- International Journal of Systematic and Evolutionary Microbiology
- Volume 47, Issue 3
f Characterization of Some Actinomyces-Like Isolates from Human Clinical Specimens: Reclassification of Actinomyces suis (Soltys and Spratling) as Actinobaculum suis comb. nov. and Description of Actinobaculum schaalii sp. nov.
- Authors: Paul A. Lawson, Enevold Falsen, Eva Åkervall, Peter Vandamme, Matthew D. Collins*
- *Corresponding author. Mailing address: Department of Microbiology, Institute of Food Research. Earley Gate, Whiteknights Road, Reading RG6 6BZ, United Kingdom. Phone: (44) 118 9357000. Fax: (44) 118 9267917. E-mail: David.Collins@bbsrc.ac.uk.
- Int J Syst Evol Microbiol, July 1997 47: 899-903, doi: 10.1099/00207713-47-3-899
- Subject: Original Papers Relating To Systematic Bacteriology
- Published Online:
Characterization of Some Actinomyces-Like Isolates from Human Clinical Specimens: Reclassification of Actinomyces suis (Soltys and Spratling) as Actinobaculum suis comb. nov. and Description of Actinobaculum schaalii sp. nov., Page 1 of 1< Previous page | Next page > /docserver/preview/fulltext/ijsem/47/3/ijs-47-3-899-1.gif
Five strains of a hitherto unknown Actinomyces-like bacterium were isolated from human clinical sources, including blood cultures. Biochemical and chemotaxonomic characterization indicated that the strains were distinct from previously described Actinomyces and Arcanobacterium species. A comparative 16S rRNA gene sequence analysis demonstrated that the undescribed strains constitute a new subline within the Actinomyces-Arcanobacterium species complex. The closest known relative of the isolates was found to be Actinomyces suis, although a 16S rRNA sequence divergence value of approximately 6% clearly demonstrated that the unknown bacterium represents a distinct species. Based on the results of the present and earlier phylogenetic investigations, it is proposed that Actinomyces suis should be reclassified in a new genus, the genus Actinobaculum, as Actinobaculum suis comb. nov. In addition, a new species, Actinobaculum schaalii, is proposed for the Actinomyces-like bacterium from human sources. The type strain of Actinobaculum schaalii is CCUG 27420.
Copyright © 1997 International Union of Microbiological Societies | Published by the Microbiology Society
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