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. 2019 Jun 12;7:130. doi: 10.3389/fbioe.2019.00130

Figure 4.

Figure 4

Modulation of expression of genomically integrated RtPAL, RsTAL, aroGfbr, and tyrAfbr. Increasing promoter strengths are listed from left to right. Cells were cultivated in biological triplicates in MSM containing 20 mM glucose as a sole carbon source at 30°C and 300 rpm in System Duetz plates, expression of ferulic genes was induced with 0.2 mM IPTG. Titers of final samples (96 h) are shown. Error bars indicate standard error of the mean.