Modified penicillin enrichment procedure for the selection of bacterial mutants.
Penicillin enrichment and selection of biochemical mutants was performed on agar plates. With this technique, there is an optimum penicillin exposure time for the greatest yield of a particular auxotroph.
D000362:Agar; D001120:Arginine / Q000378:metabolism; D001431:Bacteriological Techniques; D002470:Cell Survival; D004926:Escherichia coli / Q000302:isolation & purification* / Q000378:metabolism; D006639:Histidine / Q000378:metabolism; D007532:Isoleucine / Q000378:metabolism; D009153:Mutagens; D009154:Mutation; D009604:Nitrosoguanidines; D010400:Penicillin G; D013696:Temperature
D009153:Mutagens; D009604:Nitrosoguanidines; D007532:Isoleucine; D006639:Histidine; D000362:Agar; D001120:Arginine; D010400:Penicillin G