Fig. 4From: Regulation of bacteria population behaviors by AI-2 “consumer cells” and “supplier cells”The quantitative real-time PCR of AI-2 “supplier cells”. a. The relative transcription level of luxS in E. coli NK-SU1. b and c. The relative transcription levels of luxS and mtn in E. coli NK-SU2. The strain containing pTrcHisB was defined as 1 in the expression level of corresponding genesBack to article page