EDT1 — Brassica oleracea var. botrytis

Summary

BoEDT1 (BOLND125_C08P061150.1_BOLND125_V1) on cauliflower chromosome 8 encodes a homeodomain-leucine zipper (HD-Zip IV) transcription factor with a START domain and lipid-binding activity. It localises to the nucleus and is associated with DNA-binding transcription factor activity, RNA polymerase II-specific transcription, and protein binding. The gene is linked to plant-type cell wall loosening, cell differentiation, and DNA-dependent transcription. BoEDT1 is associated with root length, trichome branching, drought resistance, embryo development, lateral root formation, and radial axis formation. Related genes in other species are linked to enhanced drought tolerance, improved water use efficiency, increased root development, altered stomatal density, and higher grain yield, as well as salt tolerance, osmotic stress tolerance, and secondary metabolite accumulation. The family is also associated with trichome morphology, specific leaf area, biomass yield, and chlorophyll content.