A quorum sensing antagonist with dual bacterium- and host-directed anti-pathogenic activity against Pseudomonas aeruginosa
It is demonstrated that Spongosorites sp-derived bisindole alkaloid (R)-6’-debromohamacanthin B (RDB) exerts dual bacterium-directed and host-directed activities, simultaneously attenuating virulence and biofilm formation while reinforcing host defense and controlling pathological inflammation.