title: Effect of penicillin on the biosynthesis of cell envelope in Bacillus megaterium.
mesh_terms: D001410:Bacillus megaterium / Q000187:drug effects*; D002462:Cell Membrane / Q000254:growth & development; D002473:Cell Wall / Q000254:growth & development; D010400:Penicillin G / Q000494:pharmacology*
chemical_list: D010400:Penicillin G