Impact of a bathing tradition on shared gut microbe among Japanese families

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dc.contributor.author Odamaki, Toshitaka
dc.contributor.author Bottacini, Francesca
dc.contributor.author Mitsuyama, Eri
dc.contributor.author Yoshida, Keisuke
dc.contributor.author Kato, Kumiko
dc.contributor.author Xiao, Jin-zhong
dc.contributor.author van Sinderen, Douwe
dc.date.accessioned 2019-11-19T10:14:01Z
dc.date.available 2019-11-19T10:14:01Z
dc.date.issued 2019-03-13
dc.identifier.citation Odamaki, T., Bottacini, F., Mitsuyama, E., Yoshida, K., Kato, K., Xiao, J.Z. and van Sinderen, D., 2019. Impact of a bathing tradition on shared gut microbe among Japanese families. Scientific reports, 9(1), (4380). DOI:10.1038/s41598-019-40938-3 en
dc.identifier.volume 9 en
dc.identifier.issued 1 en
dc.identifier.startpage 1 en
dc.identifier.endpage 8 en
dc.identifier.uri http://hdl.handle.net/10468/9046
dc.identifier.doi 10.1038/s41598-019-40938-3 en
dc.description.abstract Sharing of Bifidobacterium longum strains had recently been shown to occur among Japanese family members, a phenomenon that is not confined to mother-infant pairs. In the current study, we investigated if bathtub water is a possible vehicle for the exchange of strains as a consequence of a Japanese custom to share bathtub water by family members during bathing practices. A total of twenty-one subjects from five Japanese families, each consisting of parents with either 2 or 3 children, were enrolled in this study and the fecal microbiota of all participants was determined. Viable bifidobacterial strains were isolated from all bathtub water samples. A subsequent comparative genome analysis using ninety-eight strains indicated that certain strain-sets, which were isolated from feces and bathtub water, share near identical genome sequences, including CRISPR/Cas protospacers. By means of unweighted UniFrac distance analysis based on 16S rRNA gene analysis of 59 subjects from sixteen Japanese families, we showed that the fecal microbiota composition among family members that share bathtub water is significantly closer than that between family members that do not engage in this practice. Our results indicate that bathtub water represents a vehicle for the transmission of gut bacteria, and that the Japanese custom of sharing bathtub water contributes to the exchange of gut microbes, in particular bifidobacteria, among family members. en
dc.description.sponsorship FEMS-RG-2016-0103; 17/IFB/5429 en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Springer Nature Ltd en
dc.relation.uri https://www.nature.com/articles/s41598-019-40938-3
dc.rights © The Author(s) 2019 en
dc.rights.uri https://creativecommons.org/licenses/by/4.0/ en
dc.subject Bifidobacterium longum en
dc.subject Japanese family members en
dc.subject Bathtub water en
dc.subject Exchange of strains en
dc.subject Shared gut microbe en
dc.title Impact of a bathing tradition on shared gut microbe among Japanese families en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Douwe van Sinderen, School of Microbiology, University College Cork, Cork, Ireland. +353-21-490-3000 Email: d.vansinderen@ucc.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.contributor.funder Morinaga Milk Industry Co. Ltd en
dc.contributor.funder Science Foundation Ireland en
dc.contributor.funder Federation of European Microbiological Societies en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Scientific Reports en
dc.internal.IRISemailaddress d.vansinderen@ucc.ie en
dc.identifier.articleid 4380 en
dc.relation.project info:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2273/IE/Alimentary Pharmabiotic Centre (APC) - Interfacing Food & Medicine/ en
dc.identifier.eissn 2045-2322


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