Reprogramming flavonoid glycosylation by bridging advanced biocatalysis and systems synthetic biology.

A review outlines how bridging advanced UGT biocatalysis with systems synthetic biology can enable scalable, green production of complex flavonoid glycosides despite low natural abundance and synthesis bottlenecks.

• Why it matters: Industrial access to flavonoid glycosides is limited by scarce plant extract yields and the stereochemical difficulty of chemical synthesis. Natural UGT use is further constrained by low catalytic efficiency, instability, and intracellular metabolic competition.
• What they did: The work surveys UGT discovery advances from sequence homology to multi-omics and AI-driven prediction, then details engineering strategies from active-site remodeling to distal allosteric control and computational design. It also covers systems metabolic engineering (UDP-sugar flux rewiring, sink elimination, and spatiotemporally decoupled consortia) plus cell-free synthesis cascades.
• The result: The integrated framework implies a scalable blueprint for sustainable biomanufacturing and points to future directions including AI-driven de novo enzyme design, autonomous single-cell dynamic regulation, and lignocellulosic biomass valorization.

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