrina S. Mark Rebecca M. Brotman Larry J. Forney Patrik M. Bavoil Jacques Ravel |
author_sort |
Vonetta L. Edwards |
title |
The Cervicovaginal Microbiota-Host Interaction Modulates <named-content content-type="genus-species">Chlamydia trachomatis</named-content> Infection |
title_short |
The Cervicovaginal Microbiota-Host Interaction Modulates <named-content content-type="genus-species">Chlamydia trachomatis</named-content> Infection |
title_full |
The Cervicovaginal Microbiota-Host Interaction Modulates <named-content content-type="genus-species">Chlamydia trachomatis</named-content> Infection |
title_fullStr |
The Cervicovaginal Microbiota-Host Interaction Modulates <named-content content-type="genus-species">Chlamydia trachomatis</named-content> Infection |
title_full_unstemmed |
The Cervicovaginal Microbiota-Host Interaction Modulates <named-content content-type="genus-species">Chlamydia trachomatis</named-content> Infection |
title_sort |
cervicovaginal microbiota-host interaction modulates <named-content content-type="genus-species">chlamydia trachomatis</named-content> infection |
publisher |
American Society for Microbiology |
publishDate |
2019 |
url |
https://doaj.org/article/c7ac43892b7246beabc1cea4bec10970 |
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