SOD — Capsicum annuum

Summary

CaSOD (T459_23214) on pepper chromosome 9 encodes a copper/zinc superoxide dismutase, confirmed by superoxide dismutase activity and copper binding. It is associated with cellular responses to oxidative stress, ozone, UV-B, light intensity, and sucrose stimulus, as well as the ascorbate-glutathione cycle and heat dissipation. The gene is linked to bacterial blight disease resistance, disease tolerance, and traits including net photosynthetic rate, chlorophyll content, plant height, root volume and length, stem diameter, and stomatal closure. It has been connected to oxidative stress tolerance, thermotolerance, salt stress response, copper homeostasis, and high light stress tolerance. Localisation evidence places the product in the cytosol, nucleus, plasmodesma, and extracellular region. Related genes in other species link the family to superoxide detoxification, defense response, and fungal disease resistance.