title: New antibiotic species formed in crosslinking polymyxin B to linear gramicidin dubos.
mesh_terms: D003432:Cross-Linking Reagents; D013293:Enterococcus faecalis / Q000187:drug effects; D006096:Gramicidin / Q000633:toxicity*; D011112:Polymyxin B / Q000633:toxicity*; D011113:Polymyxins / Q000633:toxicity*; D011550:Pseudomonas aeruginosa / Q000187:drug effects
chemical_list: D003432:Cross-Linking Reagents; D011113:Polymyxins; D006096:Gramicidin; D011112:Polymyxin B