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On September 28, Metabolic Engineering Communications published an online report entitled "Diversion of metabolic flux towards 5-deoxy(iso)flavonoid production via enzyme self-assembly in Escherichia coli " by Wang Yong's research group from the Center for Excellence in Molecular Plant Science, Chinese Academy of Sciences .
Flavonoids are polyphenols with C6-C3-C6 structure.
In this work, the author excavated the chalcone reductase (CHR) gene in licorice based on genomic information, and constructed the synthesis pathway of 5-deoxyflavonoid glycyrrhizin in E.
In order to further increase the total carbon metabolism flux, the stoichiometric arrangement of the three catalytic sequences of GmCHS7, GuCHR and MsCHI from alfalfa ( Medicago sativa ) was used to design 15 protein scaffolds, which increased the total flavonoid production by 1.
Dr.
Link to the paper: https://doi.