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61,005 resultsShowing papers similar to Carrier effects of microplastics in a hydroponic system: Amplifying diethyl phthalate toxicity and endophytic dysbiosis in Rye (Secale cereale L.) with implications for aquatic ecosystems
ClearDynamics of accumulation and multilevel biological effects of various alkyl chain phthalates and microplastics in rye: New insights into individual, physiological, and molecular perspectives
Researchers studied the combined toxicity of three phthalate esters with different alkyl chain lengths and polystyrene microplastics on rye plants, finding that MP presence amplified the phytotoxicity of longer-chain phthalates. The results demonstrate that microplastics can act as carriers that enhance the uptake and toxicity of co-occurring chemical contaminants in crops.
Toxicity orchestrated by alkyl chain length of plasticizers and exposure time: Transfer mechanisms of microplastic-plasticizer co-contamination across the full life cycle of rye
Researchers studied how polystyrene microplastics combined with phthalate plasticizers of different chain lengths affect rye plants through both short-term and long-term experiments. Short-chain phthalates caused the strongest toxicity in hydroponic conditions, while long-chain DEHP combined with microplastics produced the greatest long-term damage, reducing grain weight by 38% and causing microplastic accumulation in seeds.
Revealing the bioavailability and phytotoxicity of different particle size microplastics on diethyl phthalate (DEP) in rye (Secale cereale L.)
Researchers studied how microplastics of different sizes interact with a common plasticizer chemical (DEP) in rye plants. Smaller nanoplastics were able to enter and move through the plant, disrupting leaf cells, while the plasticizer chemical increased the plant's uptake of nanoplastics. This suggests that microplastics and the chemicals they carry can work together to contaminate food crops, with smaller particles posing the greatest risk.
The trojan horse in agricultural water: How microbe-mediated interactions of nanoplastics and flame retardants drive multiscale toxicity and seed transmission in rye
Researchers investigated how nanoplastics and flame retardants interact when co-transported through agricultural irrigation water, using rye as a model crop. The study found that nanoplastics formed stable complexes with flame retardants via van der Waals forces, which accumulated in roots, translocated to seeds, caused severe oxidative damage, and reduced photosynthesis by nearly 65% through synergistic toxic effects.
Polystyrene particles combined with di-butyl phthalate cause significant decrease in photosynthesis and red lettuce quality
Researchers grew red lettuce hydroponically with polystyrene microplastics and dibutyl phthalate, finding that microplastics reduced the bioavailability of the plasticizer while simultaneously decreasing photosynthetic efficiency and chlorophyll content.
Polystyrene microplastics disturb the redox homeostasis, carbohydrate metabolism and phytohormone regulatory network in barley
Researchers exposed barley plants to polystyrene microplastics and found the particles accumulated in roots and stunted rootlet development by disrupting redox balance, carbohydrate metabolism enzymes, and phytohormone signaling pathways.
Freeze–ThawCycles Accelerate Plastic PollutionInvasion in Agriculture: Trojan Horse Effect of Microplastic–PlasticizerContamination Revealed in Rye via Computational Chemistry and Multiomics
Using hydroponic rye as a model, researchers showed that freeze-thaw cycles dramatically increased diethyl phthalate uptake into plants in the presence of microplastics, with the plasticizer boosting microplastic surface charge and facilitating plant entry. Transcriptomic and computational analyses revealed disruption of gene networks governing growth and stress response.
Revealing the metabolomics and biometrics underlying phytotoxicity mechanisms for polystyrene nanoplastics and dibutyl phthalate in dandelion (Taraxacum officinale)
Researchers studied how polystyrene nanoplastics and a common plasticizer called dibutyl phthalate affect dandelion plants, both individually and in combination. They found that combined exposure significantly impaired plant growth, triggered oxidative stress, and disrupted key metabolic pathways more severely than either pollutant alone. The study suggests that the co-occurrence of nanoplastics and plastic additives in soil may pose compounding risks to plant health.
Effect of polyethylene particles on dibutyl phthalate toxicity in lettuce (Lactuca sativa L.).
Polyethylene microplastic fragments in soil reduced the uptake of the plasticizer chemical dibutyl phthalate (DBP) into lettuce roots but worsened its inhibitory effects on root growth. The complex interactions between microplastics and co-occurring chemical contaminants like phthalates can alter toxicity in unexpected ways, affecting both plant growth and the safety of food crops.
Effects of microplastics and combined pollution of polystyrene and di-n-octyl phthalate on photosynthesis of cucumber (Cucumis sativus L.)
Researchers studied how different types of microplastics and a common plastic plasticizer affect photosynthesis in cucumber plants. They found that the combination of polystyrene microplastics and the plasticizer had the most severe impact, reducing chlorophyll production and damaging the photosynthetic machinery. The study suggests that microplastic pollution in agricultural soils, especially combined with chemical additives that leach from plastics, could meaningfully impair crop growth.
Polystyrene microplastics facilitate the chemical journey of phthalates through vegetable and aggravate phytotoxicity
This study showed that polystyrene microplastics in soil can absorb and carry phthalates (harmful chemicals used in plastics) into vegetable crops, increasing the amount of these toxic chemicals in the edible parts of the plants. The combination of microplastics and phthalates together was more damaging to plant health than either pollutant alone. This is concerning for human health because it means microplastics could be increasing our exposure to toxic chemicals through the vegetables we eat.
Combined toxicity of microplastic fibers and dibutyl phthalate on algae: Synergistic or antagonistic?
This study found that when microplastic fibers and the plasticizer DBP (a chemical commonly added to plastics) are combined, they cause more damage to freshwater algae than either pollutant alone. The combination produced a synergistic toxic effect, meaning the harm was greater than simply adding the effects of each pollutant together. Since both microplastic fibers and plasticizers are widespread in freshwater environments, their combined presence could threaten the base of aquatic food chains.
