Composition and maternal origin of the neonatal oral cavity microbiota
Open accessAbstract
Background: The origin of the initial oral microbiota in neonates still remains poorly understood.Objective: The aim of this study was to understand how the maternal microbiota contributes to the initial neonatal oral microbiota.Design: Twelve mother-neonate pairs with samples from the maternal oral mucosa, uterine cervix and placenta and the neonatal oral cavity immediately after birth were studied. The microbiota composition and diversity were characterized by 16S rRNA gene sequencing (V3-V4 region). The microbiota analyses and comparisons were carried out with Calypso software version 8.1 and with SourceTracker 1.0.1.Results: Samples from the neonatal oral cavity showed moderately high bacterial diversity and low richness. The neonatal oral cavity microbiota seems to share features mainly with the microbes detected in the placenta, followed by the cervical microbiota and the maternal oral microbiota. No statistically significant differences in diversity (Shannon index, p = 0.14), richness (Chao1, p = 0.53) or in microbial composition were observed according to delivery mode.Conclusion: The neonatal oral cavity microbiota is not significantly modulated by the birth canal or maternal oral microbiota but displays clear associations with microbes in the placenta. These results suggest that the neonatal oral microbiota may have a prenatal origin.
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In a study of 12 mother-neonate pairs, the microbiota of the neonatal oral cavity displayed clear associations with that of the placenta and was not significantly altered by the birth canal or maternal microbiotas, suggesting that the neonatal microbiota may have a prenatal origin.
“Interestingly, in a study of 12 mother‐neonate pairs, it was found that the microbiota of the neonatal oral cavity displayed clear associations with that of the placenta and was not significantly altered by the birth canal or maternal microbiotas, suggesting that the neonatal microbiota may have a prenatal origin.112”
From The oral microbiome: Role of key organisms and complex networks in oral health and disease (2021) · cites this paper as [112]
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- Authors
- Tuominen, H., Collado, M. C., Rautava, J., Syrjänen, S., & Rautava, S.
- Affiliations
- University of Turku (FI)
- Department of Biotechnology, Institute of Agrochemistry and Food Science, Spanish National Research Council (IATA-CSIC), Valencia, Spain
- Corresponding author
- Tuominen, Heidi
- Venue
- Journal of Oral Microbiology
- Publisher
- Informa UK Limited
- Published
- 2019-01-01
- Volume
- 11
- Issue
- 1
- Pages
- 1663084
- ISSN
- 2000-2297 (ISSN-L)
- PMC
- PMC6735328
- OpenAlex
- W2971708288
- Cited by
- 39
- References
- 36
- Citations by year
- 2026: 4 · 2025: 3 · 2024: 2 · 2023: 6 · 2022: 9 · 2021: 8 · 2020: 6 · 2019: 1
- FWCI
- 6.94
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Journal of Oral Microbiology (publishedVersion, cc-by)
- Europe PMC (PubMed Central) (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- UTUPub (University of Turku) (submittedVersion)
- DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Minerva Foundation
- Turun Yliopistollinen Keskussairaala
- Topics
- Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
- Health Sciences › Nursing › Nutrition and Dietetics › Infant Nutrition and Health
- Keywords
- maternal microbiota, microbial origin, microbial diversity, microbial community composition, mode of delivery
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