Related Experiment Videos
[Plasmid-encoded antibiotic resistance in Staphylococcus hyicus]
S Schwarz1, M Cardoso, H Blobel
1Institut für Bakteriologie und Immunologie der Justus-Liebig-Universität Giessen.
Abstract:
A total of 33 Staphylococcus hyicus-cultures from piglets with exudative epidermatitis were analyzed for the presence of antibiotic resistance plasmids. Four small plasmids encoding resistances to chloramphenicol, macrolide-lincosamide-antibiotics, streptomycin or tetracyclines could be identified in plasmid-curing and plasmid-transformation experiments. For further characterization these plasmids were digested with restriction endonucleases. This led to the construction of a specific restriction map for each of the 4 plasmids. On the basis of their restriction maps, these 4 antibiotic resistance plasmids from "porcine" S. hyicus-cultures were compared with the respective resistance plasmids of other staphylococcal species from infections of humans and animals.
Insights
Antibiotic resistance plasmids were identified in Staphylococcus hyicus from piglets with exudative epidermatitis. These plasmids confer resistance to common antibiotics like tetracyclines and chloramphenicol.
Area of Science:
- Microbiology
- Molecular Biology
- Veterinary Science
Context:
- Exudative epidermatitis is a contagious skin disease in piglets.
- Staphylococcus hyicus is a common bacterial pathogen in swine.
- Antibiotic resistance in bacteria poses a significant threat to animal and human health.
Purpose:
- To identify and characterize antibiotic resistance plasmids in Staphylococcus hyicus isolates from piglets with exudative epidermatitis.
- To compare these plasmids with those found in other staphylococcal species.
Summary:
- Antibiotic resistance plasmids were investigated in 33 Staphylococcus hyicus cultures from piglets exhibiting exudative epidermatitis.
- Four small plasmids conferring resistance to chloramphenicol, macrolide-lincosamide-antibiotics, streptomycin, and tetracyclines were identified.
- Restriction mapping was performed to characterize these plasmids and compare them to resistance plasmids from other staphylococcal species affecting humans and animals.
Impact:
- Understanding the genetic basis of antibiotic resistance in S. hyicus can inform strategies for disease control and prevention in swine.
- This research contributes to the broader understanding of antibiotic resistance dissemination among staphylococcal species.
- The findings may aid in developing targeted interventions to mitigate the spread of antibiotic-resistant bacteria in livestock and potentially to humans.