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Modular engineering of coculture for efficient production of resveratrol from glucose and arabinose mixture

Synth Syst Biotechnol. 2022-03; 
Jia Li, Zetian Qiu, Guang-Rong Zhao
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Gene Synthesis … by GenScript (Nanjing, China). The resveratrol biosynthetic pathway genes were amplified from pCDF-T7-PcTAL-T7-At4CL and pET-T7-VvSTS [27], respectively. The CgaccBC and … Get A Quote

摘要

Resveratrol, a valuable plant-derived polyphenolic compound with various bioactivities, has been widely used in nutraceutical industries. Microbial production of resveratrol suffers from metabolic burden and low malonyl-CoA availability, which is a big challenge for synthetic biology. Herein, we took advantage of coculture engineering and divided the biosynthetic pathway of resveratrol into the upstream and downstream strains. By enhancing the supply of malonyl-CoA via CRISPRi system and fine-tuning the expression intensity of the synthetic pathway genes, we significantly improved the resveratrol productivity of the downstream strain. Furthermore, we developed a resveratrol addiction circuit that coupled the gr... More

关键词

CRISPRi, Coculture, Metabolic engineering, Resveratrol, Resveratrol addiction, Synthetic biology
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