title: Cell-wall defective variants of Treponema pallidum.
mesh_terms: D002473:Cell Wall; D003470:Culture Media; D008712:Methicillin; D008854:Microscopy, Electron; D009113:Muramidase; D010405:Penicillinase; D010406:Penicillins / Q000494:pharmacology; D013194:Staining and Labeling; D014208:Treponema / Q000187:drug effects; D014210:Treponema pallidum / Q000166:cytology*
chemical_list: D003470:Culture Media; D010406:Penicillins; D009113:Muramidase; D010405:Penicillinase; D008712:Methicillin