title: Ultrastructure of the envelope during glucosamine starvation and penicillin treatment of a mutant of Escherichia coli.
mesh_terms: D002462:Cell Membrane / Q000187:drug effects / Q000648:ultrastructure*; D004926:Escherichia coli / Q000187:drug effects / Q000378:metabolism / Q000648:ultrastructure*; D005944:Glucosamine / Q000378:metabolism*; D008854:Microscopy, Electron; D009154:Mutation; D010406:Penicillins / Q000494:pharmacology*; D013104:Spheroplasts / Q000648:ultrastructure
chemical_list: D010406:Penicillins; D005944:Glucosamine