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Article Dans Une Revue Microorganisms Année : 2023

Leucobacter manosquensis sp. nov.—A Novel Bacterial Species Isolated from Healthy Human Skin

Résumé

Extending our knowledge on human skin microbiota is a challenge to better decipher its role in health and disease. Using the culturomics method, we isolated strain Marseille-Q4368 from the healthy forehead of a 59-year-old woman. We describe here the main characteristics of this bacterium using a taxonogenomic approach. This new bacterial species is Gram-positive, non-motile, and non-spore-forming. Its 16S rRNA sequence exhibited a similarity of 99.59% with Leucobacter chromiiresistens, the most closely related species in terms of nomenclature. However, a digital DNA–DNA hybridization analysis between these two species revealed a maximum identity similarity of only 27.5%. We found phenotypical and genomic differences between strain Marseille-Q4368 and its closely related species. These findings underscore the classification of this bacterium as a distinct species. Hence, we propose the name Leucobacter manosquensis sp. nov. strain Marseille-Q4368 (=CSUR Q4368 = DSM 112403) for this newly identified bacterial species.
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hal-04462954 , version 1 (16-02-2024)

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Manon Boxberger, Sibylle Magnien, Angeline Antezack, Clara Rolland, Marine Makoa Meng, et al.. Leucobacter manosquensis sp. nov.—A Novel Bacterial Species Isolated from Healthy Human Skin. Microorganisms, 2023, 11 (10), pp.2535. ⟨10.3390/microorganisms11102535⟩. ⟨hal-04462954⟩
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