title: State of the rigid-layer in celll walls of some gram-negative Bacteria.
mesh_terms: D002458:Cell Fractionation; D002473:Cell Wall / Q000032:analysis; D004926:Escherichia coli / Q000166:cytology*; D006651:Histocytochemistry; D008074:Lipoproteins / Q000032:analysis; D008854:Microscopy, Electron; D010457:Peptidoglycan / Q000032:analysis; D011511:Proteus / Q000166:cytology*; D011513:Proteus mirabilis / Q000166:cytology; D011550:Pseudomonas aeruginosa / Q000166:cytology*; D013139:Spirillum / Q000166:cytology*
chemical_list: D008074:Lipoproteins; D010457:Peptidoglycan