Exogenous calcium oxide nanoparticles alleviate cadmium toxicity by reducing Cd uptake and enhancing antioxidative capacity in barley seedlings

Journal of Hazardous Materials, Journal Year: 2022, Volume and Issue: 438, P. 129498 - 129498

Published: June 29, 2022

Language: Английский

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Foliar application of biosynthetic nano-selenium alleviates the toxicity of Cd, Pb, and Hg in Brassica chinensis by inhibiting heavy metal adsorption and improving antioxidant system in plant

Ecotoxicology and Environmental Safety, Journal Year: 2022, Volume and Issue: 240, P. 113681 - 113681

Published: May 30, 2022

Biosynthetic nano-selenium (bio-SeNP), as a plant growth regulator, has better bioavailability and lower toxicity than selenite selenate. This study investigated the beneficial role of bio-SeNP in mitigating adverse effects multiple heavy metals (HMs, e.g., Cd, Pb, Hg) on yield pak choi (Brassica chinensis) grown slightly or heavily polluted (SP HP) soil by regulating metabolic antioxidant systems. The results revealed that foliar application (5, 10, 20 mg L-1 Se) at 6-leaf stage greatly reduced levels Hg shoots roots choi. Application 5 significantly (p < 0.05) decreased translocation factor (TF) from root to shoot 9.83%, 44.21%, 46.99% for SP soil, 24.17%, 56.00%, 39.36% HP respectively. Meanwhile, all treatments led significant improvement plants enhancing defense system (e.g., AsA-GSH) promoting chlorophyll synthesis well suppressed lipid peroxidation products contents (MDA) shoots. Moreover, enhanced mineral nutrient elements Ca, Mg, Fe, Zn) organic selenium selenocystine, Se-methylselenocysteine, selenomethionine) edible bio-SeNP-treated under HMs stress indicated positive impacts quality nutritional values. Collectively, our play an important management HMs-induced Foliar appropriate concentration (≤ can be considered promising agronomic measure safety leafy vegetable production soils when application.

Language: Английский

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Recent Advances in Microbial-Assisted Remediation of Cadmium-Contaminated Soil

Plants, Journal Year: 2023, Volume and Issue: 12(17), P. 3147 - 3147

Published: Aug. 31, 2023

Soil contamination with cadmium (Cd) is a severe concern for the developing world due to its non-biodegradability and significant potential damage ecosystem associated services. Industries such as mining, manufacturing, building, etc., rapidly produce substantial amount of Cd, posing environmental risks. Cd toxicity in crop plants decreases nutrient water uptake translocation, increases oxidative damage, interferes plant metabolism inhibits morphology physiology. However, various conventional physicochemical approaches are available remove from soil, including chemical reduction, immobilization, stabilization electro-remediation. Nevertheless, these processes costly unfriendly environment because they require much energy, skilled labor hazardous chemicals. In contrasting, contaminated soils can be restored by using bioremediation techniques, which use alone association different beneficial microbes cutting-edge approaches. This review covers new ways. The capability bacteria fungi combination studied analyzed. Microbes, bacteria, algae, reported have high tolerance metals, having 98% capability. internal structure microorganisms, their cell surface characteristics surrounding circumstances all discussed concerning how detoxify metals. Moreover, issues affecting effectiveness explored, along difficulties, solutions prospects.

Language: Английский

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Selenium Regulates Antioxidant, Photosynthesis, and Cell Permeability in Plants under Various Abiotic Stresses: A Review

Plants, Journal Year: 2022, Volume and Issue: 12(1), P. 44 - 44

Published: Dec. 22, 2022

Plant growth is affected by various abiotic stresses, including water, temperature, light, salt, and heavy metals. Selenium (Se) not an essential nutrient for plants but plays important roles in alleviating the stresses suffered plants. This article summarizes Se uptake metabolic processes functions of response to metal promotes beneficial substances, maintains stability plasma membranes, enhances activity antioxidant enzymes, thus adverse effects under stresses. Future research directions on relationship between are proposed. will further deepen our understanding

Language: Английский

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The role of selenium and nano selenium on physiological responses in plant: a review

Plant Growth Regulation, Journal Year: 2023, Volume and Issue: 100(2), P. 409 - 433

Published: March 24, 2023

Language: Английский

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Antifungal activity of green synthesized selenium nanoparticles and their effect on physiological, biochemical, and antioxidant defense system of mango under mango malformation disease

