MYB3 — Cucumis sativus

Summary

CsMYB3 (CSA_5G651640) on cucumber chromosome 5 encodes a plant-specific MYB transcription factor with DNA-binding, protein dimerization, and small GTPase-binding activities, and is associated with phosphatase activity. The gene is linked to the regulation of flavonoid, anthocyanin, proanthocyanidin, lignin, and phenylpropanoid metabolism, as well as trichome differentiation and spacing, seed coat development, and response to iron starvation. Associations include fruit quality, flavonoid and anthocyanin content, leaf trichome density, flowering time, and responses to UV-B, low temperature, oxidative stress, salinity, and osmotic stress. The gene is also connected to root and shoot meristem development, plant fertility, and disease tolerance. Studies of related genes in other species link the family to lignin biosynthesis, UV-B tolerance, herbivore defense, and anthocyanin pigmentation.