DCE — Cucumis melo

Summary

MELO3C025078.2 (CmDCE) on melon chromosome 10 encodes a pyridoxal phosphate-dependent decarboxylase with glutamate decarboxylase and sphinganine-1-phosphate aldolase activities, and binds calmodulin and calcium ions. The gene is associated with the GABA shunt, glutamate and sphingolipid breakdown, and cellular responses to nitrogen starvation, mechanical stimulus, and calcium ion detection. It has been linked to shoot growth angle, photosynthetic rate, stomatal closure time, root development, leaf senescence, seed growth, flowering time, ethylene and abscisic acid sensitivity, jasmonic acid content, and salt tolerance. Associations also include drought tolerance, heat stress tolerance, bacterial pathogen resistance, water-use efficiency, hypoxia-induced alanine accumulation, and GABA content. The product localises to the cytosol, ER membrane, plastid, plasmodesma, mitochondria, and nucleus. Studies of related genes in other species link the family to fruit ripening, bacterial wilt resistance, herbivory resistance, and thigmomorphogenesis.