PLoS ONE, Journal Year: 2023, Volume and Issue: 18(2), P. e0274679 - e0274679

Published: Feb. 7, 2023

Plant extract-based green synthesis of nanoparticles is an emerging class nanotechnology that has revolutionized the entire field biological sciences. Green synthesized are used as super-growth promoters and antifungal agents. In this study, selenium (SeNPs) were using Melia azedarach leaves extract main reducing stabilizing agent characterized by UV-visible spectroscopy, scanning electron microscopy (SEM), X-ray diffraction (XRD), energy-dispersive (EDX), fourier transform infrared spectrometer (FTIR). The SeNPs exogenously applied on Mangifera indica infected with mango malformation disease. at a concentration 30 μg/mL found to be best which enhanced physiological (chlorophyll membrane stability index), biochemical (proline soluble sugar) parameters. antioxidant defense system was also explored, it reported significantly reduced biotic stress enhancing enzymatic non-enzymatic activities. vitro activity 300 inhibited Fusarium mangiferae most. This study considered first biocompatible approach evaluate potential improve health malformation-infected plants effective management strategy inhibit growth F. mangifera.

Language: Английский

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Nano-enabled agrochemicals: mitigating heavy metal toxicity and enhancing crop adaptability for sustainable crop production

Journal of Nanobiotechnology, Journal Year: 2024, Volume and Issue: 22(1)

Published: March 5, 2024

Abstract The primary factors that restrict agricultural productivity and jeopardize human food safety are heavy metals (HMs), including arsenic, cadmium, lead, aluminum, which adversely impact crop yields quality. Plants, in their adaptability, proactively engage a multitude of intricate processes to counteract the impacts HM toxicity. These orchestrate profound transformations at biomolecular levels, showing plant’s ability adapt thrive adversity. In past few decades, stress tolerance crops has been successfully addressed through combination traditional breeding techniques, cutting-edge genetic engineering methods, strategic implementation marker-dependent approaches. Given remarkable progress achieved this domain, it become imperative adopt integrated methods mitigate potential risks arising from environmental contamination on yields, is crucial as we endeavor forge ahead with establishment enduring systems. manner, nanotechnology emerged viable field sciences. applications extensive, encompassing regulation stressors like toxic metals, improving efficiency nutrient consumption alleviating climate change effects. Integrating nanomaterials agrochemicals mitigated drawbacks associated agrochemicals, challenges organic solvent pollution, susceptibility photolysis, restricted bioavailability. Numerous studies clearly show immense nanofertilizers tackling acute crisis toxicity production. This review seeks delve into using NPs effectively enhance resilience, thereby fostering an environmentally friendly economically approach toward sustainable advancement foreseeable future.

Language: Английский

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Mitigating cadmium accumulation and toxicity in plants: The promising role of nanoparticles

The Science of The Total Environment, Journal Year: 2023, Volume and Issue: 912, P. 168826 - 168826

Published: Nov. 30, 2023

Language: Английский

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A Recent Update on the Impact of Nano-Selenium on Plant Growth, Metabolism, and Stress Tolerance

Plants, Journal Year: 2023, Volume and Issue: 12(4), P. 853 - 853

Published: Feb. 14, 2023

Selenium (Se) is a microelement that plays an important nutrient role by influencing various physiological and biochemical traits in plants. It has been shown to stimulate plant metabolism, enhancing secondary metabolites lowering abiotic biotic stress Globally, the enormous applications of nanotechnology food agricultural sectors have vastly expanded. Nanoselenium more active than bulk materials, routes synthesis Se nanoparticles (Se-NPs) reported which green using plants attractive due reduction ecological issues increase biological activities. The Se-NP-based biofortification significant because it increases tolerance positively impacts their metabolism. Se-NPs can enhance resistance oxidative stresses, promote growth, soil status, antioxidant levels, participate transpiration process. Additionally, they use readily available, biodegradable reducing agent are ecologically friendly. This review concentrates on notable information different modes Se-NPs’ characterization, yield, tolerance, influence metabolic

Language: Английский

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Nanoremediation for heavy metal contamination: A review

Hybrid Advances, Journal Year: 2023, Volume and Issue: 4, P. 100091 - 100091

Published: Oct. 2, 2023

Pollution is a significant problem in both industrialized and developing countries, as well some developed countries. Heavy metal pollution poses crucial concern for communities due to its detrimental impact on human health the long-term well-being of planet. metals, such cadmium, chromium, arsenic, lead, mercury, do not degrade can enter food chain, leading risks. Therefore, it essential monitor take necessary steps eliminate heavy residues that may be present food, beverages, environment. Although exact role nanomaterials cleanup still unclear, nanotechnology holds promise future solution. In first part this comprehensive review, brief overview nanoremediation provided. The subsequent sections delve into various their potential applications different scenarios. Following that, critical analysis conducted nano-remediation methods, including oxidation, adsorption, chemical precipitation, filtration, ion exchange, coagulation-flocculation, photo-catalysis. Lastly, further suggestions are put forward regarding utilization more effective enduring cleanup, particularly eliminating metals.

Language: Английский

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