Auxotrophic mutant production utilizing staphcillin.
D000818:Animals; D001407:Bacillus / Q000494:pharmacology*; D007313:Insecta; D008712:Methicillin; D010406:Penicillins / Q000494:pharmacology*
D010406:Penicillins; D008712:Methicillin
BACILLUS/pharmacology; PENICILLIN/pharmacology