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20 resultsShowing papers similar to Synergistic integration of melatonin, copper nanoparticles, and Bacillus velezensis mitigates anthracnose and microplastic stress in chili: A novel eco-friendly strategy for sustainable crop protection
ClearReclaiming multi-contaminated soil: melatonin alleviates cadmium and microplastic toxicity to restore rice growth and yield
Researchers investigated whether melatonin could mitigate the combined toxicity of cadmium and microplastics in agricultural soils to restore rice growth and yield. The study found that melatonin treatment modulated plant physiological function, reduced cadmium uptake, and improved soil properties, offering a promising approach to help crops withstand multi-contaminant stress from both heavy metals and microplastics.
Exogenous Melatonin Application Alleviates Microplastics and Cadmium‐Induced Phytotoxicity in Maize ( Zea mays L.) Plants: Insights From Physiological and Metabolomic Analyses
Researchers investigated whether exogenous melatonin could alleviate the combined phytotoxicity of microplastics and cadmium in maize plants. The study found that melatonin application reduced oxidative damage and improved plant growth under co-contamination stress, suggesting that melatonin may serve as a biostimulant to help crops cope with the increasingly common co-occurrence of microplastics and heavy metals in agricultural soils.
Titanium dioxide nanoparticles alleviates polystyrene nanoplastics induced growth inhibition by modulating carbon and nitrogen metabolism via melatonin signaling in maize
Researchers found that titanium dioxide nanoparticles can help protect maize plants from the growth-inhibiting effects of polystyrene nanoplastics. The protective mechanism works through the plant hormone melatonin, which regulates carbon and nitrogen metabolism when the nanoparticles are present. The study suggests that certain nanoparticles could potentially be used as agricultural tools to help crops cope with nanoplastic contamination in soil.
Ameliorating arsenic and PVC microplastic stress in barley (Hordeum vulgare L.) using copper oxide nanoparticles: an environmental bioremediation approach
Researchers studied the combined stress of PVC microplastics and arsenic on barley plants, along with the potential mitigating effect of copper oxide nanoparticles. They found that increasing levels of microplastics and arsenic significantly reduced plant growth, photosynthesis, and biomass while increasing oxidative stress markers. Application of copper oxide nanoparticles substantially improved plant health by boosting antioxidant defenses and reducing oxidative damage.
Plant growth-promoting bacteria modulate gene expression and induce antioxidant tolerance to alleviate synergistic toxicity from combined microplastic and Cd pollution in sorghum
Scientists found that a beneficial soil bacterium (Bacillus sp. SL-413) can help protect sorghum plants from the combined toxic effects of microplastics and cadmium, a heavy metal. The bacterium boosted plant growth, reduced harmful reactive oxygen species by up to 27%, and reactivated genes that the pollution had shut down. This research points to a nature-based solution for helping food crops survive in microplastic-contaminated soil.
Mitigation of microplastic toxicity in soybean by synthetic bacterial community and arbuscular mycorrhizal fungi interaction: Altering carbohydrate metabolism, hormonal transduction, and genes associated with lipid and protein metabolism
Researchers found that inoculating soybean plants with a combination of mycorrhizal fungi and beneficial bacteria helped protect them from microplastic-induced stress, improving biomass, seed quality, antioxidant defenses, and hormone balance. The study suggests that soil microbe communities could be harnessed as a sustainable strategy to help crops cope with growing microplastic contamination in agricultural soils.
Melatonin Defends Against the Oxidative Stress by Preventing the Uptake of Nanoplastics and Activating the Antioxidant System in Paeonia ostii.
Scientists found that melatonin (a natural hormone) can protect plants from tiny plastic particles by blocking them from entering plant cells and reducing harmful damage inside the plant. This matters because these microscopic plastics are spreading everywhere in our environment and getting into our food chain. While this study only looked at plants, it suggests melatonin might help protect living things from plastic pollution - though more research is needed to know if this applies to humans.
Morphological, physiological, and molecular responses of Perilla frutescens to copper stress alleviated by PVC microplastics
Researchers discovered that low concentrations of PVC microplastics can actually reduce the harmful effects of copper on perilla plants, an important crop. The microplastics appeared to help by improving cell membrane function, suppressing stress hormones, and adjusting fat metabolism pathways. While this does not mean microplastics are beneficial overall, the study reveals surprisingly complex interactions between plastic pollution and heavy metals in agricultural environments.
Enhancing spinach growth and soil microbial health under sulfadiazine and polypropylene exposure through zinc fortification
Researchers found that zinc oxide nanoparticles can effectively reduce the toxic effects of antibiotics and polypropylene microplastics on spinach plants grown in contaminated soil. The zinc treatment lowered oxidative stress markers by 18-28% while boosting the activity of protective enzymes in roots and shoots. The study suggests that zinc supplementation could be a practical strategy for improving crop health in soils polluted with microplastics and pharmaceutical residues.
