水杨酸复合物偶联的金属铜和磁铁矿纳米粒子在热胁迫下刺激小麦防御机制并影响细胞成分

Q3 Materials Science Current Nanomaterials Pub Date : 2023-06-06 DOI:10.2174/2405461508666230606123103
Asmaa A. Mahdi, T. Salaheldin, M. Hendawey, Nahla S Hassan
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引用次数: 0

摘要

本研究旨在研究水杨酸和铜金属纳米颗粒的磁铁矿涂层对热胁迫下小麦产量、细胞含量和一些生化成分的影响。在埃及El Wadi El Gadeed省的监督下,在沙漠研究中心(DRC)的农业实验站进行了为期两个季节的应用实验。用金属铜NPs(0.25、0.50、0.75、1.0和10ppm)和水杨酸100ppm(Fe NPs+SA)处理小麦品种Sids1(耐)和Gimmeza7(敏感)的籽粒条件化学配制的纳米颗粒得到了很好的表征,并应用于两个遭受热胁迫的小麦品种。结果表明,所有NPs处理对所有生理参数和籽粒产量都有积极影响。Sids1在小麦籽粒质量(必需氨基酸和非必需氨基酸)方面超过了Gemmeiza7。然而,Gimmeza7在产量上超过了Sids1,特别是在施用0.50ppm的SA+Fe NP的情况下。这些效应与小麦品种的耐热性和最佳存活率有关。谷胱甘肽含量、抗氧化酶(谷胱甘肽-S-转移酶)增加,和/或丙二醛含量下降。结论:Fe-NPs+SA(0.5ppm)通过激活生长、谷胱甘肽和谷胱甘肽S转移酶,提高两个小麦品种(Misr1和Gimmeza11)的产量,降低MDA含量,有助于Gimmeza7减轻热胁迫的影响。
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The copper metal and magnetite nanoparticles conjugated with salicylic acid composite stimulated wheat defense mechanism and affected cellular components under heat stress
This study aimed to examine the effect of magnetite coating of salicylic acid and Cu metal nanoparticles on yield, cellular contents, and some biochemical constituents of wheat subjected to heat stress. An applied experiment was conducted over two seasons at the Agricultural Experimental Station of Desert Research Center (DRC), which was supervised by the El Wadi El Gadeed Governorate in Egypt. The grains of wheat cultivars Sids1 (tolerant) and Gimmeza7 (sensitive) were treated with copper metal as NPs (Cu NPs) (0.25, 0.50, 0.75, 1.0, and 10ppm) and magnetite NPs (0.25, 0.50, 0.75, 1.0 and 10ppm) coated with salicylic acid at 100ppm (Fe NPs+SA). The objective of this study was to examine wheat tolerance to heat stress and subsequently yield by comparing two wheat cultivars under the same conditions. The chemically formulated nanoparticles were well characterized and applied in two wheat cultivars subjected to heat stress. The results showed that all NPs treatments had a positive impact on all physiological parameters and grain yield. Sids1 surpassed Gemmeiza7 in the quality of wheat grains (essential, non-essential amino acids). However, Gimmeza7 exceeded Sids1 in yield quantity, especially with the application of SA+Fe NPs at 0.50 ppm. These effects were associated with heat tolerance and the best survival in wheat cultivars. There was an increase in glutathione content, antioxidant enzymes (Glutathione -S- Transferase), and/or a decline in malondialdehyde content. Conclusion: Fe NPs+SA (0.5ppm) helped the Gimmeza7 cultivar to mitigate the effects of heat stress through activating growth, glutathione, and glutathione S transferase, enhancing yield quantity in two wheat cultivars (Misr1 and Gimmeza11), and decreasing their MDA content.
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来源期刊
Current Nanomaterials
Current Nanomaterials Materials Science-Materials Science (miscellaneous)
CiteScore
1.60
自引率
0.00%
发文量
53
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