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Institut für Medizinische Mikrobiologie und Immunologie der Universität Bonn, Sigmund-Freud-Straße 25, 53127 Bonn, Germany
Correspondence
A. F. Yassin
yassin{at}mibi03.meb.uni-bonn.de
A coryneform bacterium isolated from a cow with a profound ulceration was characterized by using phenotypic and molecular taxonomic methods. Chemotaxonomic investigations revealed the presence of cell-wall chemotype IV and short-chain mycolic acids consistent with the genus Corynebacterium. Comparative 16S rRNA gene sequencing showed that the organism formed a hitherto unknown subline within the genus Corynebacterium. Sequence divergence values of greater than 3.6 % from recognized Corynebacterium species, together with phenotypic differences, showed that the unidentified bacterium represents a new member of this genus. On the basis of phenotypic and phylogenetic considerations, it is proposed that the novel bacterium be classified as representing a novel species of the genus Corynebacterium, with the name Corynebacterium ulceribovis sp. nov. The type strain is IMMIB L-1395T (=DSM 45146T=CCUG 55727T).
An extended neighbour-joining phylogenetic tree based on 16S rRNA gene sequences is available as supplementary material with the online version of this paper.
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