Peer-reviewed veterinary case report
Fungal types in the mouths of healthy and sick dogs with gum disease
By Niemiec, Brook A et al.·Published in American journal of veterinary research·2021·View original on PubMed →
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Original publication title: The mycobiome of the oral cavity in healthy dogs and dogs with periodontal disease.
- Species:
- dog
Plain-English summary
A study looked at the types of fungi found in the mouths of healthy dogs and those with different stages of gum disease (periodontal disease). Researchers found a wide variety of fungi, with some species more common in dogs with gum disease. For example, certain fungi were linked to more severe stages of the disease. This research shows that the oral cavity of dogs has a diverse fungal community, which could help veterinarians understand and treat periodontal disease better.
People also search for: dog gum disease symptoms · dog oral fungi · periodontal disease treatment for dogs
Abstract
OBJECTIVE: To investigate the mycobiome of the oral cavity in healthy dogs and dogs with various stages of periodontal disease. ANIMALS: 51 dogs without periodontal disease (n = 12) or with mild (10), moderate (19), or severe (10) periodontal disease. PROCEDURES: The whole maxillary arcade of each dog was sampled with a sterile swab, and swabs were submitted for next-generation DNA sequencing targeting the internal transcribed spacer 2 region with a commercial sequencing platform. RESULTS: Fungi were detected in all samples, with a total of 320 fungal species from 135 families detected in the data set. No single fungal species was found in all samples. The 3 most frequently found fungal species were Cladosporium sp (46/51 samples), Malassezia restricta (44/51 samples), and Malassezia arunalokei (36/51 samples). Certain fungi, specifically those of the family Didymellaceae, the family Irpicaceae, and the order Pleosporales, were significantly associated with different stages of periodontitis. Mycobial analysis indicated that Cladosporium sp could be considered part of the core oral cavity mycobiome. CONCLUSIONS AND CLINICAL RELEVANCE: Results highlighted that fungi are present in the oral cavity of dogs and are characterized by substantial species diversity, with different fungal communities associated with various stages of periodontal disease. The next-generation DNA sequencing used in the present study revealed substantially more species of fungi than previous culture-based studies.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/34727047/