PR1 — Oryza sativa Japonica

Summary

OsPR1 (OS07G0129300) on rice chromosome 7 encodes a CAP-domain-containing protein of the V5-allergen-like family, with cytokine activity and protein binding functions. The gene is associated with immune response activation, defense responses, systemic acquired resistance, and responses to pathogens, herbivores, and toxic substances. It has been linked to jasmonic acid and salicylic acid signaling, as well as ethylene and gibberellin pathways. Associations with agronomic traits include grain yield, grain size, plant height, chlorophyll content, anthocyanin content, and salt tolerance. The encoded protein localizes to secretory vesicles, the plant cell wall, vacuole, and extracellular space. Related genes in other species are linked to salicylic acid-mediated defense, fungal disease resistance, and systemic immunity.