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- Title
Salivary microbial community alterations due to probiotic yogurt in preschool children with healthy deciduous teeth.
- Authors
Xu, Lei; Wang, Yuan; Wu, ZhiFang; Deng, ShuLi
- Abstract
Probiotics are considered valuable to human health since they improve intestinal microbial balance. Probiotics are orally taken and affect the oral microbiota, which is one of the most important parts of the human microbial community. However, there is little information on the effects of probiotics on the oral microbiota. Caries-free preschool children (N = 6) with complete deciduous dentition were enrolled and given 100 g probiotic yogurt daily for 1 year. Salivary samples were collected every 6 months and then sequenced by Illumina MiSeq system based on 16S rDNA V3–V4 hypervariable regions. The data were analyzed to obtain the changes in microbiota profiles before and after the probiotic yogurt consumption. The α diversity analysis showed that salivary microbial diversity and richness were similar between the groups. The β diversity analysis showed that salivary microbial community structure changed with the consumption of probiotic yogurt. The variation of the microbial community composition was mainly due to 9 genera; for 7 genera (Campylobacter, Haemophilus, Lautropia, Bacillus, Catonella, Lactococcus, and Solibacillus) increased, while 2 genera (Gemella, and Streptococcus) decreased. The variation of salivary microbiota structure and composition with the consumption of probiotic yogurt was revealed. This expands overall insights on the effects of probiotic products on oral microecology. It further provides a basis for predicting possible relations between probiotic interventions and oral health in preschool children.
- Subjects
PRESCHOOL children; PROBIOTICS; MICROBIAL communities; YOGURT; MICROBIAL ecology; DECIDUOUS teeth; HYPERVARIABLE regions; TEETH
- Publication
Archives of Microbiology, 2021, Vol 203, Issue 6, p3045
- ISSN
0302-8933
- Publication type
Article
- DOI
10.1007/s00203-021-02292-9