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Extracts of cranberry, rich in flavonols and proanthocyanins, inactivatedβ-glucuronidase (GUS) in assays using either purified bacterial GUS or preparations of transgenic tobacco (Nicotiana tabacum L.) or transgenic cranberry (Vaccinium macrocarpon Ait.) expressing thegusA gene. Histochemical GUS
Extracts of cranberry, rich in flavonols and proanthocyanins, inactivated β-glucuronidase (GUS) in assays using either purified bacterial GUS or preparations of transgenic tobacco (Nicotiana tabacum L.) or transgenic cranberry (Vaccinium macrocarpon Ait.) expressing the gusA gene. Histochemical GUS
Tartary buckwheat (Fagopyrum tataricum Gaertn.) contains high concentrations of flavonoids. The flavonoids are mainly represented by rutin, anthocyanins and proanthocyanins in tartary buckwheat. R2R3-type MYB transcription factors (TFs) play key roles in the transcriptional regulation of the
Biochemical, transgenic, and genetic complementation data demonstrate that three glutathione S-transferases are involved in the storage of anthocyanins, flavonols, and proanthocyanins in plant cells. Flavonoids are compounds in tea (Camellia sinensis) that confer the characteristic astringent taste