MYB1 — Phaseolus vulgaris

Summary

PHAVU_010G075500, designated PvMYB1 (also known as PvSRM1, PvMYB5), encodes a MYB transcription factor on chromosome 10 of French bean (Phaseolus vulgaris). The product contains a Myb domain and SANT/Myb motif, binds sequence-specific DNA and chromatin, and regulates RNA polymerase II-dependent transcription. PvMYB1 is associated with the regulation of phenylpropanoid metabolism, lignin anabolism, and green leaf volatile biosynthesis. It has been connected to anther and tapetum development, pollen development, cell differentiation, circadian rhythm, and responses to auxin, cold, and drought. The gene is linked to drought tolerance and salt stress tolerance. Studies of related genes in other species connect the family to tapetum development and seed germination under salt stress, while sequence similarity links the family to seed coat color and anthocyanin content.