Abstract:
:Epidemiological studies using saliva have revealed relationships between the oral microbiome and many oral and systemic diseases. However, when collecting from a large number of participants such as a large-scale cohort study, the time it takes to collect saliva can be a problem. Mouth-rinsed water, which is water that has been used to rinse the oral cavity, can be used as an alternative method for collecting saliva for oral microbiome analysis because it can be collected in a shorter time than saliva. The purpose of this study was to verify whether mouth-rinsed water is a suitable saliva substitute for analyzing the oral microbiome. We collected samples of mouth-rinsed water, stimulated saliva, unstimulated saliva, and tongue coating from 10 systemic healthy participants, and compared the microbial diversity and composition of the samples using next-generation sequencing of 16S rRNA-encoding genes. The results showed that the microbial diversity of mouth-rinsed water was similar to that of unstimulated and stimulated saliva, and significantly higher than that of tongue-coating samples. The microbial composition at the species level of mouth-rinsed water also showed a very high correlation with the composition of unstimulated and stimulated saliva. These results suggest that the mouth-rinsed water is a suitable collection method instead of saliva for oral microbiome analysis.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Jo R,Nishimoto Y,Umezawa K,Yama K,Aita Y,Ichiba Y,Murakami S,Kakizawa Y,Kumagai T,Yamada T,Fukuda Sdoi
10.1038/s41598-019-52445-6subject
Has Abstractpub_date
2019-11-06 00:00:00pages
16124issue
1issn
2045-2322pii
10.1038/s41598-019-52445-6journal_volume
9pub_type
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