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Laboratoire de Bactériologie – Virologie, Hôpital de la Timone, CNRS UMR 6236, CNRS-IRD, IFR48, 264 rue Saint-Pierre, 13385 Marseille, Cedex 05, France
Correspondence
Véronique Roux
vroux91{at}hotmail.com
Gram-positive, non-spore-forming rods (strain 6401990T), isolated from a human cutaneous discharge were subjected to a polyphasic taxonomy study. The only respiratory quinone was MK-7 and the major fatty acids were anteiso-C15 : 0 (34.3 %), anteiso-C17 : 0 (18.7 %) and iso-C16 : 0 (18.6 %). Mycolic acids were not present. Polar lipids present were phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine and unidentified glycolipids. The isomer of diaminopimelic acid identified was meso-diaminopimelic acid, and the analysis of whole-cell sugars showed the presence of high amounts of galactose, ribose and some glucose. The G+C content of strain 6401990T was 68.6 %. Phylogenetic analysis based on 16S rRNA gene sequence comparisons showed 95.1 % similarity with Dermabacter hominis. On the basis of phenotypic data and phylogenetic inference, it is proposed that this strain represents a novel species in a new genus of the family Dermabacteraceae, for which the name Helcobacillus massiliensis gen. nov., sp. nov. is proposed. The type strain is 6401990T (CSUR P17T=CIP 109418T=CCUG 53859T).
The GenBank accession number for the 16S rRNA gene sequence of Helcobacillus massiliensis strain 6401990T is EU477050.
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