HRD — Hordeum vulgare subsp. vulgare

Summary

HORVU.MOREX.R3.6HG0603620 (HvHRD) encodes a DRE1A-I protein containing an AP2/ERF DNA-binding domain, acting as a transcription factor with DNA-binding and transcription cis-regulatory region binding activity. It localises to the nucleus and is associated with the regulation of DNA-templated transcription, stress responses, defence against fungi, protein breakdown, and glucosinolate metabolism. The gene has been linked to seed germination and coleoptile growth under submergence, gravitropism, and responses to abiotic stimuli. Studies of related AP2/ERF family members in other species connect this gene family to grain number, grain size, grain yield, seed size, protein content, sodium uptake, and quality traits, as well as drought tolerance, salt tolerance, water use efficiency, biomass, photosynthesis, and stress tolerance.