KC1 — Oryza sativa Japonica

Summary

Rice gene KC1 (also known as KAT1, OsCNGC10, GORK, OsAKT1, and other synonyms) on chromosome 1 encodes a voltage-sensitive potassium channel belonging to the KAT/AKT family, with ion transporter and outward rectifier potassium channel activity. It is associated with potassium homeostasis and transport, stomatal opening and closure, and responses to salt, drought, and osmotic stress. The gene has been linked to grain shape, yield, seedling growth, and root and leaf development. It is also connected to reactive oxygen species production, iron homeostasis, and stress tolerance. Additional associations include leaf necrosis tolerance, alkali soil sensitivity, spikelet sterility, panicle length, and sucrose content. Studies of related genes in other species link the family to guard cell ion flux, seed germination, gravitropism, and cadmium and lead tolerance.