MYB — triticum aestivum

Summary

TRAESCS1A02G107700, designated TaMYB on bread wheat chromosome 1A, encodes a MYB-domain transcription factor with DNA-binding, RNA-polymerase-binding and transcriptional co-regulator activities, and is localised to the nucleus. The gene is associated with diverse biological processes including photoperiodism, upregulation of circadian rhythm, brassinosteroid and fructan anabolism, antifungal innate immune response, stress-activated MAPK cascade, photoprotection, and pre-harvest sprouting. TaMYB has been linked to grain iron, zinc and protein content, test weight, harvest index, grain yield, stand establishment, plant vigor, drought sensitivity, stem rust, net photosynthetic rate, quantum yield, starch and sugar content, and coleoptile, pericarp, leaf and seed coat color. Studies of related genes in other species connect the family to circadian rhythms, hypocotyl growth, thermotolerance, cold stress response, flowering time and biomass.