PR3 — Camelina sativa

Summary

CsPR3 (CSA01G013580) on Camelina sativa chromosome 1 encodes a protein with a Glyco_hydro_19 catalytic domain and a chitin-binding domain, classified as EC 3.2.1.14. The gene is associated with chitinase activity, chitin binding, and cell wall macromolecule catabolic processes, as well as chitin and polysaccharide breakdown. It is linked to defence responses, including defence against fungi, and to jasmonic acid/ethylene-dependent systemic resistance and ethylene-mediated signalling. Localisation evidence connects the product to the vacuole, secretory vesicles, and extracellular space. CsPR3 is also associated with ethylene sensitivity, nematode resistance, salt tolerance, seed germination under salt stress, and pathogen resistance. Studies of related genes in other species link the family to disease resistance against Botrytis cinerea.