AP2 — Arabidopsis thaliana

Summary

AT4G36920 (AP2) encodes a protein containing an AP2/ERF DNA-binding domain and is annotated as a DNA-binding transcription factor with transcription corepressor activity, protein homodimerization and identical protein binding activities, and zinc binding. In Arabidopsis, AP2 is associated with flower development, ovule number, sporangia development, carpel formation, endosperm cellularization, stem cell proliferation, bract and nectary development, root regeneration, floral organ morphogenesis, sucrose transport, pectin and proanthocyanidin anabolism, and dehiscence. It localizes to the nucleus and cytoplasm and is linked to strigolactone, jasmonic acid, and brassinosteroid signaling pathways, as well as shoot gravitropism and regulation of seed size. AP2 is associated with numerous seed and floral traits including floury endosperm, seed quality, shape, volume, protein content, carpel and sepal morphology, floral organ number, inflorescence size, phyllotaxy, sucrose and glucose content, submergence tolerance, and salt response.