耐甲氧西林金黄色葡萄球菌临界株的进一步鉴定及青霉素结合蛋白分析
Further characterization of borderline methicillin-resistant Staphylococcus aureus and analysis of penicillin-binding proteins.
作者信息
Montanari M P, Tonin E, Biavasco F, Varaldo P E
机构信息
Institute of Microbiology, University of Ancona Medical School, Italy.
出版信息
Antimicrob Agents Chemother. 1990 May;34(5):911-3. doi: 10.1128/AAC.34.5.911.
Eighty-nine Staphylococcus aureus strains were grouped according to their susceptibility or resistance to methicillin and oxacillin. The role of beta-lactamase in borderline methicillin resistance was confirmed by tests with beta-lactamase inhibitors, particularly when salt-supplemented medium was used. A penicillin-binding protein assay indicated that borderline methicillin-resistant S. aureus strains do not produce PBP 2a.
89株金黄色葡萄球菌根据其对甲氧西林和苯唑西林的敏感性或耐药性进行分组。通过使用β-内酰胺酶抑制剂进行测试，证实了β-内酰胺酶在临界甲氧西林耐药中的作用，特别是在使用补充盐的培养基时。青霉素结合蛋白分析表明，临界甲氧西林耐药的金黄色葡萄球菌菌株不产生PBP 2a。
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