
An inhibitor-based characterization system which allowed the identification of beta-lactamases after isoelectric focusing on polyacrylamide gels was developed. This system, using potassium clavulanate and oxacillin, distinguished type I chromosomally mediated enzymes from other beta-lactamases of gram-negative bacteria.
Clavulanic Acids, Gram-Negative Bacteria, Isoelectric Focusing, Cloxacillin, beta-Lactamases
Clavulanic Acids, Gram-Negative Bacteria, Isoelectric Focusing, Cloxacillin, beta-Lactamases
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