This review focuses on the latest research and function of quorum sensing, and describes the prosperity of application in biotechnology. 笔者综述了细菌的群体感应系统的最新进展及群体感应的作用，并阐述了其在生物技术领域的应用前景。
A number of quorum sensing systems have been found in Gram-positive and in Gram-negative bacteria, which control the expression of multiple genes. 目前，已在许多革兰氏阳性菌和阴性菌中发现了群体感应系统，调控许多基因的表达。
