title: Methods for protoplast formation in Escherichia coli.
mesh_terms: D002473:Cell Wall / Q000378:metabolism; D004926:Escherichia coli / Q000648:ultrastructure*; D008722:Methods; D009113:Muramidase / Q000378:metabolism; D011523:Protoplasts / Q000648:ultrastructure
chemical_list: D009113:Muramidase