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Characterization of a Gemella-like organism from the oral cavity of a dog: description of Gemella palaticanis sp. nov.

¹ Department of Food Science and Technology, University of Reading, Reading RG6 6AP, UK
² SAC Veterinary Science Division, Drummond Hill, Inverness, UK
³ Culture Collection, Department of Clinical Bacteriogy, University of Göteborg, Göteborg, Sweden

Author for correspondence: Matthew D. Collins. Tel: +44 118 935 7000. Fax: +44 118 926 7917. e-mail: david.collins{at}bbsrc.ac.uk

ABSTRACT

A hitherto unknown Gram-positive, catalase-negative, facultatively anaerobic coccus isolated from a vesicle on the gum of a dog was characterized by phenotypic and molecular taxonomic methods. Comparative 16S rRNA gene sequencing studies demonstrated that the isolate represents a new subline within the genus Gemella. The unknown bacterium was readily distinguished from all currently described members of this genus, Gemella haemolysans, Gemella bergeri, Gemella morbillorum and Gemella sanguinis, by biochemical tests and electrophoretic analysis of whole-cell proteins. On the basis of phylogenetic and phenotypic evidence, it is proposed that the unknown bacterium be classified as Gemella palaticanis sp. nov. The type strain of Gemella palaticanis is CCUG 39489^T.

Key Words: Gemella palaticanis sp. nov. • taxonomy • phylogeny • 16S rRNA

The GenBank accession number for the 16S rRNA gene sequence of strain CCUG 39489^T is Y17280.

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