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Salivary microbiome composition changes after bariatric surgery

Journal Article · · Scientific Reports
 [1];  [2];  [2];  [2];  [3];  [4];  [2]
  1. USDOE Joint Genome Institute (JGI), Berkeley, CA (United States); OSTI
  2. Comenius Univ., Bratislava (Slovakia)
  3. Břeclav Hospital, Břeclav (Czech Republic)
  4. Foundation for the Promotion of Sanitary and Biomedical Research of Valencian Community (FISABIO-Public Health), Valencia (Spain); CIBER in Epidemiology and Public Health (CIBEResp), Madrid (Spain); Univ. of Valencia and Spanish National Research Council (CSIC), Valencia (Spain)
Recent studies show that the salivary microbiome in subjects with obesity differ from those without obesity, but the mechanism of interaction between the salivary microbiome composition and body weight is unclear. Herein we investigate this relation by analyzing saliva samples from 35 adult patients with obesity undergoing bariatric surgery. Our aim was to describe salivary microbiome changes during body weight loss on an individual-specific level, and to elucidate the effect of bariatric surgery on the salivary microbiome which has not been studied before. Analysis of samples collected before and 1 day after surgery, as well as 3 and 12 months after surgery, showed that the salivary microbiome changed in all study participants, but these changes were heterogeneous. In the majority of participants proportions of Gemella species, Granulicatella elegans, Porphyromonas pasteri, Prevotella nanceiensis and Streptococcus oralis decreased, while Veillonella species, Megasphaera micronuciformis and Prevotella saliva increased. Nevertheless, we found participants deviating from this general trend which suggests that a variety of individual-specific factors influence the salivary microbiome composition more effectively than the body weight dynamics alone. The observed microbiome alternations could be related to dietary changes. Therefore, further studies should focus on association with altered taste preferences and potential oral health consequences.
Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC); Spanish Ministry of Science and Innovation; Generalitat Valenciana; European Regional Development Fund (ERDF); Ministry of Health of the Slovak Republic; Ministry of Education of the Slovak Republic; Slovak Research and Development Agency
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1816072
Journal Information:
Scientific Reports, Journal Name: Scientific Reports Journal Issue: 1 Vol. 10; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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