ALLSCHWIL, Switzerland--(BUSINESS WIRE)--Today, Polyphor Ltd published the discovery of a new class of antibiotics with a novel mode of action (Science, VOL 327, ISSUE 5968). This proprietary new class of antibiotics is effective against multi-drug resistant Gram-negative bacteria, opening up new treatment options for serious and often life-threatening infections. The most advanced drug candidate in this new class, POL7080, selectively kills the dangerous bacteria Pseudomonas aeruginosa.