Bacteriophage encoded resistance,anti-sense RNA,suicide trap and the application of restriction and modification system are several anti-bacteriophage tactics developed recently.

• 噬菌体编码的抗性、反义RNA技术、自杀陷阱及限制/修饰系统的应用是近年来发展起来的几种抗噬菌体策略,着重对其作用机制、研究进展及其意义作一介绍。