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20 resultsShowing papers similar to Combined effects of microplastics and cadmium on the soil-plant system: Phytotoxicity, Cd accumulation and microbial activity
ClearAssessing stress responses in potherb mustard (Brassica juncea var. multiceps) exposed to a synergy of microplastics and cadmium: Insights from physiology, oxidative damage, and metabolomics
Researchers found that microplastics in soil increased the amount of cadmium, a toxic heavy metal, that mustard green plants absorbed, while also reducing crop yields and photosynthesis. Higher concentrations of microplastics made more cadmium available in the soil, leading to greater accumulation of the metal in the plants. This raises food safety concerns because vegetables grown in microplastic-contaminated soil could contain higher levels of toxic metals that are harmful to human health.
Microplastics alter cadmium accumulation in different soil-plant systems: Revealing the crucial roles of soil bacteria and metabolism
A study found that microplastics in soil can change how much cadmium, a toxic heavy metal, is absorbed by food crops, with the effects varying depending on soil type and the amount of plastic present. By altering soil chemistry and bacterial communities, microplastics reshape how pollutants move through farmland and into the food we eat.
Coupled Effects of Polyethylene Microplastics and Cadmium on Soil–Plant Systems: Impact on Soil Properties and Cadmium Uptake in Lettuce
Researchers studied how polyethylene microplastics interact with cadmium contamination in soil and its effects on lettuce growth. The study found that microplastics combined with cadmium significantly decreased soil quality and that microplastics can alter cadmium uptake in plants, suggesting that co-contamination of agricultural soils with both pollutants may pose compounded risks to food crop safety.
Unveiling the impacts of biodegradable microplastics on cadmium toxicity, translocation, transformation, and metabolome in lettuce
Researchers studied how biodegradable microplastics interact with cadmium contamination in lettuce and found that the combination worsened the toxic effects on plant growth compared to cadmium alone. The biodegradable plastics increased cadmium accumulation in the edible parts of the lettuce and altered how the metal was distributed within plant cells. The findings raise concerns about using biodegradable plastic mulch in soils already contaminated with heavy metals, as it may increase the amount of toxic metals that end up in food crops.
Effects of microplastics and cadmium co-contamination on soil properties, maize (Zea mays L.) growth characteristics, and cadmium accumulation in maize in loessial soil-maize systems
Researchers studied the combined effects of polyethylene microplastics and cadmium on soil properties and maize growth through pot experiments. They found that microplastics altered soil nutrient availability and, depending on size and concentration, either increased or decreased cadmium uptake by the plants. The study suggests that microplastic contamination in agricultural soils can change how crops absorb toxic heavy metals, with potential implications for food safety.
Effect of biodegradable microplastics and Cd co-pollution on Cd bioavailability and plastisphere in soil-plant system
Researchers examined how biodegradable microplastics interact with cadmium contamination in agricultural soil where lettuce is grown. They found that the biodegradable plastics indirectly increased cadmium availability to plants by lowering soil pH and changing soil chemistry. The study suggests that even eco-friendly biodegradable plastics may worsen heavy metal contamination risks in farming soils.
Effects of combined microplastic and cadmium pollution on sorghum growth, Cd accumulation, and rhizosphere microbial functions
Researchers examined how different types and sizes of microplastics interact with cadmium, a toxic heavy metal, to affect sorghum growth and soil microbes. They found that the combined pollution generally increased plant stress and cadmium uptake, with effects varying by plastic type, particle size, and concentration. The study also revealed that the pollution mixture significantly altered soil bacterial communities and key metabolic pathways involved in nutrient cycling.
Effects of Co-Contamination of Microplastics and Cd on Plant Growth and Cd Accumulation
Researchers investigated how two types of microplastics, high-density polyethylene and polystyrene, at various concentrations affect cadmium uptake and toxicity in maize plants grown in agricultural soil. The study found that while polyethylene alone had no significant effect, polystyrene at higher doses altered cadmium accumulation patterns, suggesting that different plastic types may interact differently with heavy metals in soil.
Effects of microplastics and cadmium on the soil-wheat system as single and combined contaminants
Researchers found that polyethylene and polypropylene microplastics combined with cadmium reduced wheat chlorophyll concentrations and affected soil-plant systems differently depending on pollution levels, revealing complex interaction effects between co-contaminants.
Effects of polyethylene microplastics on cadmium accumulation in Solanum nigrum L.: A study involving microbial communities and metabolomics profiles
This study found that polyethylene microplastics in soil reduced the ability of a plant known for cleaning up cadmium contamination to absorb the toxic metal. The microplastics changed the soil's microbial community and altered the plant's metabolism in ways that disrupted its natural heavy metal uptake process. This is important because it suggests microplastic pollution in farmland could interfere with natural and engineered soil cleanup strategies for heavy metals.
