PR5 — Brachypodium distachyon

Summary

BdPR5 (BRADI_4G36410V3) on chromosome 4 of Brachypodium distachyon encodes a thaumatin-like protein with glucan endo-1,3-beta-D-glucosidase activity, capable of IgE and mRNA binding. The gene is associated with defence responses to fungi, bacteria, viruses, and UV-B, as well as cell death, response to cadmium, and regulation of anthocyanin anabolism. It is linked to systemic acquired resistance, disease resistance, insect resistance, and tolerance to salt and Verticillium dahliae. The protein localises to the apoplast, plant-type cell wall, vacuole, plasmodesma, secretory vesicle, membrane, mitochondria, and extracellular space. Studies of related genes in other species connect the family to pathogen resistance, herbivore defence, seed germination under salt stress, grain yield, nitrogen deficiency tolerance, and root responses to rhizobacteria.