AKR — Medicago truncatula

Summary

MTR_5G097900 (symbol AKR) on barrel medic chromosome 5 encodes an aldo-keto reductase family 4A/B protein with NADP-dependent oxidoreductase domains and annotated D-galacturonate reductase, 6'-deoxychalcone synthase, codeinone reductase (NADPH), 3''-deamino-3''-oxonicotianamine reductase, and aldose reductase (NADPH) activities. This gene is associated with secondary metabolite biosynthesis, including alkaloid and flavonoid anabolism, ascorbate biosynthesis, and siderophore anabolism. It is linked to cellular responses to zinc and iron ion starvation, salt response, leaf senescence, and hypersensitivity. The encoded protein localizes to the cytosol. Studies of related genes in other species link the AKR family to seed protein content, sulfur content, linoleic acid content, seed maturation, stomatal opening, and photochemical quenching.