Autoinducer molecules, e.g., N-(3-oxododecanoyl)homoserine lactone, for Pseudomonas aeruginosa are described. The molecules regulate gene expression in the bacterium. Therapeutic compositions and therapeutic methods involving analogs and/or inhibitors of the autoinducer molecules also are described....http://www.google.com/patents/US6057288?utm_source=gb-gplus-sharePatent US6057288 - Autoinducer molecule