Role of nanoparticles in crop improvement and abiotic stress management

Singh, Archana; Tiwari, Shalini; Pandey, Jyotsna L; Lata, Charu; Singh, Ishwar

doi:10.1016/j.jbiotec.2021.06.022

Cited by 89 publications

(39 citation statements)

References 164 publications

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“…The nanoparticle has been found to reduce ROS production in plants under metal stress. TiO 2 NPs and Fe NPs have been found effective in reducing the abiotic stress in plants by reducing ROS production in Zea mays and grape, respectively ( Mozafari and Ghaderi, 2018 ; Singh et al, 2021 ). In the current study, the increased production of antioxidants enzymes due to the positive effect of CeO 2 NPs ultimately decreased the production of EL, MDA, and H 2 O 2 contents in plants under chromium stress.…”

Section: Discussionmentioning

confidence: 99%

Application of Cerium Dioxide Nanoparticles and Chromium-Resistant Bacteria Reduced Chromium Toxicity in Sunflower Plants

Alshaya

Okla

et al. 2022

Front. Plant Sci.

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The continuous increase in the heavy metals concentration in the soil due to anthropogenic activities has become a global issue. The chromium, especially hexavalent chromium, is highly toxic for living organisms due to high mobility, solubility, and carcinogenic properties. Considering the beneficial role of nanoparticles and bacteria in alleviating the metal stress in plants, a study was carried out to evaluate the role of cerium dioxide (CeO2) nanoparticles (NPs) and Staphylococcus aureus in alleviating the chromium toxicity in sunflower plants. Sunflower plants grown in chromium (Cr) contaminated soil (0, 25, and 50 mg kg−1) were treated with CeO2 nanoparticles (0, 25, and 50 mg L−1) and S. aureus. The application of Cerium Dioxide Nanoparticles (CeO2 NPs) significantly improved plant growth and biomass production, reduced oxidative stress, and enhanced the enzymatic activities in the sunflower plant grown under chromium stress. The application of S. aureus further enhanced the beneficial role of nanoparticles in alleviating metal-induced toxicity. The maximum improvement was noted in plants treated with both nanoparticles and S. aureus. The augmented application of CeO2 NPs (50 mg l−1) at Cr 50 mg kg−1 increased the chl a contents from 1.2 to 2.0, chl b contents 0.5 to 0.8 and mg g−1 FW, and decreased the leakage of the electrolyte from 121 to 104%. The findings proved that the application of CeO2 nanoparticles and S. aureus could significantly ameliorate the metal-induced stress in sunflower plants. The findings from this study can provide new horizons for research in the application of nanoparticles in phytoremediation and bioremediation.

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Section: Discussionmentioning

confidence: 99%

Application of Cerium Dioxide Nanoparticles and Chromium-Resistant Bacteria Reduced Chromium Toxicity in Sunflower Plants

Alshaya

Okla

et al. 2022

Front. Plant Sci.

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“…When SPSi was applied with RL irradiation, the effects of the isolated or combined heat and water stresses were mitigated by the increased A, PRO, TSP-L, TSP-R, and TSS-L levels under these stress conditions, in addition to TDM accumulation and reductions in RWC, gs, E, Ci, and CAT-L, CAT-R, and SOD-L activity ( Figure 4 ). This mitigation occurs as the SiMPs cross cell wall barriers and, when in contact with plant cells, are captured by plasmodesmata pathways and translocated by apoplastic and/or symplastic pathways [ 19 , 23 ], reducing lipid peroxidation by decreasing the H 2 O 2 levels, which restores the redox balance and mitigates oxidative stress [ 25 ]. In addition, RL could have potentiated the effect of SiMPs since RL irradiation activates the phyA, phyB, phyC, phyD, and phyE phytochromes responsible for light capture and modulation, gene expression, and the transduction of signals related to growth regulation, plant development, metabolic activities, and responses to heat and water stress [ 2 , 27 ].…”

