DFR — Brassica oleracea var. botrytis

Summary

BoDFR (DFR, TT3) on cauliflower chromosome 9 encodes a protein with NAD(P)-dependent dehydratase and epimerase domains and exhibits multiple enzyme activities, including chalcone isomerase, naringenin-chalcone synthase, flavanone 4-reductase, dihydroflavanol 4-reductase, and flavonol synthase activity. The gene is associated with anthocyanin, flavonoid, and phenylpropanoid biosynthesis and regulation, as well as pigmentation, responses to UV, UV-B, light, gravity, oxidative stress, wounding, jasmonic acid, and auxin. It is linked to auxin polar transport and localizes to the cytosol, nucleus, endoplasmic reticulum, and tonoplast. Traits associated with BoDFR include flavonoid and anthocyanin content, photosynthetic ability, stamen morphology, flower development, root phototropism, adventitious rooting, herbicide sensitivity, insect damage response, pollen fertility restoration, stomatal closure, and tolerance to low temperature, oxidative stress, and UV light.