EP3 — Brachypodium distachyon

Summary

BdEP3 (BRADI_2G47210V3) on chromosome 2 of Brachypodium distachyon encodes a protein with glycosyl hydrolase 19 and chitin-binding domains, possessing chitinase, beta-N-acetylglucosaminidase, chitin-binding and protein-binding activities (EC 3.2.1.14). The gene is associated with chitin and polysaccharide breakdown, cell wall macromolecule catabolism, amino sugar metabolism, and responses to fungi, bacteria, oomycetes, insects, viruses, amitrole, silver ions, and hypoxia. It is linked to somatic embryogenesis, leaf senescence, systemic acquired resistance, jasmonic acid/ethylene-dependent systemic resistance, hypersensitive response cell death, and killing of other organisms. The product localizes to the apoplast, cell wall, vacuole, secretory vesicles, plasma membrane, mitochondria, and extracellular space. Associations include ethylene sensitivity, pathogen resistance, salt tolerance, seed germination under salt stress, nematode resistance, and wilt symptom development. Studies of related genes in other species link the family to disease resistance, growth, and grain traits.