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Polymerase chain reaction-based identification of clinically relevant Pasteurellaceae isolated from cats and dogs in
Jaroslaw Król1, Jacek Bania, Magdalena Florek
1Department of Pathology, University of Environmental and Life Sciences, Norwida St. 31, 50-375 Wroclaw, Poland. jkrol4@o2.pl
Abstract:
A set of polymerase chain reaction (PCR) assays for identification of the most important Pasteurellaceae species encountered in cats and dogs were developed. Primers for Pasteurella multocida were designed to detect a fragment of the kmt, a gene encoding the outer-membrane protein. Primers specific to Pasteurella canis, Pasteurella dagmatis, and Pasteurella stomatis were based on the manganese-dependent superoxide dismutase gene (sodA) and those specific to [Haemophilus] haemoglobinophilus on species-specific sequences of the 16S ribosomal RNA gene. All the primers were tested on respective reference and control strains and applied to the identification of 47 canine and feline field isolates of Pasteurellaceae. The PCR assays were shown to be species specific, providing a valuable supplement to phenotypic identification of species within this group of bacteria.
Insights
New polymerase chain reaction (PCR) assays accurately identify key Pasteurellaceae bacteria in dogs and cats. These PCR methods offer a valuable tool for species identification in veterinary diagnostics.
Area of Science:
- Veterinary Microbiology
- Molecular Diagnostics
- Bacterial Pathogenesis
Background:
- The Pasteurellaceae family includes important bacterial pathogens in companion animals.
- Accurate identification of Pasteurellaceae species is crucial for effective veterinary treatment.
- Traditional phenotypic identification methods can be time-consuming and may lack specificity.
Purpose of the Study:
- To develop and validate species-specific polymerase chain reaction (PCR) assays.
- To target key Pasteurellaceae species commonly found in cats and dogs.
- To provide a rapid and reliable diagnostic tool for veterinary laboratories.
Main Methods:
- Design of primers targeting specific genes: kmt for Pasteurella multocida, sodA for P. canis, P. dagmatis, and P. stomatis, and 16S ribosomal RNA for [Haemophilus] haemoglobinophilus.
- Testing of primer sets against reference and control strains.
- Application of developed PCR assays to identify Pasteurellaceae from 47 canine and feline field isolates.
Main Results:
- The developed PCR assays demonstrated high species specificity for the targeted Pasteurellaceae.
- Successful identification of Pasteurellaceae species from clinical samples.
- The PCR methods proved effective in differentiating between closely related species.
Conclusions:
- Novel PCR assays provide accurate and rapid species identification for important Pasteurellaceae in cats and dogs.
- These molecular methods serve as a valuable adjunct to conventional phenotypic identification.
- The developed assays can enhance diagnostic capabilities in veterinary microbiology.
