Oligonucleotide probes for detection of cephalosporinases among Bacteroides strains

P Mastrantonio, R Cardines, P Spigaglia
Antimicrobial Agents and Chemotherapy 1996, 40 (4): 1014-6
Two oligonucleotide probes selected from the sequences of cepA and cfxA genes, respectively, were used to detect beta-lactamase production among strains of the Bacteroides fragilis group. By using these probes, colony hybridization was shown to be a specific and rapid method for identifying the more prevalent beta-lactamase, CepA, and the rarer CfxA enzyme among B. fragilis strains.

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