ATM4 — Daucus carota subsp. sativus

Summary

DCAR_012971 (DcATM4) on carrot chromosome 4 encodes a protein containing a Myb DNA-binding domain and SANT/Myb domain. The protein exhibits sequence-specific DNA binding, transcription factor activity, and binds chromatin, calcium ions, and other proteins. DcATM4 is associated with regulation of flavonoid and proanthocyanidin biosynthesis, glucosinolate biosynthetic processes, raffinose metabolism, cellular detoxification of cadmium ions, response to sulfur starvation, trichome morphogenesis and spacing, epidermal cell fate specification, defense response to insects, and drought recovery. It localizes to the nucleus, cytosol, root hair, and preprophase band. The gene is linked to root color, root epidermal cell length, leaf trichome density, seed protein content, adventitious root number, phosphorus response, shoot elongation under submergence, and branch angle. Related genes in other species are linked to cuticle development, suberin biosynthesis, glucosinolate accumulation, trichome differentiation, and drought response.