The Composition and Functional Capacities of Saliva Microbiota Differ Between Children With Low and High Sweet Treat Consumption

Frontiers in Nutrition

卷:9

Kaija-Leena Kolho²  Jukka Leinonen³  Muhammed Manzoor⁵  Elina Engberg⁶  Nitin Agrawal⁸  Heli Viljakainen⁸  Sohvi Lommi⁹  Timo A. Lakka¹⁰ 

[1] 0Children’s Hospital, University of Helsinki and Helsinki University Hospital (HUS), Helsinki, Finland;

[2] 1Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland;

[3] Department of Clinical Dentistry, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway;

[4] Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, Kuopio, Finland;

[5] Department of Oral and Maxillofacial Diseases, Faculty of Medicine, University of Helsinki, Helsinki, Finland;

[6] Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland;

[7] Department of Public Health, University of Helsinki, Helsinki, Finland;

[8] Faculty of Medicine, University of Helsinki, Helsinki, Finland;

[9] Folkhälsan Research Center, Helsinki, Finland;

[10] Foundation for Research in Health Exercise and Nutrition, Kuopio Research Institute of Exercise Medicine, Kuopio, Finland;

[11] Institute of Biomedicine, School of Medicine, University of Eastern Finland, Kuopio, Finland;

关键词: oral microbiome;    sugar;    childhood;    adolescence;    caries;    diet;   

DOI  :  10.3389/fnut.2022.864687

来源: DOAJ

【 摘 要 】

Excess sugar consumption—common in youth—is associated with poor health. Evidence on the relationship between sugar consumption and the oral microbiome, however, remains scarce and inconclusive. We explored whether the diversity, composition, and functional capacities of saliva microbiota differ based on the consumption of select sugary foods and drinks (“sweet treats”). Using 16S rRNA gene sequencing, we characterized saliva microbiota from 11 to 13-year-old children who participated in the Finnish Health in Teens (Fin-HIT) cohort study. The sample comprised children in the lowest (n = 227) and highest (n = 226) tertiles of sweet treat consumption. We compared differences in the alpha diversity (Shannon, inverse Simpson, and Chao1 indices), beta diversity (principal coordinates analysis based on Bray–Curtis dissimilarity), and abundance (differentially abundant operational taxonomic units (OTUs) at the genus level) between these low and high consumption groups. We performed PICRUSt2 to predict the metabolic pathways of microbial communities. No differences emerged in the alpha diversity between low and high sweet treat consumption, whereas the beta diversity differed between groups (p = 0.001). The abundance of several genera such as Streptococcus, Prevotella, Veillonella, and Selenomonas was higher in the high consumption group compared with the low consumption group following false discovery rate correction (p < 0.05). Children with high sweet treat consumption exhibited higher proportions of nitrate reduction IV and gondoate biosynthesis pathways compared with the low consumption group (p < 0.05). To conclude, sweet treat consumption shapes saliva microbiota. Children who consume a high level of sweet treats exhibited different compositions and metabolic pathways compared with children who consume low levels of sweet treats. Our findings reveal novel insights into the relationship between sugary diets and oral microbiota.

【 授权许可】

Unknown