CUM1 — Cucumis sativus

Summary

CUM1 (CSA_1G464540) in cucumber (Cucumis sativus) encodes a translation initiation factor 4E (eIF4E) family protein with RNA m7G cap binding, translation initiation factor activity, and linoleate 13S-lipoxygenase activity. This gene is associated with sex determination, carpel and stamen development, meristem initiation and maintenance, fruit development, photoperiodic flowering, and response to virus and herbivore attack. It is linked to jasmonic acid biosynthesis and signaling, green leaf volatile production, lipid oxidation, and regulation of defense responses. CUM1 localizes to the cytoplasm, P bodies, stress granules, plastids, and chloroplast membranes. The gene is associated with potato virus Y resistance, pepper veinal mottle virus resistance, plant yield, nitrogen use efficiency, root hair growth, freezing tolerance, and insect resistance. Studies of related genes in other species link the family to potyvirus resistance, salt tolerance, and green leaf volatile biosynthesis.