ACO — Solanum lycopersicum

Summary

SlACO2 (SOLYC02G036350.3) on tomato chromosome 2 encodes a protein with ACC oxidase activity, 2-oxoglutarate dioxygenase activity, and binding of vitamin C and metals. The enzyme is associated with ethylene biosynthesis from methionine and with hormone signaling and metabolism. SlACO2 is associated with fruit ripening, fruit color, lycopene content, fruit weight, seed formation, pollen viability and fertility, root weight and length, and cold tolerance. It has been linked to abiotic stress tolerance, low temperature stress response, and ethylene sensitivity. The gene is associated with the upregulation of carotenoid anabolism, auxin and salicylic acid breakdown, citrate metabolism, flavonoid metabolism, pectin and coumarin anabolism, leaf and fruit abscission, meiosis, fermentation, and S-nitrosylation. Studies of related genes in other species support the enzyme classification as 1.14.17.4.