GPPS — Camelina sativa

Summary

CsGPPS (CSA05G020640) on Camelina sativa chromosome 5 encodes a polyprenyl synthetase with geranyl-diphosphate-specific synthase activity, also annotated as farnesyltranstransferase and dimethylallyltransferase. The product localises to the plastid, chloroplast stroma, and mitochondria, and is associated with terpenoid, isoprenoid, carotenoid, plastoquinone, and ubiquinone biosynthesis. It is linked to responses to herbivores, insects, jasmonic acid, and salicylate, as well as embryo development ending in seed dormancy. The gene is associated with gravitropism and ubiquinone biosynthesis. Studies of related genes in other species associate the family with starch and sugar content, though these relationships are not established for CsGPPS itself.