Bacteroides maternus sp. nov., a novel species isolated from human faeces

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dc.contributor.authorda Silva Morais, Emileneen
dc.contributor.authorGrimaud, Ghjuvan M.en
dc.contributor.authorWarda, Alicjaen
dc.contributor.authorStephens, Niamhen
dc.contributor.authorRoss, R. Paulen
dc.contributor.authorStanton, Catherineen
dc.contributor.funderIFFen
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2025-05-13T08:54:21Z
dc.date.available2025-05-13T08:54:21Z
dc.date.issued2025en
dc.description.abstractA novel bacterial strain, MSB163, was isolated from the stool sample of a healthy mother, 4 weeks after giving birth via vaginal delivery. Taxonomic identification tools revealed that MSB163 belongs to the genus Bacteroides, but it is distinct from any currently known species. The closest related species is Bacteroides cellulosilyticus strain BFG- 250, with an average nucleotide identity (fastANI) of 94.51%. The genome length of MSB163 is 6,440,948 bp and the GC content 42.95%. Two plasmids were identified in the whole genome sequence. MSB163 is a Gram-negative, rod-shaped, non-motile anaerobic bacterium. The optimum growth conditions were at 37 °C, pH 7 and 0% (w/v) NaCl. The respiratory quinones were the menaquinones MK- 10 and MK- 11 and C15:0 ANTEISO was the major fatty acid. The predominant polar lipids were phosphatidylethanolamine, diphosphatidylglycerol and phospholipid. According to the taxonomic results and physiological analysis, strain MSB163 represents a novel species of the genus Bacteroides, for which we propose the name Bacteroides maternus, since the type strain was isolated from the stool sample of a mother. B. maternus type strain (MSB163) sequencing can be accessed under the biosample ID SAMN3953129 on NCBI. The strain was deposited on BCCM/LMG Bacteria Collection under the accession number LMG 33,374 and Leibniz Institut DSMZ GMBH under the accession number DSM 117,047.en
dc.description.sponsorshipScience Foundation Ireland (12/RC/2273_P2; 19/SP/6989)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid13808en
dc.identifier.citationda Silva Morais, E., Grimaud, G. M., Warda, A., Stephens, N., Ross, R. P. and Stanton, C. (2025) 'Bacteroides maternus sp. nov., a novel species isolated from human faeces', Scientific Reports, 15(1), 13808 (8pp). https://doi.org/10.1038/s41598-025-96846-2en
dc.identifier.doi10.1038/s41598-025-96846-2en
dc.identifier.issn20452322en
dc.identifier.issued1
dc.identifier.journaltitleScientific Reportsen
dc.identifier.urihttps://hdl.handle.net/10468/17442
dc.identifier.volume15
dc.language.isoenen
dc.publisherNature Researchen
dc.relation.project12/RC/2273_P2en
dc.relation.project19/SP/6989en
dc.rights© 2025, the Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectAnaerobic bacteriaen
dc.subjectBacteroides maternus noven
dc.subjectGut microbiomeen
dc.subjectNew speciesen
dc.titleBacteroides maternus sp. nov., a novel species isolated from human faecesen
dc.typeArticle (peer reviewed)en
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