RLK — Oryza sativa Japonica

Summary

OsRLK (OS06G0210400) on rice chromosome 6 encodes a transmembrane receptor protein serine/threonine kinase with a legume lectin domain, exhibiting histidine kinase activity, sugar binding, and protein homodimerization activity. This gene is associated with strigolactone and gibberellin biosynthesis, auxin transport, carbohydrate transport, root system development, cell fate specification, pollen aperture formation, sexual reproduction, and regulation of developmental growth. It has been linked to traits including grain yield, plant height, stem elongation, glume opening, drought tolerance and sensitivity, salt tolerance and sensitivity, and stomatal resistance. The protein localizes to the plasmalemma, pollen aperture, endoplasmic reticulum, plant-type vacuole, mitochondria, cytosol, nucleus, and extracellular region. Studies of related genes in other species link the family to reactive oxygen species production, ethylene production, and resistance to Pseudomonas syringae.