AiiA protein, blocking the bacterial quorum sensing by hydrolyzing AHL-lactone, can greatly attenuate the disease caused by many bacterial pathogens in which quorum sensing regulate the expression of virulence genes.

• AiiA蛋白通过破坏病原菌的信号分子来阻断病原菌的群体感应调节系统；达到抗病的目的；是一种新型的抗病蛋白.