[Effects of Microplastics Coexisting in Vegetable Soil on the Change of Cadmium Bioavailability].
Researchers investigated the effects of biodegradable microplastics co-occurring with cadmium in vegetable soil through a 60-day pot experiment with lettuce, examining how the combined contamination alters cadmium bioavailability and uptake relative to cadmium-only or microplastic-only conditions.
Interactive effects of microplastics and cadmium on soil properties, microbial communities and bok choy growth
Researchers grew bok choy in soil amended with polyethylene microplastics (0.5-2% by weight) and cadmium to assess interactive effects on soil properties, microbial communities, and plant growth. Combined exposure produced distinct synergistic and antagonistic interactions compared to either pollutant alone, altering soil enzyme activity, bacterial diversity, and plant metal uptake.
Effects of microplastics on cadmium accumulation by rice and arbuscular mycorrhizal fungal communities in cadmium-contaminated soil
Researchers studied how three types of microplastics interact with cadmium contamination in rice paddies, examining effects on plant growth, metal uptake, and soil fungal communities. They found that while microplastics generally increased cadmium availability in soil, they actually decreased cadmium accumulation in rice tissues. Notably, biodegradable polylactic acid microplastics caused more harm to plant growth and soil communities than conventional plastic types, challenging the assumption that biodegradable plastics are always safer.
Plant Cadmium Toxicity and Biomarkers Are Differentially Modulated by Degradable and Nondegradable Microplastics in Soil
Researchers compared how degradable (polylactic acid) and nondegradable (polypropylene) microplastics affect cadmium toxicity in plants grown in contaminated soil. They found that polypropylene caused greater root growth inhibition, while polylactic acid led to higher levels of cellular stress markers at certain concentrations. The study reveals that both types of microplastics can alter soil chemistry and increase the uptake of heavy metals by crops, but through different mechanisms.
Effects of naturally aged microplastics on arsenic and cadmium accumulation in lettuce: Insights into rhizosphere microecology
Researchers studied how naturally aged microplastics in soil affect the uptake of arsenic and cadmium by lettuce. At low concentrations, microplastics actually reduced heavy metal absorption and helped plant growth, but at higher concentrations they increased the amount of toxic metals taken up by the lettuce. This means microplastic-contaminated farmland could lead to higher levels of heavy metals in salad greens and other vegetables that people eat.
Effects of polyethylene microplastics and cadmium co-contamination on the soybean-soil system: Integrated metabolic and rhizosphere microbial mechanisms
Researchers investigated how polyethylene microplastics and cadmium interact in soybean-soil systems and found that specific microplastic concentrations enhanced cadmium accumulation in roots under moderate contamination. Higher microplastic levels reduced beneficial soil bacteria like Sphingomonas and Bradyrhizobium and suppressed nitrogen-cycling functions. The study demonstrates that microplastics fundamentally alter heavy metal behavior through interconnected plant-metabolite-microbe interactions in agricultural soils.
Interactions of microplastics and cadmium on plant growth and arbuscular mycorrhizal fungal communities in an agricultural soil
Researchers studied how polyethylene and polylactic acid microplastics interact with cadmium contamination to affect maize growth and beneficial soil fungi in agricultural soil. While polyethylene showed minimal direct plant toxicity, high doses of polylactic acid significantly reduced maize biomass, and both plastic types altered the communities of root-associated fungi. The study suggests that co-contamination of microplastics and heavy metals in farmland can jointly disrupt plant health and soil ecosystems.
Behaviour, ecological impacts of microplastics and cadmium on soil systems: A systematic review
This systematic review examines how microplastics and cadmium interact in soil, finding that they can make each other more harmful. Microplastics can carry toxic cadmium further through soil and increase its uptake by plants, which could mean more heavy metal contamination in the food we eat.
Polylactic acid microplastics and earthworms drive cadmium bioaccumulation and toxicity in the soil–radish health community
Researchers examined how polylactic acid microplastics combined with earthworm activity affect cadmium uptake and toxicity in radish plants grown in contaminated soil. The combined treatment significantly increased cadmium accumulation in both roots and leaves while reducing plant biomass by approximately 75% compared to cadmium exposure alone. The findings suggest that biodegradable microplastics and soil fauna together can amplify heavy metal contamination risks in food crops.
Microplastics may increase the environmental risks of Cd via promoting Cd uptake by plants: A meta-analysis
This meta-analysis found that microplastics in soil can increase how much cadmium (a toxic heavy metal) plants absorb. This is concerning because it means microplastic pollution could make our food crops more contaminated with heavy metals, adding another health risk on top of the plastics themselves.