ACO — Phaseolus vulgaris

Summary

PHAVU_006G144900, designated PvACO, encodes a protein with ACC oxidase activity and 2-oxoglutarate dioxygenase activity, binding vitamin C and metal ions, and belongs to the DIOX_N and IPNS-like Fe2OG oxygenase families. In French bean (Phaseolus vulgaris) on chromosome 6, PvACO is associated with ethylene biosynthesis and production, fruit ripening, leaf development, chlorophyll metabolism, coumarin anabolism, nitric oxide storage, and responses to fungi and fungal molecules. It is linked to cellular response to fatty acid and localizes to the cytosol, cytoplasm, extracellular region, and stress granules. The gene has been connected to seed weight and size, drought tolerance, respiration rate, ethylene sensitivity, cellulose and lignin content, disease resistance, and nitrogen deficiency response. Studies of related ACO family members in other species link the family to ACC oxidase activity (EC 1.14.17.4) and traits including leaf necrosis, germination rate, root length, and stomatal opening.