PR5 — Brassica juncea

Summary

BjPR5 (BJUA07G34490S) on Indian mustard chromosome A07 encodes a thaumatin-like protein containing a thaumatin domain and osmotin/thaumatin-like superfamily domain, with annotated glucan endo-1,3-beta-D-glucosidase activity, IgE binding, and mRNA binding. The gene is associated with diverse biological processes including immune response, response to virus, response to salicylate and ethylene, cell death, seed germination, carbohydrate metabolism, endocytosis, and responses to cadmium, UV-B, and salinity. It is linked to defense response, systemic acquired resistance, insect resistance, drought tolerance, salt tolerance, and resistance to Verticillium dahliae and Pseudomonas syringae. The protein localizes to the apoplast, plant-type cell wall, secretory vesicle, plant-type vacuole, extracellular region, and mitochondria. Studies of related genes in other species link the family to disease resistance, induced systemic resistance, nematode resistance, herbivore defense, seed germination under salt stress, and cell wall integrity.