BRI1 — Brachypodium distachyon

Summary

BdRLCK156 (BRI1, BRADI_5G17550V3) on chromosome 5 of Brachypodium distachyon encodes a protein with Ser/Thr_kinase-like, Prot_kinase_dom, and Kinase-like_dom_sf domains, and has transmembrane receptor protein serine/threonine kinase activity, protein kinase activity, ATP binding, and steroid, SNARE, and sugar binding. It is associated with detection of brassinosteroid stimulus, hormone-mediated signalling, regulation of leaf senescence, stomatal complex development and morphogenesis, skotomorphogenesis, embryo sac and ovule development, seedling development, chloroplast organization, microtubule bundling, detection of and response to fungal molecules, regulation of reactive oxygen species metabolism, and activation of the salinity response. The gene is linked to leaf angle, plant height, and drought tolerance. Studies of related genes in other species connect the family to grain size, grain weight, grain yield, root length, chlorophyll content, drought sensitivity, and oxidative stress response.