BRI1 — Oryza sativa Indica Group

Summary

BGIOSGA026469 (BRI1) on chromosome 8 of Indica rice encodes a protein kinase domain-containing protein with dual-specificity protein kinase activity, transmembrane receptor protein serine/threonine kinase activity, and coreceptor activity, and it binds steroids, ATP, and SNAREs. This gene is associated with brassinosteroid-mediated signalling, detection of brassinosteroid stimulus, hormone-mediated signalling, and regulation of developmental growth. It is linked to responses to salt, oxidative stress, and light stimulus, as well as skotomorphogenesis, seedling development, post-embryonic development, and nodulation. Associations with grain traits include grain width, length, size, weight, and yield. The gene product localises to the plasma membrane, endosome, and macromolecular complex. Studies of related genes in other species link the family to brassinosteroid signalling and stress responses.