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The Effect of Nickel Exposure on Oxidative Stress of Vicia faba Plants

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Abstract

Heavy metal contamination is a serious threat for terrestrial ecosystems. Thus, they could be accumulated in living organisms leading consequently to harmful consequences. In this context, the present work aims to evaluate the effects of four increasing Nickel (Ni) nominal concentrations (T: 0 mg/kg, C1: 150 mg/kg, C2: 250 mg/kg, C3: 500 mg/kg) on agronomic and biochemical parameters in bean (Vicia faba) plants. The measured exposure concentrations were in the range of 96.69%–104.18% of the nominal concentrations. Bean’s responses were evaluated at biometric levels, chlorophyll content and biochemical parameters namely catalase glutation-S-transferase activities and malondialdehyde content, in booth parts of plants. Our data revealed a marked negative effect of Ni exposure on bean plant development and chlorophyll content. Biochemical biomarkers reported that plants anti-oxidative defense system has been significantly affected specially in roots at the high Ni concentration. Briefly, resistance mechanisms of Vicia faba to Ni seem to imply an activation of the antioxidant system and a limitation of the reactive oxygen species.

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Correspondence to Iteb Boughattas.

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Helaoui, S., Hattab, S., Mkhinini, M. et al. The Effect of Nickel Exposure on Oxidative Stress of Vicia faba Plants. Bull Environ Contam Toxicol 108, 1074–1080 (2022). https://doi.org/10.1007/s00128-022-03535-1

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  • DOI: https://doi.org/10.1007/s00128-022-03535-1

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