Integrating microplastic research in sustainable agriculture: Challenges and future directions for food production
Researchers reviewed how microplastics interact with environmental stressors like heat, drought, and salinity to threaten crop health and food safety, finding that microplastics can increase toxic metal uptake in plants and alter growth — with risks likely to worsen as climate change intensifies.
Melatonin-Mediated Abiotic Stress Tolerance in Plants
This review examines how melatonin, a molecule found in all living organisms, helps plants cope with environmental stresses like drought, extreme temperatures, salinity, and heavy metal contamination. Researchers found that melatonin works by neutralizing harmful reactive oxygen species and activating plant defense pathways. The study suggests that melatonin-based treatments could help improve crop resilience in the face of increasing environmental challenges, including soil pollution.
Dual regulation of pakchoi–soil systems by zinc oxide nanoparticles under polyethylene microplastics stress: Dose-dependent effects, microbial cascades, and risk propagation
Researchers studied how zinc oxide nanoparticles at different doses regulate the pakchoi-soil-microbe system under polyethylene microplastic stress, finding dose-dependent effects on plant antioxidant responses, nutrient uptake, and soil bacterial communities that reflect complex, interacting contamination risks.
Melatonin reduces nanoplastic uptake, translocation, and toxicity in wheat
Researchers investigated whether melatonin could reduce the harmful effects of polystyrene nanoplastics on wheat plants. They found that melatonin application significantly decreased nanoplastic uptake by roots and their transport to shoots by regulating aquaporin gene expression and activating antioxidant defense systems. The study suggests that melatonin may serve as a protective agent to help mitigate nanoplastic toxicity in crops.
Nanoscale-specific bioassimilation of sulfur: Time and coating specific modulation of transcriptomic and metabolomic pathways in diseased tomato
This study tested pristine and coated sulfur nanoparticles as soil amendments to help tomato plants resist fungal disease while also improving sulfur nutrition, finding disease suppression benefits alongside metabolic and microbiome effects. Understanding how nanoparticles affect plant-soil-microbe interactions is relevant given concerns that plastic nanoparticles contaminating soils may similarly disrupt these systems.
The effects of polyvinyl chloride microplastics and zinc oxide nanoparticles co-exposure on nutritional quality of purple waxy maize grains
Researchers investigated the co-exposure effects of polyvinyl chloride microplastics and zinc oxide nanoparticles on purple waxy maize grain quality. Surprisingly, the combination treatment increased ear weight and improved nutritional quality by promoting protein, starch, and amino acid accumulation, suggesting that zinc oxide nanoparticles may help mitigate some negative effects of microplastic soil contamination on crop nutrition.
Silicon regulates microplastic-induced phytotoxicity and its detoxification mechanism: A plant-microbe perspective
Researchers investigated whether silicon supplements could protect kale from the harmful effects of polyethylene microplastics in soil. They found that silicon increased plant biomass by 16-25% and reversed microplastic-induced suppression of soil enzymes, while also promoting beneficial soil bacteria. The study suggests that silicon could be a practical strategy for improving crop resilience in microplastic-contaminated agricultural soils.
Dual-Stress Mitigation of Sclerotinia under Microplastic Toxicity by Nano-Selenium: Redox Balance, Pathogen Suppression, and Transcriptome Reprogramming
Researchers investigated whether selenium nanoparticles could protect rapeseed plants from combined stress caused by microplastics and the fungal pathogen Sclerotinia. The study found that selenium nanoparticles improved photosynthesis, reduced oxidative damage, and showed strong antifungal activity, suggesting they may help mitigate microplastic-induced phytotoxicity and fungal disease in agricultural settings.
Co-exposure to microplastics and soil pollutants significantly exacerbates toxicity to crops: Insights from a global meta and machine-learning analysis
A large-scale analysis of 68 studies found that when microplastics combine with other soil pollutants, the harm to crops is significantly worse than from the other pollutants alone. Microplastics intensified damage to plant growth, increased oxidative stress, and reduced photosynthesis efficiency. Interestingly, microplastics did reduce the amount of other pollutants that accumulated in the crops, but the overall toxic effects on plant health were still greater.
Unveiling the mechanism of micro-and-nano plastic phytotoxicity on terrestrial plants: A comprehensive review of omics approaches.
This comprehensive review examined how micro-and-nano plastics (MNPs) in terrestrial soils damage plant health by inhibiting water and nutrient uptake, reducing seed germination, impairing photosynthesis, and inducing oxidative stress. The review identified key knowledge gaps in understanding MNP phytotoxicity mechanisms and their implications for food security.
Comparative Physiological and Transcriptomics Profiling Provides Integrated Insight into Melatonin Mediated Salt and Copper Stress Tolerance in Selenicereus undatus L.
Researchers studied how the hormone melatonin helps dragon fruit plants tolerate salt and copper stress. When both stressors were combined, plant growth dropped by about 54 percent, but melatonin treatment restored growth by roughly 73 percent. Gene analysis revealed that melatonin activates stress defense pathways and secondary metabolite production, identifying key genes that could be targets for developing more stress-resistant crop varieties.