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Excessive generation of reactive oxygen species (ROS) due to environmental stresses critically effects plant development and productivity. Plants efficiently detoxify ROS by both non-enzymatic and enzymatic mechanisms. Plant glutathione peroxidases (GPXs) are non-haeme thiol peroxidases that catalyze the reduction of H2O2 (or organic hydroperoxides) to(More)
While phosphate (Pi) serves as an essential and indispensible plant nutrient, phosphite (Phi) acts as a potent herbicide. Despite their differential influence on plants, both the ions can attenuate phosphate starvation responses (PSRs). We analyzed and compared Pi and Phi uptake and accumulation, attenuation of PSRs and the morphological and physiological(More)
The generation of excess reactive oxygen species (ROS) is one of the most common consequences of abiotic stress on plants. Glutathione reductase (GR, E.C. 1.6.4.2) and allied enzymes of the ascorbate–glutathione cycle play a crucial role to maintain the homeostatic redox balance in the cellular environment. GR plays an essential role in upholding the(More)
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