PR5 — Cucumis sativus

Summary

CsPR5 (CSA_5G647340) on cucumber chromosome 5 encodes a thaumatin-like protein belonging to the osmotin/thaumatin-like superfamily, with glucan endo-1,3-beta-D-glucosidase activity, and is associated with mRNA and protein binding. The gene is associated with defence responses against bacteria, fungi, and viruses, as well as systemic acquired resistance and responses to salicylic acid, ethylene, abscisic acid, UV-B, cadmium, and salinity. It localises to the apoplast, cell wall, vacuole, plasmodesmata, and secretory vesicles. Associations include disease resistance, osmotic stress response, proline accumulation, and tolerance to drought, salt, and Verticillium dahliae. Studies of related genes in other species link the family to viral susceptibility and seed germination under salt stress, as well as late blight resistance.