The microbiota of the mother at birth and its influence on the emerging infant oral microbiota from birth to 1 year of age: a cohort study
Barrett, Maurice P.
O’Shea, Carol Anne
Ryan, C. Anthony
Harris, Hugh M. B.
O’Toole, Paul W.
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CitationEimear Hurley, David Mullins, Maurice P. Barrett, Carol Anne O’Shea, Martin Kinirons, C. Anthony Ryan, Catherine Stanton, Helen Whelton, Hugh M. B. Harris & Paul W. O’Toole (2019) The microbiota of the mother at birth and its influence on the emerging infant oral microbiota from birth to 1 year of age: a cohort study, Journal of Oral Microbiology, 11:1, DOI: 10.1080/20002297.2019.1599652
AbstractBackground: The acquisition of microbial communities and the influence of delivery mode on the oral microbiota of the newborn infant remains poorly characterised. Methods: A cohort of pregnant women were enrolled in the study (n = 84). All infants were born full term, by Spontaneous vaginal delivery (SVD) or by Caesarean section (CS). At delivery a saliva sample along with a vaginal/skin sample from the mother. Saliva samples were the taken from the infant within one week of birth, and at week 4, week 8, 6 months and 1 year of age. We used high-throughput sequencing of V4-V5 region 16S rRNA amplicons to compare the microbiota of all samples. Results: The vaginal microbiota had a lower alpha diversity than the skin microbiota of the mother, while the infant oral microbiota diversity remained relatively stable from birth to 8 weeks of age. The oral microbiota of the neonate differed by birth modality up to 1 week of age (p < 0.05), but birth modality did not have any influence on the infant oral microbiota beyond this age. Conclusions: We conclude thatbirth mode does not have an effect on the infant oral microbiota beyond 4 weeks of age, and the oral microbiota of infants continues to develop until 1 year of age.
FunderHealth Research Board of Ireland; Science Foundation Ireland
Grant NumberHRA_POR/2012/123; APC/SFI/12/RC/2273
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