RLK — Oryza sativa Japonica

Summary

OsRLK (OS07G0130100) on rice chromosome 7 encodes a transmembrane receptor serine/threonine kinase with lectin domains, exhibiting histidine kinase activity, coreceptor activity, sugar binding, and protein homodimerization activity. The gene is associated with strigolactone and gibberellin biosynthesis, fatty acid and glutathione metabolism, the TCA cycle, auxin and carbohydrate transport, root system development, cell fate specification, pollen aperture formation, meiosis, sexual reproduction, and regulation of developmental growth. It has been linked to grain yield, plant height, stem elongation, glume opening, drought tolerance and sensitivity, salt tolerance and sensitivity, stomatal resistance, and salt stress responses. The protein localizes to the plasmalemma, ER, mitochondria, nucleus, cytosol, plant-type vacuole, pollen aperture, and extracellular space. Related genes in other species connect the family to ethylene homeostasis, methyl jasmonate-mediated stomatal closure, and root epidermal cell development.