alexa Dental Bacterial DNA are Present in the Amniotic Cavity
ISSN: 2161-1025

Translational Medicine
Open Access

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Research Article

Dental Bacterial DNA are Present in the Amniotic Cavity of Healthy Pregnant Women at Term

Quinlivan Julie1-3*, Vytla Sushma1and Mendz George4

1Department of Obstetrics and Gynecology, Joondalup Health Campus, Australia

2Institute for Health Research, The University of Notre Dame Australia, Australia

3Women’s and Children’s Medical Research Institute, University of Adelaide, Australia

4School of Medicine, Sydney, The University of Notre Dame Australia, Darlinghurst, New South Wales, Australia

*Corresponding Author:
Julie Quinlivan
Department of Obstetrics and Gynaecology
Joondalup Health Campus, Joondalup
Western Australia, Australia
Tel: +61-8-94009631
E-mail: [email protected]

Received date: August 01, 2016; Accepted date: August 09, 2016; Published date: August 29, 2016

Citation: Quinlivan J, Vytla S, Mendz G (2016) Dental Bacterial DNA are Present in the Amniotic Cavity of Healthy Pregnant Women at Term.Transl Med (Sunnyvale) 6:181. doi:10.4172/2161-1025.1000181

Copyright: © 2016 Quinlivan J, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Aims: To determine if dental bacterial DNA are present in the amniotic cavity of healthy pregnant women undergoing an elective caesarean section at term utilising culture independent techniques. Methods: Pregnant Australian women undergoing an elective caesarean section were recruited. Women completed questionnaires addressing demographics, past and current pregnancies and medical history. One high vaginal swab and three amniotic cavity swabs (amniotic fluid, newborn axilla and placental) were collected under sterile conditions. Samples were analysed using culture-independent techniques to detect the presence of predefined pathogenic bacterial taxa of the oral microbiome. Taxa isolated from the amniotic cavity swabs were compared to those isolated from the vaginal swab. Results: DNA from taxa isolated from the amniotic cavity but not vagina included A. xylosoxidans, A. tumefaciens, B. subtilis, Bartonella sp, Bergeyella sp, C. concisus, C. curvus, C. durum, D. microaerophilus, G. haemolysans, G. morbillorum, G. adiacens, G. elegans, K. pneumoniae, L. casei, L. paracasei, L. fermentum, P. aeruginosa, P. fluorescens, P. pseudoalcaligenes, P. stutzeri, R. microluginosa, S. maltophilia, S. pneumoniae, S. salivarius, S. sanguinis, V. dispar, V. parvula and Xanthomonas sp. Conclusion: The DNA of many pathogenic oral bacteria can be identified in the amniotic cavity of healthy pregnant women at term when utilising culture-independent techniques. Given DNA is not always present in the vagina, the study findings fulfill one criterion necessary for oral haematogenous spread to the amniotic cavity.


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