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. 2021 Sep 30;20:191. doi: 10.1186/s12934-021-01672-6

Fig. 4.

Fig. 4

Impact of harvest time in fed-batch GFP1-10 production on quality of GFP1-10 detector solution. Samples for preparation of GFP1-10 detector solution were taken 8, 9, 10 and 11 h after induction of GFP1-10 expression in E. coli BL21(DE3) pET22b-sfGFP1-10 with IPTG. A Cell dry weight of fed-batch fermentation in DeLisa defined medium. Dashed black lines indicate start and end of feed-phase and dotted lines indicate sampling times. B Split GFP assay with detector solutions derived from fermentation samples 8, 9, 10 and 11 h after induction. Supernatant containing cutinase-GFP11 was mixed with the detector solutions, respectively. Data is shown as mean of eight technical replicates with standard deviation