Insects respond to bacterial challenge by the rapid and transient synthesis of alarge num ber of potent antibacterial peptites that are active against m any different bacteria.

• 近年来鉴定了的化学结构的昆虫抗菌肽的数目有迅速上升的趋势，一些新型昆虫抗菌肽相继被分离纯化。