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20 resultsShowing papers similar to ZnO Nanoparticle-based Seed Priming Modulates Early Growth and Enhances Physio-biochemical and Metabolic Profiles of Fragrant Rice Against Cadmium Toxicity
ClearZnO nanoparticle-based seed priming modulates early growth and enhances physio-biochemical and metabolic profiles of fragrant rice against cadmium toxicity
Researchers studied how zinc oxide nanoparticles applied to rice seeds could help the plants resist cadmium toxicity in contaminated soils. The study found that this seed treatment substantially improved early growth and strengthened the plants' biochemical defenses. These findings suggest a potential strategy for growing crops more safely in soils contaminated with heavy metals.
Exogenously Applied Sodium Nitroprusside Alleviated Cadmium Toxicity in Different Aromatic Rice Cultivars by Improving Nitric Oxide Accumulation and Modulating Oxidative Metabolism
Researchers investigated whether spraying sodium nitroprusside, a compound that releases nitric oxide, could help aromatic rice plants cope with cadmium-contaminated soil. They found that the treatment reduced oxidative stress markers in the plants and improved photosynthesis, yield, and grain quality across three rice varieties. The study suggests that nitric oxide supplementation may offer a practical approach for growing rice more safely in heavy metal-polluted agricultural areas.
Divergent Responsesof Rice (Oryzasativa L.) Cell Wall to Cd Phytotoxicity Affectedby Continuous Nanoplastics Stimulation
Researchers found that nanoplastics exert a dosage-dependent dual effect on cadmium toxicity in rice roots: low doses helped sequester cadmium in the cell wall, while high doses disrupted cell wall structure and allowed 34% more cadmium to translocate to shoots.
Divergent Responses of Rice ( Oryza sativa L.) Cell Wall to Cd Phytotoxicity Affected by Continuous Nanoplastics Stimulation
Researchers exposed rice plants to nanoplastics and cadmium, revealing a dosage-dependent dual effect: low nanoplastic doses immobilized 72% of cadmium in roots, while high doses disrupted cell wall integrity and increased cadmium translocation to shoots by 34%, worsening toxicity.
Indole-3-acetic acid and zinc synergistically mitigate positively charged nanoplastic-induced damage in rice
Positively charged 80 nm polystyrene nanoplastics had the greatest impact on rice seedling growth, reducing dry biomass by 41% and root length by 46%, while supplemental zinc and indole-3-acetic acid together significantly alleviated the nanoplastic-induced growth inhibition.
Zinc oxide nanoparticles and polyethylene microplastics affect the growth, physiological and biochemical attributes, and Zn accumulation of rice seedlings
Researchers found that both zinc oxide nanoparticles and polyethylene microplastics disrupted growth, physiology, and zinc uptake in two rice cultivars, with nanoparticles having a stronger effect than microplastics, and responses varying by cultivar and dose.
Biosynthesis of Zinc Oxide Nanoparticles via Leaf Extracts of Catharanthus roseus (L.) G. Don and Their Application in Improving Seed Germination Potential and Seedling Vigor of Eleusine coracana (L.) Gaertn
Researchers developed zinc oxide nanoparticles biosynthesized from Catharanthus roseus leaf extracts and demonstrated their effectiveness as a nanopriming agent for improving seed germination and seedling vigor in finger millet.
Multiomics analysis reveals a substantial decrease in nanoplastics uptake and associated impacts by nano zinc oxide in fragrant rice (Oryza sativa L.)
Researchers found that nano zinc oxide (nZnO) particles form aggregates with polystyrene nanoplastics in the root zone of fragrant rice, physically blocking nanoplastic uptake, while transcriptomic and metabolomic analyses revealed that nZnO also restored antioxidant defenses and rescued aroma compound biosynthesis that nanoplastics had disrupted.
Zinc ions enhance tolerance to nanoplastics stress in rice seedlings: Advancing the development and optimization of traditional zinc fertilizers
Researchers tested whether traditional zinc sulfate fertilizer could help rice seedlings tolerate polystyrene microplastic stress, as an alternative to zinc oxide nanoparticles which carry their own environmental risks. They found that appropriate zinc levels reduced oxidative damage through different mechanisms in shoots versus roots, restoring photosynthesis and development. The findings offer a practical, lower-risk strategy for protecting crops from microplastic contamination in agricultural soils.
Exploration of Single and Co-Toxic Effects of Polypropylene Micro-Plastics and Cadmium on Rice (Oryza sativa L.)
Researchers investigated the single and combined toxic effects of polypropylene microplastics and cadmium on rice plants, finding that co-exposure altered cadmium bioavailability and produced compounded negative effects on plant growth and development.
