Iranian journal of microbiology · 2025
Comparative molecular detection of Helicobacter spp. and Wolinella in the oral cavity of cats and dogs with periodontal disease and healthy individuals.
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Jamshidi Shahram, Mozafari Matin, Machiani Masoomeh Khanipour, Bashizade Mahdi
Аннотация
BACKGROUND AND OBJECTIVES: Helicobacter and Wolinella are gram-negative bacteria belonging to the Helicobacteraceae family. While Helicobacter species are well-known for their role in gastric disorders, emerging evidence suggests their presence in the oral cavity and potential involvement in periodontal diseases.
MATERIALS AND METHODS: Helicobacter and Wolinella species were investigated in 122 saliva and periodontal plaque samples from dogs and cats by DNA extraction, PCR amplification, and 16S rDNA gene identification.
RESULTS: Comparing the periodontitis group and the healthy group, a higher incidence of positive Wolinella and Helicobacter species was shown in both dog and cat groups. 16S rDNA genes of Helicobacter were detected in 60% of the cats and 67.7% of the dogs. Detection of 16S rDNA genes of the Wolinella group in felines was 78.3% which was higher than in canines (67.7%). Helicobacter felis (35%) was the most common species detected in cats, contrary to dogs, in which Helicobacter heilmannii (30%) detection was higher (in both groups). Helicobacter pylori was not detected in either group.
CONCLUSION: Comparing the occurrence of Helicobacter and Wolinella in the mouths of dogs and cats, their association with periodontal disease, and the possibility of a common source of infections between humans and companion animals is of great importance for the management of oral health in animals and humans.
MATERIALS AND METHODS: Helicobacter and Wolinella species were investigated in 122 saliva and periodontal plaque samples from dogs and cats by DNA extraction, PCR amplification, and 16S rDNA gene identification.
RESULTS: Comparing the periodontitis group and the healthy group, a higher incidence of positive Wolinella and Helicobacter species was shown in both dog and cat groups. 16S rDNA genes of Helicobacter were detected in 60% of the cats and 67.7% of the dogs. Detection of 16S rDNA genes of the Wolinella group in felines was 78.3% which was higher than in canines (67.7%). Helicobacter felis (35%) was the most common species detected in cats, contrary to dogs, in which Helicobacter heilmannii (30%) detection was higher (in both groups). Helicobacter pylori was not detected in either group.
CONCLUSION: Comparing the occurrence of Helicobacter and Wolinella in the mouths of dogs and cats, their association with periodontal disease, and the possibility of a common source of infections between humans and companion animals is of great importance for the management of oral health in animals and humans.