title: Effect of growth phase of host bacteria on synthesis of R factor-mediated penicillinase.
mesh_terms: D000123:Acetyltransferases / Q000096:biosynthesis / Q000378:metabolism; D000667:Ampicillin / Q000494:pharmacology; D002701:Chloramphenicol / Q000494:pharmacology; D004926:Escherichia coli / Q000187:drug effects / Q000201:enzymology / Q000254:growth & development*; D005111:Extrachromosomal Inheritance; D005796:Genes; D010403:Penicillin Resistance; D010405:Penicillinase / Q000096:biosynthesis* / Q000378:metabolism; D011513:Proteus mirabilis / Q000187:drug effects / Q000201:enzymology / Q000254:growth & development*; D013307:Streptomycin / Q000494:pharmacology; D013449:Sulfonamides / Q000494:pharmacology; D013752:Tetracycline / Q000494:pharmacology; D014158:Transcription, Genetic
chemical_list: D013449:Sulfonamides; D002701:Chloramphenicol; D000667:Ampicillin; D000123:Acetyltransferases; D010405:Penicillinase; D013752:Tetracycline; D013307:Streptomycin