Subclinical alteration of the cervical–vaginal microbiome in women with idiopathic infertility

Giuseppina Campisciano, Fiorella Florian, Angela D'Eustacchio, David Stanković, Giuseppe Ricci, Giuseppe Ricci, Francesco De Seta, Francesco De Seta, Manola Comar, Manola Comar

Research output: Contribution to journalArticlepeer-review


© 2017 Wiley Periodicals, Inc. Biomarkers have a wide application in research and clinic, they help to choose the correct treatment for diseases. Recent studies, addressing the vaginal microbiome using next generation sequencing (NGS), reported the involvement of bacterial species in infertility. We compared the vaginal microbiome of idiopathic infertile women with that of healthy, including bacterial vaginosis affected women and non-idiopathic infertile women, to identify bacterial species suitable as biomarkers. Information on microorganisms was obtained from the V3-16S rDNA sequencing of cervical–vaginal fluids of 96 women using the Ion Torrent platform. Data were processed with QIIME and classified against the Vaginal 16S rDNA Reference Database. The analysis revealed a significant beta-diversity variation (p < 0.001) between the four groups included in the study. L. iners, L. crispatus, and L. gasseri distinguished idiopathic infertile women from the other groups. In these women, a microbial profile similar to that observed in bacterial vaginosis women has been detected. Our results suggest that the quantitative assessment and identification of specific microorganisms of the cervical–vaginal microflora could increase the accuracy of available tools for the diagnosis of infertility and improve the adoption of therapeutic protocols.
Original languageEnglish
Pages (from-to)1681-1688
Number of pages8
JournalJournal of Cellular Physiology
Issue number7
Publication statusPublished - Jul 1 2017


  • 16S sequencing
  • anaerobes
  • idiopathic infertility
  • ion torrent
  • microbiome


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