alexa Cultivable oral microbiota of domestic dogs.
Dentistry

Dentistry

Dentistry

Author(s): Elliott DR, Wilson M, Buckley CM, Spratt DA

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Abstract Bacteria were isolated from the dental plaques of nine dogs and a sample of pooled saliva from five other dogs and were then identified by comparative 16S rRNA gene sequencing. Among 339 isolates, 84 different phylotypes belonging to 37 genera were identified. Approximately half of the phylotypes were identified to the species level, and 28\% of these were considered members of the indigenous oral microbiota of humans. The 16S rRNA gene sequences of the remaining 44 phylotypes were not represented in GenBank, and most of these phylotypes were tentatively identified as candidate new species. The genera most frequently isolated from saliva were Actinomyces (26\%), Streptococcus (18\%), and Granulicatella (17\%). The genera most frequently isolated from plaque were Porphyromonas (20\%), Actinomyces (12\%), and Neisseria (10\%). A comparison of the DNA sequences from this study with sequences of the human microbiota available in GenBank showed that, on average, canine and human microbiotas differed by almost 7\% in the 16S rRNA gene. In conclusion, this study has shown that the cultivable oral microbiotas of dogs and humans show significant differences.
This article was published in J Clin Microbiol and referenced in Dentistry

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