Papers

20 results
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Article Tier 2

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.

2022 Nanomaterials 32 citations
Article Tier 2

Phenotypic and transcriptomic shifts in roots and leaves of rice under the joint stress from microplastic and arsenic

This study examined how rice plants respond when exposed to both microplastics and heavy metal cadmium at the same time. Researchers found that the combination caused distinct changes in root and leaf gene expression and growth patterns compared to either pollutant alone. The findings suggest that microplastics may alter how plants take up and respond to heavy metals, potentially affecting crop safety.

2023 Journal of Hazardous Materials 44 citations
Article Tier 2

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.

2023 Plant Physiology and Biochemistry 37 citations
Article Tier 2

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.

2026 Nanomaterials
Article Tier 2

Microplastic–Cadmium Interaction in Paddy Soils: An Overlooked Risk Exacerbating Cadmium Contamination in Rice and Microbial Dysbiosis

Scientists found that tiny plastic particles in rice paddies make it easier for the toxic metal cadmium to get into rice plants, leading to more contamination in the rice we eat. When microplastics and cadmium are both present in flooded rice fields, rice plants grow less and absorb significantly more of the harmful metal compared to when only cadmium is present. This matters because cadmium can cause serious health problems like kidney damage and cancer, so this research suggests that plastic pollution may be making our rice less safe to eat.

2026 Plants
Article Tier 2

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.

2023 Environmental Pollution 51 citations
Article Tier 2

Polystyrene microplastics enhanced the toxicity of cadmium to rice seedlings: Evidence from rice growth, physiology, and element metabolism

Polystyrene microplastics combined with cadmium -- a toxic heavy metal -- caused more damage to rice seedlings than either pollutant alone, reducing growth and disrupting the balance of essential nutrients. At higher concentrations, the microplastics significantly increased how much cadmium the plants absorbed into their above-ground parts. This matters for human health because rice is a staple food for billions of people, and microplastic-contaminated farmland could lead to higher heavy metal levels in the food supply.

2024 The Science of The Total Environment 20 citations
Article Tier 2

[Effects of Combined Pollution of Microplastics and Lead on Maize Seed Germination and Growth].

Researchers grew maize seeds in water spiked with lead and three common microplastics (polyethylene, polypropylene, and PVC) to test their combined effects on germination and early growth. All three plastics individually inhibited germination to varying degrees, but when combined with lead the effects were generally antagonistic — meaning the mixture was less toxic than each pollutant alone. These findings are important for understanding real-world soil contamination, where microplastics and heavy metals often co-occur in agricultural environments.

2023 PubMed 1 citations
Article Tier 2

The Effects of Polystyrene Microplastics and Copper Ion Co-Contamination on the Growth of Rice Seedlings

Researchers studied how polystyrene microplastics and copper ions interact when both are present in the water supply of rice seedlings. They found that microplastics actually reduced copper toxicity by absorbing the metal ions, but both pollutants weakened the plant's antioxidant defenses. The study suggests that microplastics and heavy metals interact in complex ways in agricultural systems, with implications for crop health and food safety.

2024 Nanomaterials 6 citations
Article Tier 2

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.

2022 Bulletin of Environmental Contamination and Toxicology 19 citations
Article Tier 2

Microplastic particles increase arsenic toxicity to rice seedlings

Researchers studied how polystyrene and polytetrafluoroethylene microplastics interact with arsenic to affect rice seedling growth. They found that microplastics alone reduced plant biomass and inhibited photosynthesis, while the combination with arsenic at higher concentrations amplified the toxic effects on root activity and cell membranes. The study reveals that microplastic contamination in agricultural settings may worsen the impact of other pollutants on food crops.

2019 Environmental Pollution 444 citations
Article Tier 2

Multiomics Provides Insights into the Impacts of Microplastics on Heavy Metal(Loid) Accumulation in Lettuce under Simulated Acid Precipitation

Researchers found that polyethylene microplastics in soil increased cadmium uptake in lettuce shoots by 51% under acid rain conditions, while decreasing arsenic accumulation by 48%. The microplastics altered soil bacteria and disrupted key metabolic pathways, suggesting that the combination of microplastic pollution and acid rain may change how toxic metals move from soil into our food crops.

2025 ACS Sustainable Chemistry & Engineering 27 citations
Article Tier 2

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.

2024 Ecotoxicology and Environmental Safety 28 citations
Article Tier 2

Effects of Polypropylene Microplastics and Copper Contamination on Rice Seedling Growth

Researchers studied how polypropylene microplastics and copper contamination individually and jointly affect rice seedling growth in hydroponic conditions. The study found that microplastics alone slightly promoted growth, while copper inhibited it, and the combination reduced copper accumulation in seedlings compared to copper alone, suggesting complex interactions between these pollutants in agricultural settings.

2026 Nanomaterials
Article Tier 2

Coexistence of microplastics and heavy metals in soil: Occurrence, transport, key interactions and effect on plants

This review examines how microplastics and heavy metals like lead, cadmium, and arsenic interact in soil, often creating combined toxic effects on plants that differ from either pollutant alone. These interactions are relevant to human health because contaminated crops can transfer both microplastics and heavy metals to people through the food supply.

2024 Environmental Research 57 citations
Review Tier 2

Interactive effects of microplastics and typical pollutants on the soil-plant system: a mini-review

This review examines how microplastics interact with heavy metals and organic pollutants in soil and what that means for plant growth. Researchers found that certain plastic types can increase the availability of toxic metals like cadmium while also affecting how organic chemicals behave in soil. The study suggests that the combined presence of microplastics and other pollutants in agricultural soils may create compounding risks to crop health and food safety.

2024 Circular Agricultural Systems 6 citations
Article Tier 2

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.

2024 The Science of The Total Environment 12 citations
Article Tier 2

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.

2023 The Science of The Total Environment 59 citations
Article Tier 2

Analyzing the impacts of cadmium alone and in co-existence with polypropylene microplastics on wheat growth

Researchers tested how cadmium and polypropylene microplastics individually and together affect wheat seedling growth, and found that their combined presence intensified negative effects on germination and early development. Cadmium alone inhibited root and shoot growth, and microplastics amplified this damage while also altering antioxidant enzyme activity in the plants. The study suggests that the co-occurrence of heavy metals and microplastics in agricultural soil may create compounding stress on crop health.

2023 Frontiers in Plant Science 22 citations
Article Tier 2

Polyvinyl chloride microplastics and drought co-exposure alter rice growth by affecting metabolomics and proteomics

Researchers investigated how PVC microplastics combined with drought stress affect rice growth using advanced protein and metabolite analysis. They found that both stressors individually harmed rice development, but together they caused even greater damage to plant metabolism and growth. The study reveals that microplastic contamination in agricultural soils may worsen the effects of drought on crop production.

2024 The Science of The Total Environment 9 citations