MYB4 (TRAESCS2B02G466500) — triticum aestivum

Summary

TRAESCS2B02G466500, also known as MYB4, Tamyb10-D1, or Myb10-D on bread wheat chromosome 2B, encodes a Myb-domain transcription factor with sequence-specific DNA binding activity. This gene is associated with grain color, seed coat color, grain weight, grain number per spike, and pre-harvest sprouting. It has been connected to abscisic acid and flavonoid accumulation, lignin content and accumulation, heading date, plant height, and grain yield. Associations also include drought and cold tolerance, stripe rust resistance, seed dormancy, germination rate, seed size, chlorophyll content, and root development traits. The encoded protein localizes to the nucleus and is linked to regulation of lignin and hydrogen peroxide metabolism, salicylic and jasmonic acid anabolism, defense responses, and stress-activated MAPK cascades. Studies of related genes in other species link the family to drought resistance.