1887

Abstract

A non-lipophilic, coryneform bacterium isolated from a patient's wound caused by a dog bite was characterized by phenotypic, chemotaxonomic and molecular genetic methods. Chemotaxonomic features suggested assignment of the unknown bacterium to the genus . The isolate exhibited the following unusual features, which made it possible to phenotypically differentiate it from all other medically relevant corynebacteria: the Gram stain showed some very filamentous rods (>15 μm in length); some cells exhibited branching; colonies were domed and adherent to agar; the micro-organism was positive for pyrazinamidase, -glucosidase, -glucosidase and trypsin but negative for -galactosidase. 16S rRNA gene sequencing and partial gene sequencing showed that the closest phylogenetic relative, , exhibited more than 1.9 % and 17.9 % divergence with the unknown bacterium, respectively. Based on both phenotypic and molecular genetic data, it is proposed that the isolate should be classified as a novel species, sp. nov., with the type strain 1170 (=CCUG 58627 =DSM 45402).

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2010-11-01
2021-10-16
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