Abstract
The physiological effects of lanthanum (III) ions on the ferritin-regulated antioxidant process were studied in wheat (Triticum aestivum L.) seedlings under polyethylene glycol (PEG) stress. Treatment with 0.1 mM La3+ resulted in increased levels of chlorophyll, carotenoid, proline, ascorbate, and reduced glutathione. The activities of superoxide dismutase, catalase, ascorbate peroxidase, monodehydroascorbate reductase, dehydroascorbate reductase, glutathione reductase, and peroxidase were also increased after La3+ treatment. Treatment with La3+ seems to enhance the capacity of the reactive oxygen species scavenging system, affect the Fe2+ and Fe3+ electron-transfer process in ferritin, and restrain the formation of hydroxyl radical (OH), alleviating the oxidative damage induced by PEG stress.
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Zhang, L., Yang, T., Gao, Y. et al. Effect of lanthanum ions (La3+) on ferritin-regulated antioxidant process under PEG stress. Biol Trace Elem Res 113, 193–208 (2006). https://doi.org/10.1385/BTER:113:2:193
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DOI: https://doi.org/10.1385/BTER:113:2:193