A highly regio- and donor-specific 2''-O-rhamnosyltransferase GuRhaGT was characterised from the medical plant Glycyrrhiza uralensis. GuRhaGT could efficiently catalyse rhamnosylation at 2''-OH of the C-3 glycosyl moiety of triterpenoid saponins.

A highly efficient and promiscuous 7,4′-di-O-glycosyltransferase ZjOGT3 was discovered from the medicinal plant Ziziphus jujuba var. spinosa. ZjOGT3 could sequentially catalyse 4′- and 7-O-glycosylation of flavones to produce 7,4′-di-O-glycosides with...

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