this enzyme specifically glucosylates the 3'-hydroxy group of delphinidin-3-O-glucosyl-5-O-(6-O-caffeoylglucosyl)-3'-O-(6-O-caffeoylglucoside)-type anthocyanins containing glucose groups at the 3 and 5 positions, acts on delphinidin 3,5-di-O-glucoside in gentian, Gentiana triflora
Substrates: strict substrate specificity, 3'GT specifically glucosylates the 3'-hydroxy group of delphinidin-type anthocyanins containing glucose groups at the 3 and 5 positions and specifically uses UDP-glucose as the sugar donor, 3GT strictly requires three hydroxy groups on the B-ring for its substrates Products: -
Substrates: 3'GT glucosylates the 3'-hydroxy group of delphinidin 3,5-diglucoside, 2fold higher activity than with delphinidin 3-O-glucosyl-5-O-(6-O-caffeoylglucoside) as substrate Products: -
blue, from flowers at a pre-anthesis stage, 3'GT mRNA is abundant in petals at the first three developmental stages, but dramatically decreased in fully opened flowers
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EXPRESSION
ORGANISM
UNIPROT
LITERATURE
activities of dihydroflavonol reductase, anthocyanidin synthase and UDP-glucose: flavonoid 3-o-glucosyltransferase increase in response to hot air and UV-C treatments, with increased contents of cyanidin-3-glucoside, leucopelargonidin and pelargonidin-3-G occurring in treated fruit. Peak values of UFGT activity are observed at 14 d of storage in hot air- and UV-C-treated fruit
the expressions of CHS and UFGT in red fruits are significantly higher than those of yellow fruits at late stages of ripening. Anthocyanin genes PAL, C4H, CHS, CHI, F3H, F30H, DFR, ANS and UFGT are significantly upregulated in red fruit of cultivar JNH at ripening stage 3 and stage 4
Fukuchi-Mizutani, M.; Okuhara, H.; Fukui, Y.; Nakao, M.; Katsumoto, Y.; Yonekura-Sakakibara, K.; Kusumi, T.; Hase, T.; Tanaka, Y.
Biochemical and molecular characterization of a novel UDP-glucose:anthocyanin 3'-O-glucosyltransferase, a key enzyme for blue anthocyanin biosynthesis, from gentian
Metabolic analysis of phenolic profiles reveals the enhancements of anthocyanins and procyanidins in postharvest peach as affected by hot air and ultraviolet C
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