PR5 — Capsicum annuum

Summary

CaPR5 (T459_30621) on pepper chromosome 12 encodes a pathogenesis-related protein R major form belonging to the thaumatin-like superfamily, with beta-glucanase, glycosidase and hydrolase activities, and mRNA and protein binding capabilities. This gene is associated with antifungal innate immune response, systemic acquired resistance, hypersensitivity, cell death, and responses to viruses, bacteria, fungi, jasmonic acid, ethylene, cadmium, and UV-B. It is linked to regulation of anthocyanin anabolism, metabolic burst, and virus-induced PTGS. The protein localises to the apoplast, cell wall, vacuole, secretory vesicles, plasmodesmata, mitochondria, and membrane. CaPR5 has been connected to agronomic traits including plant height, leaf area index, stem diameter, and chlorophyll content, as well as tolerance to drought, salt, and osmotic stress, and resistance to Verticillium dahliae and Pseudomonas syringae.