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61,005 resultsShowing papers similar to Effect of cadmium on polystyrene transport in parsley roots planted in a split-root system and assessment of the combined toxic effects
ClearAssessing heterogeneous pollution risks from polystyrene micro(nano)plastics and cadmium to physiology and biochemistry in parsley via a split-root system
Researchers used a split-root system to study how polystyrene micro- and nanoplastics interact with cadmium to affect parsley growth under conditions mimicking real-world uneven soil contamination. They found that cadmium was the primary driver of root damage and oxidative stress, but these effects remained localized to the contaminated side, suggesting the plant can isolate damage. Excessive nanoplastics combined with cadmium on both sides of the root system triggered defense mechanisms that altered the plant's production of beneficial bioactive compounds.
Polystyrene nanoplastics distinctly impact cadmium uptake and toxicity in Arabidopsis thaliana
In a study using the model plant Arabidopsis, polystyrene nanoplastics increased the uptake and accumulation of the toxic heavy metal cadmium in plant roots. The combined stress of nanoplastics and cadmium caused worse oxidative damage and growth problems than either pollutant alone. This is concerning because it means microplastics in agricultural soil could help toxic metals get into crops more easily, potentially increasing human exposure through food.
Combined effects of microplastics and cadmium on the soil-plant system: Phytotoxicity, Cd accumulation and microbial activity
Researchers tested how different microplastic types combined with cadmium affect plant growth and soil health. Aged and biodegradable microplastics increased cadmium uptake in mustard greens more than fresh conventional plastics did. The study also found that microplastics altered soil microbial activity, suggesting that plastic pollution in farmland could change how plants absorb toxic metals from contaminated soil.
Potential synergistic effect of polystyrene nanoplastics on cadmium toxicity to Sedum alfredii Hance
**TLDR:** Scientists found that tiny plastic particles (nanoplastics) make the toxic metal cadmium even more dangerous when both pollutants are present in soil together. Plants exposed to both nanoplastics and cadmium absorbed much more of the poisonous cadmium than plants exposed to cadmium alone. This matters because these pollutants are increasingly common in our environment, and if plants take up more toxins, they could end up in our food supply.
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.
Toxicity and fate of cadmium in hydroponically cultivated lettuce (Lactuca sativa L.) influenced by microplastics
Researchers found that PVC microplastics changed how lettuce plants absorb the toxic heavy metal cadmium when both were present in the growing water. The microplastics initially absorbed cadmium from the water but then altered the plant's uptake patterns, affecting where the metal accumulated in roots versus leaves. This matters because microplastics in agricultural water could change how toxic metals end up in the edible parts of vegetables people eat.
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.
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.
Do polystyrene nanoplastics affect the toxicity of cadmium to wheat (Triticum aestivum L.)?
Researchers investigated whether polystyrene nanoplastics affect the toxicity of cadmium to wheat plants. The study found that nanoplastics could alter how cadmium interacts with wheat, potentially modifying the uptake and toxic effects of the heavy metal, suggesting that the co-occurrence of nanoplastics and heavy metals in agricultural soils may create complex interactions affecting crop health.
Research on the Mechanisms of Plant Enrichment and Detoxification of Cadmium
This review examines how plants absorb, transport, and accumulate the heavy metal cadmium from contaminated soil, as well as the detoxification mechanisms plants use to cope with cadmium stress. While focused on cadmium rather than microplastics, the research is relevant because microplastics in soil can alter cadmium mobility and uptake by crops, potentially affecting food safety.
Mechanistic Insights into the Effects of Aged Polystyrene Nanoplastics on the Toxicity of Cadmium to Triticum Aestivum
This study examined how aged polystyrene nanoplastics interact with the heavy metal cadmium to affect wheat plants. Researchers found that the aging process increases the nanoplastics' ability to absorb cadmium, which can alter how the metal is taken up by crops, raising questions about combined contaminant exposure through the food supply.
