PR5 — Brassica oleracea var. botrytis

Summary

BoPR5, located on chromosome 8 of cauliflower (Brassica oleracea var. botrytis), encodes a thaumatin-like protein belonging to the osmotin/thaumatin-like superfamily and is annotated with glucan endo-1,3-beta-D-glucosidase activity. The gene is associated with responses to biotic and abiotic stresses, including defence against fungi, viruses, and the pathogens Verticillium dahliae and Pseudomonas syringae, as well as responses to salicylate, ethylene, abscisic acid, UV-B, cadmium, and salinity. It is linked to systemic acquired resistance, insect resistance, drought tolerance, and salt tolerance. The protein localises to the apoplast, plant-type cell wall, secretory vesicle, plant-type vacuole, mitochondria, and extracellular region. Studies of related genes in other species connect the family to disease resistance, induced systemic resistance, nematode resistance, and cell wall integrity.