MYB2 — Arabidopsis thaliana

Summary

AT2G47190 (MYB2) in Arabidopsis thaliana encodes a MYB domain transcription factor that binds DNA and RNA polymerase II cis-regulatory regions, and exhibits calmodulin, kinase, and ubiquitin-protein transferase binding activities. MYB2 is associated with diverse biological processes including anther dehiscence, secondary cell wall biogenesis, flavonoid and indole glucosinolate biosynthesis, cytokinin metabolism, and response to desiccation. It has been linked to axillary meristem formation, pollen development, hypoxia and salt stress responses, phosphate homeostasis, and whole-plant senescence. The gene is also connected to traits such as shoot elongation under submergence, branch angle, seed protein content, submergence tolerance, aphid and insect damage responses, jasmonic acid sensitivity, and stomatal resistance. MYB2 localizes to both the cytoplasm and nucleus. Studies of related genes in other species link the family to pollen fertility, trichome morphology, and nematode resistance.