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Vaginimicrobium propionicum gen. nov., sp. nov., a novel propionic acid bacterium derived from human vaginal discharge

Abstract : A Gram-stain-positive anaerobic rod-shaped bacterium, designated strain Marseille-P3275(T), was isolated using culturomics from the vaginal discharge of healthy French woman. Marseille-P3275T was non-motile and did not form spores. Cells had neither catalase nor oxidase activity. The major fatty acids were C-16:0 (29%), C-18:1 omega 9 (18%), and iso-C-15:0 (17%). The genomic DNA G+C content was 50.64 mol%. The phylogenetic analysis based on 16S rRNA gene sequence indicated that Marseille-P3275T was related to members of the family Propionibacteriaceae (between 90.32-92.92% sequence similarity) with formation of a clade with the monospecific genus Propionimicrobium (type species Propionimicrobium lymphophilum). On the basis of these phylogenetic and phenotypic differences, Marseille-P3275(T) was classified in a novel genus, Vaginimicrobium, as Vaginimicrobium propionicum gen. nov., sp. nov. The type strain is Marseille-P3275(T) (=CSUR P3275(T)=CECT 9677(T)).
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https://hal-amu.archives-ouvertes.fr/hal-03150176
Contributor : Isabelle Combe <>
Submitted on : Tuesday, February 23, 2021 - 3:35:28 PM
Last modification on : Wednesday, March 17, 2021 - 9:26:04 AM

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Khoudia Diop, Frederic Cadoret, Thi Tien Nguyen, Jean-Pierre Baudoin, Nicholas Armstrong, et al.. Vaginimicrobium propionicum gen. nov., sp. nov., a novel propionic acid bacterium derived from human vaginal discharge. International Journal of Systematic and Evolutionary Microbiology, 2020, 70 (7), pp.4091-4097. ⟨10.1099/ijsem.0.004106⟩. ⟨hal-03150176⟩

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