Section: Discussionmentioning

confidence: 99%

“…This scenario highlights the desire for technologies that can mitigate the effects of abiotic stresses on M. oleifera . In that regard, seed priming emerges as a promising alternative [ 2 ] that consists of soaking seeds in stress-mitigating solutions, e.g., silicon microparticle sources (SiMPs), with verified positive results in stress management in other crops, because the silicon is deposited in the endoplasmic reticulum, cell walls and intercellular spaces as hydrated amorphous silica, in addition to forming complexes with polyphenols to reinforce cell walls [ 18 , 19 , 20 , 21 ]; for example, wheat ( Triticum aestivum L.) under cadmium (Cd) stress [ 22 , 23 ] and thermal stress [ 24 ], and rice ( Oryza sativa L.) under drought [ 25 ]. Furthermore, developing accessible methodologies to obtain materials that will serve as Si sources is highly desirable.…”

Section: Introductionmentioning

confidence: 99%

Seed Priming with Glass Waste Microparticles and Red Light Irradiation Mitigates Thermal and Water Stresses in Seedlings of Moringa oleifera

Costa

Ferraz

Neto

et al. 2022

Plants

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The association between population increase and the exploitation of natural resources and climate change influences the demand for food, especially in semi-arid regions, highlighting the need for technologies that could provide cultivated species with better adaptation to agroecosystems. Additionally, developing cultivation technologies that employ waste materials is highly desirable for sustainable development. From this perspective, this study aimed to evaluate whether seed priming with glass waste microparticles used as a silicon source under red light irradiation mitigates the effects of thermal and water stress on seedlings of Moringa oleifera. The experimental design was set up in randomized blocks using a 2 × 2 × 2 factorial arrangement consisting of seed priming (NSP—no seed priming, and SPSi—seed priming with glass microparticles under red light irradiation), soil water replenishment (W50—50%, and W100—100% of crop evapotranspiration—ETc), and temperature change (TC30°—30 °C day/25 °C night and TC40°—40 °C day/35 °C night). Seed priming with glass microparticles under red light irradiation mitigated the effects of thermal and water stress on seedlings of Moringa oleifera seedlings through the homeostasis of gas exchange, leaf water status, osmotic adjustment, and the antioxidant mechanism.

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“…Based on the experimental data accumulated in the past years, it can be stated that nanomaterials, including nanometals, provide a promising strategy to address these environmental challenges that plants face. This topic is a focus of several recent reviews (Kahn and Upadhyaya, 2019; Zhao et al , 2020 ; Singh et al , 2021 ; Thounaojam et al , 2021 ).…”

Section: Promoting Effects Of Essential Nanometals On Non-metal-accum...mentioning

confidence: 99%

Nanoforms of essential metals: from hormetic phytoeffects to agricultural potential

Kolbert

Szőllősi

Rónavári

et al. 2021

Journal of Experimental Botany

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Vital plant functions require at least six metals (copper, iron, molybdenum, manganese, zinc, nickel) which function as enzyme cofactors or inducers. In the past decades, the rapidly evolving nanotechnology has created nanoforms of essential metals (e.g. nZnO, nFe2O3 etc.), having a number of favourable properties over the bulk material. The effects of nanometals on plants are concentration-dependent (hormesis), but also depend on the properties of the nanometals, the plants species and the treatment conditions. This review collects studies examining plant responses to essential nanometal treatments using (multi)omics approach and emphasizes the importance of gaining a holistic view of the diversified effects. Furthermore, the review discusses the beneficial effects of essential nanometals on plants, which provides the basis for their applicability in crop production as nanopriming or nanostimulator agents, nanofertilizers etc. As by the application of essential nanometals lower environmental impact and increased yield can be achieved, nanometals support sustainable agriculture. Recent studies actively examine the utilization of green-synthetized metal nanoparticles, which perfectly fits into the environmental-friendly trend of future agriculture. There is still a long way to go before essential nanometals can be safely applied in agricultural, but it is certainly a promising direction that is timely to investigate.

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Role of nanoparticles in crop improvement and abiotic stress management

Cited by 89 publications

References 164 publications

Application of Cerium Dioxide Nanoparticles and Chromium-Resistant Bacteria Reduced Chromium Toxicity in Sunflower Plants

Application of Cerium Dioxide Nanoparticles and Chromium-Resistant Bacteria Reduced Chromium Toxicity in Sunflower Plants

Seed Priming with Glass Waste Microparticles and Red Light Irradiation Mitigates Thermal and Water Stresses in Seedlings of Moringa oleifera

Nanoforms of essential metals: from hormetic phytoeffects to agricultural potential

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