Fig. 7

De novo production of pyrogallol. A Strain E. coli BW25113 (Fʹ) with pZE-AroZ-PobA^** and pCS-PDC (CTT16) was used. B Strain CTT5 with pZE-AroZ-PobA^** and pCS-PDC (CTT17) was used. C Strain CTT6 with pZE-AroZ-PobA^** and pCS-PDC (CTT18) was used. D Strain E. coli BW25113 (Fʹ) with pZE-AroZ-PobA^*** and pCS-PDC (CTT19) was used. E Strain CTT5 with pZE-AroZ-PobA^*** and pCS-PDC (CTT20) was used. F Strain CTT6 with pZE-AroZ-PobA^*** and pCS-PDC (CTT21) was used. G The production of 3,4-DHBA, GA, catechol and pyrogallol with the strain CTT16, CTT17, CTT18, CTT19, CTT20 and CTT21 in 48 h