ART1 — Sorghum bicolor

Summary

SbART1 (SORBI_3003G370700) on sorghum chromosome 3 encodes a C2H2-type zinc finger protein with DNA-binding and transcription regulator activity, localised to the nucleus. The gene is associated with citrate secretion, responses to aluminium, acidic pH, hypoxia, hydrogen peroxide, salinity, and both short- and long-day flowering, as well as regulation of the vegetative-to-reproductive phase transition. Associations with aluminium resistance, acid soil tolerance, root growth, drought tolerance, salt tolerance, phosphate starvation response, low-oxygen tolerance, and potassium ion homeostasis have been observed. Studies of related genes in other species link the family to aluminium tolerance, phosphorus efficiency, proton stress resistance, and root development under phosphate starvation.