Oryza rufipogon and nanoparticles mitigate nanoplastic toxicity by modulating lignin, cell wall thickening, and carbohydrate metabolism
Researchers compared wild rice (Oryza rufipogon) and cultivated rice under nanoplastic stress, finding that wild rice suffered far less growth and chlorophyll loss due to greater lignin deposition, stronger antioxidant defenses, and activation of cell wall-strengthening genes, while adding nano-selenium partially restored growth in both varieties.
Mitigating the effects of PVC microplastics and mercury stress on rye (Secale cereale L.) plants using zinc oxide−nanoparticles
Researchers applied zinc oxide nanoparticles to rye plants exposed to PVC microplastics and mercury in soil, finding that ZnO-NPs mitigated some of the toxic effects by improving nutrient uptake and reducing oxidative stress. The study suggests nanoparticle-based approaches may help protect crops in microplastic- and heavy metal-contaminated soils.
Tetracycline Alleviates Cadmium Toxicity in Rice Seedlings by Altering Pollutant Accumulation, Nutrient Absorption, Osmoregulation and Antioxidant Metabolism
Researchers investigated how tetracycline antibiotics interact with cadmium contamination in rice seedlings, examining effects on growth, nutrient uptake, and antioxidant responses. The study found that tetracycline can alter how cadmium accumulates in rice, with implications for understanding co-contamination risks in agricultural environments where both pollutants are present.
Foliar-Applied Selenium Nanoparticles Alleviate Cadmium Stress Through Changes in Physio-Biochemical Status and Essential Oil Profile of Coriander (Coriandrumsativum L.) Leaves
This study tested whether foliar application of selenium nanoparticles could help coriander plants resist the toxic effects of cadmium-contaminated soil, finding that selenium nanoparticles reduced cadmium uptake and protected plant physiology and essential oil quality. Protecting crops from heavy metal stress is increasingly important as agricultural soils receive combined contamination from metals and microplastics.
Silicon mitigates combined cadmium and microplastics toxicity in rice by regulating glyoxalase system, and phytochelatin-mediated cadmium detoxification
Researchers demonstrated that foliar silicon application mitigates the combined toxicity of cadmium and microplastics in rice by enhancing antioxidant defenses, stimulating phytochelatin production to sequester cadmium, suppressing cadmium-uptake gene expression, and restoring chlorophyll content and hormone signaling to recover crop yield.
Stimulating effect of biogenic nanoparticles on the germination of basil (Ocimum basilicum L.) seeds
Researchers synthesized silver, zinc oxide, and iron oxide nanoparticles using plant extracts from thyme and lavender, then tested their effects on basil seed germination. They found that different nanoparticle types and concentrations enhanced germination at varying rates, with silver nanoparticles at 200 mg/L producing the strongest overall boost, suggesting that biologically made nanoparticles could serve as low-toxicity agricultural growth promoters.
Alleviation ofNanoplastic Stress in Rice: Evidencefrom Biochemical, Cytological, Physiological, and Transcriptome Analysis
Researchers used biochemical, cytological, physiological, and transcriptomic analyses to investigate nanoplastic stress in two rice cultivars and the mitigating effect of molybdenum oxide nanoparticles (nMo), finding that nMo heteroaggregates with nanoplastics and reduces oxidative stress markers including H2O2 and MDA by 9-19%. The wild-derived cultivar S18 showed superior cellular protection compared to cultivated MeiXiangZhan, suggesting genetic variation in nanoplastic tolerance.
Oxidative Damage in Roots of Rice (Oryza sativa L.) Seedlings Exposed to Microplastics or Combined with Cadmium
Rice seedlings exposed to polystyrene microplastics and cadmium showed combined toxic effects on root growth, fresh and dry weight, and antioxidant enzyme activities, with combined exposure producing greater oxidative damage than either pollutant alone. The study highlights synergistic phytotoxicity in a staple crop relevant to food security in microplastic-contaminated paddy soils.
Alleviation ofNanoplastic Stress in Rice: Evidencefrom Biochemical, Cytological, Physiological, and Transcriptome Analysis
Researchers investigated nanoplastic stress responses and mitigation strategies in two rice cultivars through biochemical, cytological, physiological, and transcriptome analyses, testing whether molybdenum oxide nanoparticles could alleviate toxicity via heteroaggregation with nanoplastics. Results confirmed nMo reduced oxidative damage markers and that the wild-derived cultivar S18 maintained better physiological function under combined nMo and nanoplastic treatment than cultivated rice.
Alleviation of Nanoplastic Stress in Rice: Evidence from Biochemical, Cytological, Physiological, and Transcriptome Analysis
Researchers studied how MoO3 nanoparticles alleviate nanoplastic stress in two rice cultivars, finding that MoO3 heteroaggregates with nanoplastics, reducing their uptake and mitigating biochemical, cytological, and transcriptomic stress responses in rice seedlings.