Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/66056
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Type: Journal article
Title: Phylogenetic analysis of Porphyromonas species isolated from the oral cavity of Australian marsupials
Author: Mikkelsen, D.
Milinovich, G.
Burrell, P.
Huynh, S.
Pettett, L.
Blackall, L.
Trott, D.
Bird, P.
Citation: Environmental Microbiology, 2008; 10(9):2425-2432
Publisher: Blackwell Science Ltd
Issue Date: 2008
ISSN: 1462-2912
1462-2920
Statement of
Responsibility: 
Deirdre Mikkelsen, Gabriel J. Milinovich, Paul C. Burrell, Sharnan C. Huynh, Lyndall M. Pettett, Linda L. Blackall, Darren J. Trott and Philip S. Bird
Abstract: Porphyromonas species are frequently isolated from the oral cavity and are associated with periodontal disease in both animals and humans. Black, pigmented Porphyromonas spp. isolated from the gingival margins of selected wild and captive Australian marsupials with varying degrees of periodontal disease (brushtail possums, koalas and macropods) were compared phylogenetically to Porphyromonas strains from non-marsupials (bear, wolf, coyote, cats and dogs) and Porphyromonas gingivalis strains from humans using 16S rRNA gene sequence analysis. The results of the phylogenetic analysis identified three distinct groups of strains. A monophyletic P. gingivalis group (Group 1) contained only strains isolated from humans and a Porphyromonas gulae group (Group 2) was divided into three distinct subclades, each containing both marsupial and non-marsupial strains. Group 3, which contained only marsupial strains, including all six strains isolated from captive koalas, was genetically distinct from P. gulae and may constitute a new Porphyromonas species.
Keywords: Mouth; Animals; Marsupialia; Humans; Porphyromonas; Bacterial Infections; Periodontal Diseases; DNA, Bacterial; RNA, Ribosomal, 16S; Bacterial Typing Techniques; Polymerase Chain Reaction; Sequence Analysis, DNA; Phylogeny; Genes, rRNA; Molecular Sequence Data; Australia
Rights: © 2008 The Authors
RMID: 0020106756
DOI: 10.1111/j.1462-2920.2008.01668.x
Appears in Collections:Animal and Veterinary Sciences publications

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