PEROXIDASE — Cucumis sativus

Summary

CSA_4G285730, symbol PEROXIDASE, encodes a secretory haem peroxidase enzyme (EC 1.11.1.7) with lactoperoxidase and peroxidase activity, heme binding, and metal binding. In cucumber (Cucumis sativus, chromosome 4), this gene is associated with diverse biological processes including stachyose metabolism, nitrate metabolism, proline breakdown, and cell dedifferentiation, as well as host invasion and appressorium formation. The encoded protein localises to the vacuole, plant-type cell wall, and extracellular space. The gene is linked to numerous agronomic traits including coleoptile length, leaf dry weight, percent germination, seedling height, root volume, relative chlorophyll content, drought sensitivity, disease resistance, and hydrogen peroxide content. Studies of related genes in other species connect the family to chilling stress response, copper sensitivity, and lignin content.