Unveiling the impacts of microplastics on cadmium transfer in the soil-plant-human system: A review
A meta-analysis found that microplastics significantly increase soil cadmium bioavailability by 6.9% and cadmium accumulation in plant shoots by 9.3%, through both direct surface adsorption and indirect modification of soil pH and dissolved organic carbon. This enhanced cadmium mobility through the soil-plant-human food chain amplifies health risks, as co-ingestion of microplastics and cadmium increases cadmium bioaccessibility and tissue damage.
Presence of polystyrene microplastics in Cd contaminated water promotes Cd removal by nano zero-valent iron and ryegrass (Lolium Perenne L.)
Researchers investigated how polystyrene microplastics affect cadmium removal from water by ryegrass combined with nano zero-valent iron variants, finding that microplastics facilitated uptake of both microplastics and cadmium into plant roots in some treatment combinations. Plants that internalized microplastics contained more cadmium across all nano zero-valent iron treatments, suggesting microplastics can enhance cadmium accumulation in phytoremediation systems.
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 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.
Mechanistic insights into polystyrene micro/nanoplastics-facilitated cadmium trophic transfer and aggravated toxicity along a lettuce-snail terrestrial food chain
Researchers investigated how polystyrene micro- and nanoplastics affect cadmium transfer through a lettuce-snail food chain and found that the plastics significantly increased cadmium availability in soil and its accumulation in lettuce leaves. Co-exposure caused amplified toxicity in snails, including greater oxidative stress, intestinal damage, and gut barrier dysfunction, demonstrating that microplastics can worsen the effects of heavy metal contamination in terrestrial food chains.
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.
Microplastics in Soil Increase Cadmium Toxicity: Implications for Plant Growth and Nutrient Imbalance
A pot experiment showed that adding polyethylene microplastics to soil contaminated with cadmium made the toxic metal more available to plants, increasing cadmium uptake in both roots and shoots. The combined exposure reduced crop yields by up to 38% and disrupted the plant's ability to absorb essential nutrients like nitrogen and phosphorus. This research is important for food safety because it shows microplastics in farm soil can make heavy metal contamination worse, potentially increasing toxic metal levels in crops people eat.
Assessing 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.
Ecotoxicological Impacts of Microplastics and Cadmium Pollution on Wheat Seedlings
Researchers investigated the combined effects of polyethylene microplastics and cadmium on wheat seedlings and found that microplastics generally reduced the antioxidant enzyme response that cadmium alone would trigger. The study also found that microplastics altered cadmium bioaccumulation patterns, increasing cadmium uptake in roots at low concentrations but decreasing it at higher levels, suggesting complex interactions between these co-occurring pollutants.
Regulation strategies of microplastics with different particle sizes on cadmium migration processes and toxicity in soil-pakchoi system
Researchers tested how polystyrene microplastics of different sizes (0.2, 2, and 20 micrometers) affect cadmium movement from soil into pakchoi, a leafy vegetable. Larger microplastics actually reduced cadmium uptake by the plant by up to 47%, while the smallest particles had no effect. This study shows that microplastic size matters for food safety, as different-sized particles can either increase or decrease how much toxic metal ends up in the crops we eat.
Microplastic fragments in sand alleviate the negative effects of heavy metals on plants
A mesocosm experiment found that microplastic fragments in substrate unexpectedly reduced cadmium uptake by plants despite increasing the metal's bioavailability in the soil — suggesting microplastics alter the chemistry of how plants access heavy metals through mechanisms not related to pH or soil moisture. The non-hyperaccumulator Arabidopsis thaliana showed increased biomass when exposed to both cadmium and microplastics together compared to either stressor alone. These counterintuitive interactions highlight how microplastics can complicate predicting heavy metal toxicity in contaminated soils.
Antagonistic effect of polystyrene nanoplastics on cadmium toxicity to maize (Zea mays L.)
Researchers studied the combined effects of polystyrene nanoplastics and cadmium on maize plants and found that nanoplastics actually reduced cadmium toxicity. The study suggests that nanoplastics can adsorb cadmium and limit its uptake by plant roots, though both contaminants individually reduced plant growth and triggered oxidative stress responses.