An Overview of Seasonal Changes in Oxidative Stress and Antioxidant Defence Parameters in Some Invertebrate and Vertebrate Species

Figure 1

Schematic representation of cellular production of ROS, their impact on biomolecules, and their metabolism by antioxidant enzymes. SOD, superoxide dismutase; CAT, catalase; GPX, glutathione peroxidase; GR, glutathione reductase; , superoxide radicals; GSH, reduced glutathione; GSSG, oxidized glutathione.