DREB2A — Zea mays

Summary

ZmDREB2A (ZM00001EB336270) on maize chromosome 8 encodes a protein with an AP2/ERF DNA-binding domain, annotated for DNA binding and transcription cis-regulatory region binding activity. It is associated with responses to abiotic stresses including heat, cold, salt, and drought, as well as with cold acclimation, detoxification, chlorophyll fluorescence, nitrogen fixation, and cell death. The gene is linked to chilling and high temperature stress response, leaf water potential, cell membrane stability, sucrose and proline content, leaf chlorophyll content, biomass yield, germination rate, root length, plant height, and drought tolerance. It localises to the nucleus and is associated with ethylene-mediated signalling, embryogenesis, protein modification, and homeostasis. Related genes in other species link the family to osmotic stress, salt, drought, and cold tolerance, as well as grain yield and seed germination.