Potential impacts of polyethylene microplastics and heavy metals on Bidens pilosa L. growth: Shifts in root-associated endophyte microbial communities
Researchers found that polyethylene microplastics in soil contaminated with heavy metals significantly stunted plant growth, reducing root length by nearly 49% and increasing harmful reactive oxygen species in plant tissues. The microplastics also shifted the soil's microbial communities toward stress-resistant species, demonstrating how plastic pollution can disrupt the soil ecosystem that supports our food supply.
Combined effect of polystyrene microplastics and dibutyl phthalate on the microalgae Chlorella pyrenoidosa
Researchers investigated the combined toxic effects of polystyrene microplastics and the plasticizer dibutyl phthalate on the microalga Chlorella pyrenoidosa. They found that smaller microplastics were more toxic than larger ones, and the interaction between microplastics and the plasticizer ranged from additive to antagonistic depending on concentration. At higher microplastic levels, the particles actually reduced the bioavailability of the plasticizer, partially offsetting its toxic effects.
PET Microparticles Has Severe Toxic Effects to Arabidopsis thaliana in Hydroponic Cultivation
Researchers exposed Arabidopsis thaliana, peas, and maize to PET microparticles in hydroponic cultivation, finding that bacteria-sized PET particles caused severe toxic effects on plant growth, providing evidence that microplastic contamination poses a significant threat to agricultural crops even in the absence of soil or soil microbiota interactions.
Rhizosphere nutrient dynamics and physiological responses of Oryza sativa L. under polyethylene terephthalate microplastic stress
Researchers exposed rice (Oryza sativa) to PET microplastics and found that the particles were absorbed by roots and translocated to aerial tissues, significantly inhibiting chlorophyll production, inducing oxidative stress (with malondialdehyde increasing by 175% at higher doses), and disrupting nitrogen, carbon, and phosphorus cycling genes in the rhizosphere.
Freeze–Thaw Cycles Accelerate Plastic Pollution Invasion in Agriculture: Trojan Horse Effect of Microplastic–Plasticizer Contamination Revealed in Rye via Computational Chemistry and Multiomics
Researchers found that climate change-related freeze-thaw cycles significantly worsen the combined toxicity of the plasticizer DEP and microplastics in rye plants. Freeze-thaw conditions increased microplastic uptake into plants by altering particle surface charge, while DEP bound to key plant proteins and inhibited photosynthesis. The study reveals that microplastics simultaneously acted as carriers for the plasticizer while reshaping root microbiomes to favor pollutant-degrading bacteria.
Effects of polyethylene microplastic on the phytotoxicity of di-n-butyl phthalate in lettuce (Lactuca sativa L. var. ramosa Hort)
Researchers investigated how polyethylene microplastics interact with the chemical pollutant di-n-butyl phthalate in lettuce and found that microplastics altered the plant's response to the toxin. The combination reduced photosynthesis, lowered chlorophyll content, and disrupted the plant's antioxidant defenses. The study highlights that microplastics in soil can change how plants respond to other contaminants, potentially compounding environmental harm.
Reprogramming of microbial community in barley root endosphere and rhizosphere soil by polystyrene plastics with different particle sizes
Barley plants grown in polystyrene microplastic- and nanoplastic-contaminated soil showed altered microbial communities in both the root endosphere and rhizosphere, suggesting plastic pollution can reshape plant-associated microbiomes. These shifts could have downstream consequences for plant health and soil nutrient cycling.
Impact of different microplastics polymers and albendazole and pyraclostrobin mix on arugula (Eruca vesicaria) physiology and growth
Researchers exposed arugula plants to conventional (LDPE) and biodegradable (PBAT) microplastics combined with a pesticide-antiparasitic mixture, and found that only the conventional plastic significantly amplified the chemicals' toxicity, reducing plant growth more than either pollutant alone. This shows that conventional microplastics can act as carriers that worsen the effects of agricultural chemicals in soil.
The combined toxicity of polystyrene microplastic and arsenate: From the view of biochemical process in wheat seedlings (Triticum aestivum L.)
Researchers found that when wheat seedlings were exposed to both arsenic and polystyrene microplastics together, the microplastics reduced arsenic uptake in roots but dramatically increased arsenic transport to the above-ground parts of the plant — by up to 1,000%. This combined exposure caused more oxidative stress and damage to the plants' photosynthetic systems than arsenic alone. The findings suggest that microplastics in contaminated soil could increase how much toxic metal ends up in the edible parts of crops.
Effects of polyethylene microplastics and heavy metals on soil-plant microbial dynamics
This study examined how polyethylene microplastics interact with heavy metals in soil and found that microplastics significantly reduced plant growth while altering soil enzyme activity and microbial communities. The combination of microplastics and heavy metals disrupted nutrient cycling in the soil in ways that were different from either pollutant alone. These findings suggest that microplastic contamination in agricultural soil could affect crop nutrition and food production.
Effects of microplastics on growth and metabolism of rice (Oryza sativa L.)
Researchers found that polystyrene and polyvinyl chloride microplastics inhibited rice growth and disrupted ionic homeostasis and antioxidant metabolism in a dose-dependent manner, with PVC microplastics causing more severe effects than polystyrene.
Evaluation of individual and combined effects of microplastics and naphthalene on aquatic sediment: Disturbance of carbon and microbial dynamics
This study examined how biodegradable polylactic acid microplastics interact with naphthalene, a common pollutant, in aquatic sediments. When combined, the two pollutants significantly increased plant stress and reduced the ability of soil microbes to break down the naphthalene. The findings show that even biodegradable microplastics can worsen the effects of other pollutants in the environment, potentially affecting water quality and the food chain.