Effects of copper oxide nanoparticles on growth of lettuce (Lactuca sativa L.) seedlings and possible implications of nitric oxide in their antioxidative defense

Pelegrino, Milena T.; Kohatsu, Márcio Yukihiro; Seabra, Amedea B.; Monteiro, Lucilena Rebêlo; Gomes, Diego Genuário; Oliveira, Halley Caixeta; Rolim, Wallace R.; Jesus, Tatiane Araújo de; Batista, Bruno Lemos; Lange, Camila Neves

doi:10.1007/s10661-020-8188-3

Cited by 87 publications

(48 citation statements)

References 67 publications

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“…The results showed that CuO NPs (≤20 μg mL −1 ) enhanced plant seedling growth. 9 These results indicated the positive effects of CuO NPs at low concentrations on lettuce growth.…”

Section: Introductionmentioning

confidence: 84%

“…19,20 The increase in RSNO levels in plant tissue was observed upon administration of high and toxic concentrations of CuO NPs applied to lettuce seedlings. 9 However, despite evidence correlating Cu and NO, this is the first report to investigate the effects of individual and combined administration of CuO NPs and/or GSNO sprayed onto lettuce leaves. Several physiological and biochemical parameters were evaluated.…”

mentioning

confidence: 90%

“…CuO NPs were prepared by using green tea extract in a single-pot, eco-friendly and low-cost synthesis. 6,9 Cu and NO have been linked in previous studies. 9,19,20 Cu ions are well known to decompose RSNO, increasing the formation of NO in plants.…”

mentioning

confidence: 94%

“…6,9 Cu and NO have been linked in previous studies. 9,19,20 Cu ions are well known to decompose RSNO, increasing the formation of NO in plants. 19,20 The increase in RSNO levels in plant tissue was observed upon administration of high and toxic concentrations of CuO NPs applied to lettuce seedlings.…”

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confidence: 94%

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Foliar spray application of CuO nanoparticles (NPs) and S‐nitrosoglutathione enhances productivity, physiological and biochemical parameters of lettuce plants

Pelegrino

Pieretti

Lange

et al. 2021

J of Chemical Tech & Biotech

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BACKGROUND: Green-tea-synthesized copper oxide nanoparticles (CuO NPs) and S-nitrosoglutathione (GSNO), a nitric oxide (NO) donor, were applied individually and in combination to lettuce leaves. We aimed to investigate whether a combined application of CuO NPs and GSNO might enhance plant growth when compared to individual treatments and the control group. RESULTS: Spherical CuO NPs (13.4 ± 0.1 nm) at 50 ∼g mL −1 and/or GSNO at 100 ∼mol L −1 were individually and simultaneously sprayed onto lettuces leaves. All treatments had a positive effect on plant growth, and the administration of CuO NPs + GSNO promoted a threefold increase in lettuce dry weight. The treatments did not change plant transpiration, and all treatments enhanced instantaneous carboxylation efficiency compared to control. In the roots, all treatments enhanced the levels of S-nitrosothiol in the following order: CuO NPs < GSNO < CuO NPs + GSNO. Administration of GSNO significantly increased total phenolic content (twofold) and flavonoid content (fourfold) compared to the control group. All treatments increased the leaf levels of K, Na, Ca, Mg and S compared to the control group. CONCLUSION: All treatments promoted positive effects on lettuce growth, and no oxidative damage was observed, under the experimental conditions evaluated. A combined administration of CuO NPs and GSNO enhanced important physiological, biochemical and nutritional parameters of lettuces.

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“…The results showed that CuO NPs (≤20 μg mL −1 ) enhanced plant seedling growth. 9 These results indicated the positive effects of CuO NPs at low concentrations on lettuce growth.…”

Section: Introductionmentioning

confidence: 84%

mentioning

confidence: 90%

mentioning

confidence: 94%

mentioning

confidence: 94%

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Foliar spray application of CuO nanoparticles (NPs) and S‐nitrosoglutathione enhances productivity, physiological and biochemical parameters of lettuce plants

Pelegrino

Pieretti

Lange

et al. 2021

J of Chemical Tech & Biotech

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“…Oakleaf lettuces are fast growing plants with delicate leaves of large leaf surface, making the plant a good model for studies with foliar applied NPs. It is worth noting that lettuce is often used in studies assessing changes in plant metabolic pathways under the influence of abiotic stress, including the effects of NPs on these plants [ 26 , 27 , 28 , 29 ].…”

Section: Introductionmentioning

confidence: 99%

Sequential Changes in Antioxidant Potential of Oakleaf Lettuce Seedlings Caused by Nano-TiO2 Treatment

et al. 2021

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Nowadays, there is an increasing interest in nanoparticle (NP) technology used in household and industrial products. It could cause an accumulation and dispersion of NPs in the environment, with possible harmful effects on living organisms. Nanoparticles significantly affect plants and alter their physiology and biochemical pathways, and nanotechnology can be used to improve plant characteristics that are desirable by humans. Therefore, more extensive studies of NP interactions with plants are still needed. The aim of this report is to investigate the effect of TiO2 nanoparticles (TiO2-NPs) on the enzymatic and non-enzymatic antioxidants, fresh and dry weights, and malondialdehyde contents in oakleaf lettuce seedlings. Plants were foliar treated with a 0.75% suspension of TiO2-NPs, while control plants were sprayed with deionized water. Leaves were sampled 4, 7, 9, 11, and 13 days after the treatment. The effects of TiO2-NPs were time-dependent, but the most spectacular changes were observed 4 days after the treatment. Exposure of the plants to TiO2-NPs significantly increased the contents of glutathione at all sampling points, total phenolics at days 4 and 13, and L-ascorbic acid at 4, 7, and 11 days after the treatment. Elevated levels of ascorbate peroxidase and guaiacol peroxidase activities were recorded at days 4 and 13, respectively. Total antioxidant capacity increased initially in treated seedlings, when compared with the control, and then decreased. On day 7, higher fresh and dry weights, as well as malondialdehyde contents in TiO2-NPs treated plants were observed, compared with the control. The study demonstrated that the activation of some antioxidant system components due to TiO2-NPs treatment was connected with the induction of mild oxidative stress, with no external symptoms of NP toxicity in oakleaf lettuce.

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Current Scenario and Future Trends of Plant Nano‐Interaction to Mitigate Abiotic Stresses: A Review

Yasmeen

Mustafa

Jhanzab

et al. 2023

Impact of Engineered Nanomaterials in Genomics and Epigenomics

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Effects of copper oxide nanoparticles on growth of lettuce (Lactuca sativa L.) seedlings and possible implications of nitric oxide in their antioxidative defense

Cited by 87 publications

References 67 publications

Foliar spray application of CuO nanoparticles (NPs) and S‐nitrosoglutathione enhances productivity, physiological and biochemical parameters of lettuce plants

Foliar spray application of CuO nanoparticles (NPs) and S‐nitrosoglutathione enhances productivity, physiological and biochemical parameters of lettuce plants

Sequential Changes in Antioxidant Potential of Oakleaf Lettuce Seedlings Caused by Nano-TiO2 Treatment

Current Scenario and Future Trends of Plant Nano‐Interaction to Mitigate Abiotic Stresses: A Review

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