title: Penicillin beta-lactamase and penicillin acylase formation by gram-negative bacteria.
mesh_terms: D000581:Amidohydrolases; D001431:Bacteriological Techniques; D002854:Chromatography, Paper; D004755:Enterobacteriaceae / Q000201:enzymology*; D005111:Extrachromosomal Inheritance; D008365:Manometry; D010403:Penicillin Resistance; D010405:Penicillinase / Q000096:biosynthesis*; D010406:Penicillins / Q000378:metabolism*; D014050:Toluene / Q000494:pharmacology
chemical_list: D010406:Penicillins; D014050:Toluene; D000581:Amidohydrolases; D010405:Penicillinase