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Plasmids of phage-Group-II Staphylococcus aureus
Journal of Medical Microbiology
|June 1, 1984
Summary
Most Staphylococcus aureus strains carry plasmids, with a notable increase in tetracycline resistance over 17 years. Small plasmids from Group-II strains share similarities with other staphylococcal plasmids.
Area of Science:
- Microbiology
- Bacteriology
- Molecular Biology
Background:
- Phage-Group-II Staphylococcus aureus frequently harbor plasmids.
- A rise in tetracycline resistance among these strains has been observed over the past 17 years.
Purpose of the Study:
- To characterize small plasmids from Group-II Staphylococcus aureus.
- To compare these plasmids with known staphylococcal plasmids.
Main Methods:
- Isolation of small plasmids from Group-II Staphylococcus aureus strains.
- Generation of restriction maps for the isolated plasmids.
- Comparison of restriction maps with existing staphylococcal plasmid data.
Main Results:
- Restriction maps were generated for several small plasmids from Group-II strains.
- These small plasmids exhibit similarities to previously characterized staphylococcal plasmids from other phage groups.
Conclusions:
- Small plasmids are common in phage-Group-II Staphylococcus aureus.
- The characterized plasmids are similar to other known staphylococcal plasmids, suggesting conserved features across different phage groups.