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[Drug-resistance markers from Salmonellae in Pasteurella multocida]
Veterinarno-Meditsinski Nauki
|January 1, 1980
Summary
Antibiotic resistance transfer occurred between bacterial strains, with Pasteurella multocida showing varied recipient abilities. Acquired resistance markers were unstable and spontaneously lost.
Area of Science:
- Microbiology
- Genetics
- Antimicrobial Resistance
Context:
- Investigating horizontal gene transfer (HGT) mechanisms in bacteria.
- Understanding the potential for antimicrobial resistance spread between different bacterial species.
Purpose:
- To determine the efficiency of resistance transfer from Salmonella Heidelberg to Pasteurella multocida.
- To assess the stability of acquired resistance markers in Pasteurella multocida.
Summary:
- A study transferred 7 antibiotic resistance markers from Salmonella Heidelberg to two Pasteurella multocida strains (No. 10 and Vladislavovo).
- Strain No. 10 showed a 20% recombination rate, while Vladislavovo exhibited a 10% rate, indicating differential recipient capabilities.
- The acquired resistance markers were unstable, with spontaneous loss observed during short-term cultivation in broth.
Impact:
- Highlights the variable efficiency of interspecies bacterial conjugation.
- Demonstrates the transient nature of acquired antibiotic resistance in certain bacterial recipients.
- Informs strategies for controlling the spread of antimicrobial resistance in veterinary and public health contexts.