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- W4282561597 abstract "Abstract Purpose Due to its physiological importance as a micronutrient, manganese supplementation requires taking into account the possibility of overdosing, which is associated with the initiation of stressogenic effects in plant cells. The use of nanoparticles may reduce the amount of Mn ion administered, especially during foliar treatment. Hence, the aim of the research was to demonstrate the mechanism of action of MnNPs on plant cells and to determine the extent of the stress-inducing reaction of these NPs. Methods A response to manganese nanoparticles was studied in seedlings of two wheat cultivars, model system of plant cell membranes and compared with cell lines (U-937, HL-60, HUT-78, COLO-720L). The nanoparticles (MnNPs as Mn 3 O 4 ) were at the same concentrations (125 and 250 mg/mL) by foliar application to plants and to the cell culture media. Results The administration of NPs enhanced the content of Mn in plant cells, indicating its penetration through the leaf surface and initiated the oxidative stress measures as an increase in enzyme activity, starch accumulation, and a decrease in chlorophyll synthesis. Moreover, a rise in the electrokinetic potential of the chloroplast membrane surface and the reconstruction of their hydrophobic parts toward an increase in fatty acid saturation was found. Conclusion The study demonstrated that the stress response in plant cells was initiated up to 250 mg/mL of MnNPs. The same concentration resulted in reduction of cell viability, especially in U-937 line." @default.
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- W4282561597 date "2022-06-13" @default.
- W4282561597 modified "2023-10-18" @default.
- W4282561597 title "Biochemical estimation of manganese nanoparticles reactions in native and model biological systems" @default.
- W4282561597 doi "https://doi.org/10.21203/rs.3.rs-1720199/v1" @default.
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