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
Eimear HurleyPaul W O'Toole

Abstract

Background: 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.

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Citations

May 1, 2020·International Journal of Oral Science·Jin XiaoSteven R Gill
Oct 4, 2020·Current Opinion in Infectious Diseases·Anastasia A TheodosiouChristine E Jones
Mar 11, 2021·Periodontology 2000·A M Marije KaanEgija Zaura
Jun 5, 2021·Trends in Immunology·Khaled Zubeidat, Avi-Hai Hovav
Jul 13, 2021·Biotechnology Advances·Elora FournierStéphanie Blanquet-Diot

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Methods Mentioned

BETA
Illumina sequencing
PCR
Assay
PCA

Software Mentioned

pyNAST
FLASH
mothur
ade4
vegan
metagenomeSeq
rafalib
PerMANOVA
R
Miseq

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