penicillin-resistant and -susceptible strains of neisseria gonorrhoeae were evaluated for the presence of enzymes capable of degrading penicillin by incubation of [ ( 14 ) c ] benzylpenicillin with resting-cell suspensions of n. gonorrhoeae followed by extraction and chromatography of the labeled antibiotic .
C0030827
benzylpenicillin
C0018081
gonorrhoeae