Abstract
A Gram-positive-staining, aerobic, endospore-forming bacterium, isolated from a necrotic wound of a 35-year-old man was studied in detail to determine its taxonomic position. Based on 16S rRNA gene sequence similarity comparisons, strain CCUG 53270(T) was grouped into the genus Paenibacillus, most closely related to the type strains of Paenibacillus rigui (97.2 %), Paenibacillus xylanisolvens (96.3 %) and Paenibacillus chinjuensis (96.1 %). The 16S rRNA gene sequence similarity to strains of other Paenibacillus species was ≤96 %. Chemotaxonomic characterization supported the allocation of the strain to the genus Paenibacillus. The major menaquinones were MK-7 (85 %) and MK-6 (15 %). The polar lipid profile contained the major compounds diphosphatidylglycerol, phosphatidylmonomethylethanolamine, phosphatidylethanolamine and phosphatidylglycerol. The polyamine pattern contained predominantly spermidine. The major fatty acids were iso- and anteiso-branched fatty acids. The results of physiological and biochemical tests allowed phenotypic differentiation of strain CCUG 53270(T) from closely related species. Thus, strain CCUG 53270(T) represents a novel species of the genus Paenibacillus, for which the name Paenibacillus vulneris sp. nov. is proposed, with CCUG 53270(T) ( = JCM 18268(T)) as the type strain.
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