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. 2020 Aug 19;9(9):526. doi: 10.3390/antibiotics9090526

Figure 4.

Figure 4

Effect of Camellia sinensis and Olea europaea extracts on the transcription of quorum sensing (QS)-regulated genes of P. aeruginosaC21. Bar chart of the qRT-PCR analysis representing the relative transcription levels of lasI, lasR, rhlI, and rhlR genes treated with sub-MIC levels of Camellia sinensis (3.125 mg/mL) and Olea europaea (6.25 mg/mL), normalized with the reference gene 5s RNA and compared to the untreated control. The error bars indicate the standard deviations of three replicates. **** = p < 0.0001: significance was compared to the respective control.