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KMID : 0376219790160010077
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Chonnam Medical Journal
1979 Volume.16 No. 1 p.77 ~ p.82
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Isolation of methicillin-resistant Staphylococcus aureus
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Abstract
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Strains of Staphylococcus aureus were isolated from the air of various places of Chonnam University Hospital and from the pus of patient´s wounds. Degrees of their resistance to methicillin and some other biological characters were studied with the following results.
1. Of the 92 coagulase positive strains, only two(2.2%) were resistant to methicillin.
2. Minimal inhibitory concentration of the antibiotic against the two strains was higher when special sensitive screening techniques (incubating at 30°C, for longer time on 5% sodium chloride agar medium, and a larger inoculum) were applied.
3. The methicillin-resistant strains were also highly resistant to penicillin, and producing penicillinase which was detected by the rapid iodometric method.
4. These two resistant strains fermented mannitol and lysed rabbit RBC.
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