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. 2018 Mar 2;115(12):2970–2975. doi: 10.1073/pnas.1720129115

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Copyright © 2018 the Author(s). Published by PNAS.

This open access article is distributed under Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0 (CC BY-NC-ND).

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Fig. 4. — Production of vanillic acid and catechol with the expression of aromatic transporter CouP under pTrc promoter (IPTG) or ADH7 promoter (vanillin). (A) Schematic of the constructs for the expression of catechol biosynthesis pathway with the aromatic transporter CouP under promoter pTrc and promoter ADH7, respectively. (B) Vanillic acid and (C) catechol production from the strains expressing the catechol biosyntheis pathway with (CVMY) and without (VMY) the aromatic transporter CouP under promoter pTrc. (D) Vanillic acid and (E) catechol production from the strains expressing the catechol biosyntheis pathway with (ACVMY) and without (AVMY) the aromatic transporter CouP under promoter ADH7.