Effect of L-Arginine on Alleviating Salt Stress through Antioxidant Enzymes Activity in Zea mays





NaCl, L-arginine, SOD, POD, APX, QPCR


Arginine plays a multifaceted role in stress metabolism in plants, acting as both a precursor for various metabolites and a signaling molecule that can modulate plant responses to environmental stresses. Salinity stress remains a significant challenge for crop productivity, particularly in maize (Zea mays) cultivation. This study investigates the potential role of L-arginine (L-arg) in mitigating salt-induced oxidative damage by modulating lipid peroxidation, antioxidant enzymes activity and expression levels of antioxidant enzymes in maize. Our findings showed that, H2O2 and MDA levels increased in 200 mM NaCl was imposed while 1.5 and 3 mM L-arg treatments reduced these levels. Also, the activity of superoxide dismutase (SOD), peroxidase (POD) and ascorbate peroxidase (APX) and the expression levels of ZmSOD, ZmPOD and ZmAPX gradually increased in salt stress while L-arg quite increased these parameters. The highest increases were determined in SOD enzyme activity and ZmSOD gene expression. This research deepens our understanding of the molecular and biochemical responses to salinity stress, offering crucial knowledge that could lead to the application of L-arg to enhance plant resilience against environmental challenges.


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How to Cite

Arslan Yüksel, E. (2024). Effect of L-Arginine on Alleviating Salt Stress through Antioxidant Enzymes Activity in Zea mays. Turkish Journal of Agriculture - Food Science and Technology, 12(3), 447–452. https://doi.org/10.24925/turjaf.v12i3.447-452.6624



Research Paper