Investigating the enzymatic and non-enzymatic antioxidant defense by applying iron oxide nanoparticles in Dracocephalum moldavica L. plant under salinity stress

Moradbeygi, Hanieh; Jamei, Rashid; Heidari, Reza; Darvishzadeh, Reza

doi:10.1016/j.scienta.2020.109537

Cited by 126 publications

(44 citation statements)

References 82 publications

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“…Among the non-enzymatic components, phenolic compounds, which are part of numerous groups of secondary metabolites in plants, can be mentioned ( Stolfa et al., 2015 ). Within these molecules, those with a flavonoid structure are part of the most important antioxidants in vegetables due to their ability to induce reduction reactions, chelate metals, inhibit enzymes, and capture free radicals ( Moradbeygi et al., 2020 ). In some cases, a metal-flavonoid complex is formed, which proves to be more efficient for ROS removal than the initial flavonoid ( Björkman et al., 2011 ; Jahangir et al., 2009 ).…”

Section: Introductionmentioning

confidence: 99%

Uptake and accumulation of Cr in edible parts of Eruca sativa from irrigation water. Effects on polyphenol profile and antioxidant capacity

Cuéllar

Veronica

Pfaffen

et al. 2021

Heliyon

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Metals in the environment have been an increasing research topic over the past decade, since they can be found in both natural and drinking water, including irrigation of crops and edible plants with contaminated water. The aim of this study was to investigate the uptake of Cr by arugula ( Eruca sativa ) in a greenhouse experiment, simulating the open field irrigation conditions. We also evaluate the toxic effects of Cr on oxidative stress by measuring the antioxidant capacity and polyphenol profile in the plant. The study examines the irrigation of arugula, during 15 and 21 days, with four Cr (VI) concentrations, ranging from 0 (control) to 250 μg. L −1 . Arugula plants were able to accumulate Cr when irrigated during 15 and 21 days in all the Cr concentrations evaluated. The estimated daily intake (EDI) shows that the amount of Cr accumulated by arugula plants does not represent a threat to human health. Application of Cr levels induced some changes in content, profile and capacity of antioxidants depending on Cr concentration and time of exposure. Taking into account that E. sativa is consumed due to its polyphenol-related health benefits, the allowable Cr limits in irrigation water should be reviewed, in order to maximize health benefits associated with its consumption, and also to improve vegetable quality. Arugula is a valuable and nutritious food, that should not be excluded from a balanced diet. Chromium concentration in irrigation water as well as the speciation forms present in vegetables should be controlled.

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Section: Introductionmentioning

confidence: 99%

Uptake and accumulation of Cr in edible parts of Eruca sativa from irrigation water. Effects on polyphenol profile and antioxidant capacity

Cuéllar

Veronica

Pfaffen

et al. 2021

Heliyon

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“…In other studies, Se was also found to mitigate the damage of ROS under cadmium stress in rice (Xu et al 2020). Iron oxide nanoparticles regulated the antioxidant defense to maintain redox homeostasis in Moldavian dragonhead under salinity stress (Moradbeygi et al 2020).…”

Section: Discussionmentioning

confidence: 76%

Selenium Promotes Sunflower Resistance to Sclerotinia Sclerotiorum by Regulating Redox Homeostasis and Hormonal Signaling Pathways

Chen

Sun

et al. 2021

Preprint

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Sclerotinia wilt of sunflower caused by Sclerotinia sclerotiorum is a devastating disease causing serious loss. Selenium (Se) has a benefit effect to plant in stress tolerance. In this study, sunflower leaves treated by foliar application of Se were inoculated with S. sclerotiorum. Pathogenesis on the inoculated leaves and transcript levels of plant genes involved in redox homeostasis and hormonal signaling pathways were examined. Se could be detected after the foliar application and was mainly transformed to selenomethionine in sunflower. Consequently, Se pretreatment delayed the necrosis development caused by S. sclerotiorum and alleviated the adverse effects derived from pathogen infection by differentially balancing the regulation of enzymes involved in the redox homeostasis. Specially, the cat expression increased to alleviate its downregulation responded to pathogen infection at the earlier infection stage (12 hour post inoculation, hpi) while the pod, gpx, apx, and nox expressions decreased to alleviate their responsive upregulation at the later infection stages (24 and 36 hpi). Se pretreatment enhanced the regulation of genes involved in hormonal signaling pathways, in which the AOC and PAL expressions increased to enhance its upregulation induced by pathogen infection for improving resistant responses at the earlier infection stage (12 hpi), as well as the AOC and PDF expressions increased at the later infection stages (24 hpi). Besides, the EIN2 expression increased to alleviate its downregulation at all of infection stages. Our results suggested that Se plays the beneficial effect on the resistant responses to S. sclerotiorum infection. This study provided a clue to improve the sustainable management of Sclerotinia wilt on sunflower by Se foliar application.

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“…106 Higher accumulation of phenolic shows a greater stress tolerance level. 107,108 Under salt stress, CC significantly increases the phenolic contents in cluster bean (Table 4). Our findings are in line with the results of similar responses reported in potato.…”

Section: Discussionmentioning

confidence: 99%

Choline Chloride Mediates Salinity Tolerance in Cluster Bean (Cyamopsis tetragonoloba L.) by Improving Growth, Oxidative Defense, and Secondary Metabolism

et al. 2021

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Choline chloride (CC) application enhanced the tolerance of cluster bean ( Cyamopsis tetragonoloba L.) against salinity stress. The aim of the study was to determine the protective role of CC on plant growth, photosynthesis, and biochemical indicators of oxidative stress. The seeds of BR-99 (tolerant) and BR-2017 (sensitive) were surface sterilized and sown in plastic pots containing river sandy soil. The design of the experiments was completely randomized with 4 replicates per treatment. Three weeks after germination, salinity (150 mM) was imposed. Then plants were sprayed with different concentrations of CC (3, 5, and 10 mM), while normal plants were sprayed with distilled water. Salinity decreased growth attributes, relative water contents, photosynthetic attributes, total soluble proteins, total free amino acids, phenolic, flavonoids, ascorbic acid, proline, and glycine betaine and increased the levels of oxidative stress indicators. However, the application of CC (particularly 5 mM) improved growth attributes, photosynthetic pigments, and activities of antioxidant compounds by reducing the levels of H2O2, malondialdehyde in salt-stressed plants in both cluster bean varieties. BR-99 variety showed more tolerance to salinity stress than that of BR-2017 in the form of greater oxidative defense and osmotic adjustment and clear from greater plant dry masses. Thus, our results showed that the application of CC (5 mM) is an efficient strategy for field use in the areas, where salt stress soils limit agriculture production.

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Investigating the enzymatic and non-enzymatic antioxidant defense by applying iron oxide nanoparticles in Dracocephalum moldavica L. plant under salinity stress

Cited by 126 publications

References 82 publications

Uptake and accumulation of Cr in edible parts of Eruca sativa from irrigation water. Effects on polyphenol profile and antioxidant capacity

Uptake and accumulation of Cr in edible parts of Eruca sativa from irrigation water. Effects on polyphenol profile and antioxidant capacity

Selenium Promotes Sunflower Resistance to Sclerotinia Sclerotiorum by Regulating Redox Homeostasis and Hormonal Signaling Pathways

Choline Chloride Mediates Salinity Tolerance in Cluster Bean (Cyamopsis tetragonoloba L.) by Improving Growth, Oxidative Defense, and Secondary Metabolism

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