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1 Anaerobe Reference Unit, PHLS, University Hospital of Wales, Cardiff CF14 4XW, UK
2 School of Food Biosciences, University of Reading, Reading, UK
3 Culture Collection, Department of Clinical Bacteriology, University of Göteborg, Göteborg, Sweden
Correspondence
Val Hall
hallv{at}cardiff.ac.uk
A previously undescribed Actinomyces-like bacterium was isolated from a human dental abscess. Based on its cellular morphology and the results of biochemical testing the organism was tentatively identified as a member of the genus Actinomyces, but it did not correspond to any currently recognized species of this genus. Comparative 16S rRNA gene sequencing studies showed the bacterium represents a hitherto unknown subline within the genus Actinomyces, clustering within a group of species, which includes Actinomyces bovis, the type species of the genus. Based on biochemical and molecular phylogenetic evidence, it is proposed that the unknown organism recovered from a dental abscess be classified as a new species, Actinomyces oricola sp. nov. The type strain of Actinomyces oricola is R5292T (=CCUG 46090T=CIP 107639T).
The GenBank accession number for the 16S rRNA sequence of CCUG 46090T is AJ507295.
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