De Novo Biosynthesis of Methyl Cinnamate in Engineered Escherichia coli. 2022

Daoyi Guo, and Shaoting Wu, and Xiao Fu, and Hong Pan
Key Laboratory of Organo-Pharmaceutical Chemistry, Jiangxi Province, Gannan Normal University, Ganzhou 341000, China.

Methyl cinnamate with a fruity balsamic odor is an important fragrance ingredient in perfumes and cosmetics. Chemical processes are currently the only means of producing methyl cinnamate. But consumers prefer natural flavors. Therefore, it is necessary to design and develop microbial cell factories for the production of methyl cinnamate. In this study, we established for the first time a biosynthetic pathway in engineered Escherichia coli for production of methyl cinnamate from glucose. We further increased the methyl cinnamate production to 302 mg/L by increasing the availability of the metabolic precursors. Finally, the titer was increased to 458 mg/L in a two-phase culture system.

UI MeSH Term Description Entries
D002934 Cinnamates Derivatives of cinnamic acid (the structural formula: phenyl-HC Cinnamate
D004926 Escherichia coli A species of gram-negative, facultatively anaerobic, rod-shaped bacteria (GRAM-NEGATIVE FACULTATIVELY ANAEROBIC RODS) commonly found in the lower part of the intestine of warm-blooded animals. It is usually nonpathogenic, but some strains are known to produce DIARRHEA and pyogenic infections. Pathogenic strains (virotypes) are classified by their specific pathogenic mechanisms such as toxins (ENTEROTOXIGENIC ESCHERICHIA COLI), etc. Alkalescens-Dispar Group,Bacillus coli,Bacterium coli,Bacterium coli commune,Diffusely Adherent Escherichia coli,E coli,EAggEC,Enteroaggregative Escherichia coli,Enterococcus coli,Diffusely Adherent E. coli,Enteroaggregative E. coli,Enteroinvasive E. coli,Enteroinvasive Escherichia coli
D053898 Biosynthetic Pathways Sets of enzymatic reactions occurring in organisms and that form biochemicals by making new covalent bonds. Biosynthetic Pathway,Pathway, Biosynthetic,Pathways, Biosynthetic
D060847 Metabolic Engineering Methods and techniques used to genetically modify cells' biosynthetic product output and develop conditions for growing the cells as BIOREACTORS. Engineering, Metabolic

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