PR5 — Brachypodium distachyon

Summary

BdPR5 (BRADI_5G00550V3) on chromosome 5 of Brachypodium distachyon encodes a thaumatin-like protein, a member of the osmotin/thaumatin-like superfamily, with glucan endo-1,3-beta-D-glucosidase activity, IgE binding, and mRNA binding. The gene is associated with defense responses, including systemic acquired resistance, disease resistance to Pseudomonas syringae and Verticillium dahliae, fungal resistance, insect resistance, and response to viruses and bacteria. It is linked to cell death, regulation of anthocyanin anabolism, and responses to abscisic acid, ethylene, cadmium, UV-B, and salt stress. The protein localizes to the apoplast, plant-type cell wall, secretory vesicle, vacuole, plasmodesma, mitochondria, and membrane. Related genes in other species are associated with grain yield, nitrogen sensitivity, drought tolerance, seed size, plant height, and heterosis.