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Schematic overview of both genotype-specific responses under control conditions (upper part) and cadmium (Cd)-specific responses (lower part). Wild-type responses under Cd stress are indicated in orange. Red and green arrows represent additional responses with respect to the wild-type responses in mutants deficient in glutathione (GSH) and ascorbate (AsA), respectively. Abbreviations: GSSG, glutathione disulphide; O2·–, superoxide; H2O2, hydrogen peroxide.
