title: Modification of the cell wall in Brevibacterium sp. M 27.
mesh_terms: D001951:Brevibacterium / Q000166:cytology* / Q000187:drug effects; D002473:Cell Wall / Q000648:ultrastructure; D009113:Muramidase / Q000494:pharmacology; D010406:Penicillins / Q000494:pharmacology
chemical_list: D010406:Penicillins; D009113:Muramidase