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植物伯克霍尔德菌Burkholderia plantarii是引起水稻秧苗细菌性立枯病的重要病原菌之一,其侵染性、繁殖力及适应性均很强,严重威胁中国水稻生产。文章围绕B.plantarii的发生、危害及致病机理,着重论述了细菌群体感应系统(quorum sensing,QS)的生理功能及其在B.plantarii致病力调控方面的最新研究进展,并进一步从根际微生物互作角度,综述了种间信号分子对病原菌群体淬灭(quorum quenching)的作用机制,同时结合种间信号分子的独特性,展望了其在新型微生物杀菌剂研发中的重要性和应用潜力。
Burkholderia plantarii is one of the most important pathogenic bacteria that causes bacterial blight in rice seedlings. Its infectivity, fertility and adaptability are both very serious and threaten the rice production in China. The article focuses on the physiological function of bacterial quorum sensing (QS) and its latest research progress in the regulation of B.plantarii's pathogenicity, focusing on the occurrence, damage and pathogenesis of B.plantarii. The interaction mechanism of interspecific signal molecules on quorum quenching is reviewed. In the meantime, the importance and application of interspecific signal molecules in the development of novel microbial biocide are prospected potential.