CYP707A1 — Medicago truncatula

Summary

MTR_5G025610 (CYP707A1) in barrel medic (Medicago truncatula) on chromosome 5 encodes a cytochrome P450 enzyme with abscisic acid 8'-hydroxylase activity, also annotated with taxane 13a-hydroxylase activity and heme/iron binding. It is associated with abscisic acid breakdown and metabolism, release of seed from dormancy, seed germination, fruit ripening, and responses to red or far red light, hypoxia, salt, jasmonic acid, auxin, and abscisic acid. The gene is linked to stomatal density, closure, conductance, and development, rehydration response, transpiration rate, lateral root emergence, seed thermoinhibition, drought stress tolerance, and ABA homeostasis. It localizes to the ER membrane and membrane. Studies of related genes in other species connect the family to drought tolerance, ABA levels, germination, stomatal responses, and seed traits.