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1 Collection de l'Institut Pasteur, Institut Pasteur, 2528 rue du Dr Roux, 75724 Paris cedex 15, France
2 Laboratoire de Génomique des Micro-organismes Pathogènes, Département Structure et Dynamique des Génomes, Institut Pasteur, 2528 rue du Dr Roux, 75724 Paris cedex 15, France
3 Unité de Génétique Mycobactérienne, Département Pathogénèse Microbienne, Institut Pasteur, 2528 rue du Dr Roux, 75724 Paris cedex 15, France
4 Molecular Diagnostics Unit, Department of Biological Sciences, Cork Institute of Technology, Rossa Avenue, Cork, Ireland
Correspondence
Catherine Dauga
cdauga{at}pasteur.fr
Nine unidentified Gram-positive, lipophilic corynebacteria were isolated from clinical and food samples and subjected to a polyphasic taxonomic analysis. The bacteria were distinguished from Corynebacterium species with validly published names by biochemical tests, fatty acid content and whole-cell protein analysis. Comparative 16S rRNA gene sequence analysis demonstrated unambiguously that the nine strains were related phylogenetically to the species Corynebacterium tuberculostearicum and represented a distinct subline within the genus Corynebacterium. On the basis of both phenotypic and phylogenetic evidence, the formal description of Corynebacterium tuberculostearicum sp. nov. is proposed. The type strain of C. tuberculostearicum is Medalle XT (=LDC-20T=CIP 107291T=CCUG 45418T=ATCC 35529T).
Present address: UMR de Génie et Microbiologie des Procédés Alimentaires, INRA, 78850 Thiverval-Grignon, France.
Present address: Plate-forme 4, Génopole, Institut Pasteur, 2528 rue du Dr Roux, 75724 Paris cedex 15, France.
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