CCS — Daucus carota subsp. sativus

Summary

DcCCS (DCAR_022896) on carrot chromosome 6 encodes a protein with capsanthin synthase, capsorubin synthase, lycopene beta-cyclase, neoxanthin synthase, intramolecular isomerase, cyclase, oxidoreductase and redox activities, belonging to the lycopene cyclase beta/epsilon and FAD/NAD-binding superfamilies. The gene is associated with beta-zeacarotene, beta-carotene, xanthophyll, ubiquinone and abscisic acid anabolism, as well as NO storage. Its product localises to plastids, chloroplast and chromoplast membranes, and mitochondria. DcCCS has been connected to root colour, carotene and carotenoid content, respiration rate and salt tolerance. Studies of related genes in other species link the family to fruit colour, weight, shape and size, lycopene, neoxanthin, anthocyanin, chlorophyll and sucrose content, fruit type, pungency, organ identity and globular embryo development.