glutathione vs selenium The Biology of the Goat minimizing free radical damage The selenium-dependent antioxidant system of

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In humans, the conversion of l-gulono--lactone into vitamin C, which is catalyzed by the enzyme gulonolactone oxidase is not functional, due to the accumulation of several mutations that has turned the gene into a non-functional pseudogene [68], meaning that humans must rely on dietary intake of vitamin C

Upon fluctuating temperatures, ROS also accumulate at the plasma membrane/apoplast interface by NADPH oxidases, superoxide dismutases and peroxidases, and can be translocated to the cytosolic compartment by aquaporins, were they likely take part to stress signaling pathways (Mittler et al., 2012) (Rodrigues et al., 2017)

Understanding the concentration matters

References Adler J, Parmryd I (2010) Quantifying colocalization by correlation: the pearson correlation coefficient is superior to the Manders overlap coefficient