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20 resultsShowing papers similar to Arbuscular mycorrhizal fungi enhance maize cadmium resistance and reduce translocation: Dependence on microplastics concentration
ClearInteractions 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.
Regulation of the Rhizosphere Microenvironment by Arbuscular Mycorrhizal Fungi to Mitigate the Effects of Cadmium Contamination on Perennial Ryegrass (Lolium perenne L.)
Researchers studied how arbuscular mycorrhizal fungi help perennial ryegrass cope with cadmium-contaminated soil by reshaping the microbial community around the plant roots. They found that the fungi increased beneficial bacteria and reduced harmful ones, improving the plant's ability to tolerate heavy metal stress. While focused on cadmium rather than microplastics, the study demonstrates how soil microorganisms can help plants resist environmental contaminants.
The impact of arbuscular mycorrhizal fungi and endophytic bacteria on peanuts under the combined pollution of cadmium and microplastics
Researchers tested whether beneficial soil fungi and bacteria could help peanut plants cope with combined contamination from cadmium and microplastics. They found that the microbial treatment effectively trapped cadmium in the plant roots, preventing it from moving into the shoots and edible parts. The study suggests that harnessing natural soil microbes could be a practical strategy for growing safer food in polluted farmland.
Microplastics modify plant-arbuscular mycorrhizal fungi systems in a Pb-Zn-contaminated soil
Researchers examined how six types of microplastics affect sweet sorghum growth and soil fungal communities in soil contaminated with lead and zinc. They found that microplastics generally did not inhibit plant growth and in some cases promoted it, but they increased the uptake of heavy metals into plant shoots. The study suggests that microplastics may worsen the risks of heavy metal contamination in agricultural soils by enhancing metal accumulation in crops.
Effect of microplastics on rhizosphere and arbuscular mycorrhizal fungi of Zea mays
Researchers exposed maize to two types of polyethylene microplastics (0.1% and 0.5% w/w) in glasshouse conditions for seven weeks and measured effects on rhizosphere fungi and arbuscular mycorrhizal fungi. Mycorrhizal root colonization, spore abundance, and fungal diversity were significantly reduced in a concentration-dependent manner, potentially impairing plant nutrient uptake.
Nitrogen fertilization and arbuscular mycorrhizal fungi do not mitigate the adverse effects of soil contamination with polypropylene microfibers on maize growth
Researchers tested whether adding nitrogen fertilizer or beneficial soil fungi could offset the negative effects of polypropylene microfibers on maize plants. They found that neither nitrogen supplementation nor mycorrhizal fungi helped the plants overcome the growth reductions caused by microplastic contamination. The study suggests that microplastics harm crops through mechanisms beyond simple nutrient limitation, and that conventional farming practices may not be sufficient to counteract microplastic damage to soil health.
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.
Phytotoxic effects of polyethylene microplastics combined with cadmium on the photosynthetic performance of maize (Zea mays L.)
Researchers studied how polyethylene microplastics combined with cadmium, a toxic heavy metal, affect photosynthesis in two varieties of maize. They found that microplastics generally worsened cadmium's negative effects on the plants' ability to capture light energy and convert it to growth, though responses differed between maize varieties. The study suggests that microplastic pollution in agricultural soils could amplify the harm caused by heavy metal contamination to crop productivity.
Plant community responses to polypropylene microplastic and cadmium co-exposure: Implications for mycorrhizal strategies in a coastal wetland
Researchers conducted a mesocosm experiment to assess how polypropylene microplastics and cadmium interact in their effects on coastal wetland plant communities. They found that the combination of microplastics and heavy metals altered soil properties, plant community composition, and root traits in species-specific ways. The study suggests that mycorrhizal strategies play a role in how different plant species respond to this combined contamination.
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.
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.
Combined effects of heavy metals and microplastics on maize grown in acid and alkaline soils inoculated with plant growth promoting rhizobacteria
Researchers grew maize in soils contaminated with combinations of biodegradable (PLA) and conventional (LDPE) microplastics and heavy metals (Pb, Cd, Zn, Ni) in both acid and alkaline soils, with and without plant growth-promoting bacteria. The combined microplastic-heavy metal contamination reduced growth more than either stressor alone, while bacterial inoculants partially mitigated the damage in alkaline soils.
Effects of polyurethane microplastics combined with cadmium on maize growth and cadmium accumulation under different long-term fertilisation histories
Researchers examined how polyurethane microplastics combined with cadmium affect maize growth in soils with different long-term fertilization histories. They found that the combination of microplastics and cadmium had varying effects depending on the type of fertilizer previously used, with organic-inorganic fertilized soils showing the most pronounced changes in plant growth and cadmium uptake. The study highlights that a soil's fertilization history plays an important role in how crops respond to microplastic and heavy metal co-contamination.
Rhizosphere microbiome metagenomics in PGPR-mediated alleviation of combined stress from polypropylene microplastics and Cd in hybrid Pennisetum
Researchers found that beneficial soil bacteria (PGPR) can help plants cope with the combined stress of polypropylene microplastics and the toxic heavy metal cadmium. The bacteria improved plant growth by 8-42% under contaminated conditions by reshaping the microbial community around plant roots. This study offers a potential strategy for maintaining crop productivity in farmland contaminated with both microplastics and heavy metals.
Potential Effects of Microplastic on Arbuscular Mycorrhizal Fungi
This review examines how microplastics in soil affect arbuscular mycorrhizal fungi, finding evidence that microplastics can alter fungal colonization of plant roots, spore production, and the broader soil microbiome, with cascading effects on plant nutrient uptake.
Microplastics promoted cadmium accumulation in maize plants by improving active cadmium and amino acid synthesis
Researchers examined how polystyrene and polypropylene microplastics interact with cadmium contamination to affect soil chemistry and cadmium uptake in maize plants across two soil types. The study found that microplastics generally promoted cadmium accumulation in maize by reducing soil pH and increasing cadmium bioavailability, with effects varying by particle size depending on the soil type.
Beneficial microbial consortia effectively alleviated plant stress caused by the synergistic toxicity of microplastics and cadmium
Researchers found that combined pollution from microplastics (PVC) and the heavy metal cadmium creates a toxic effect in soil that is worse than either pollutant alone. However, applying beneficial bacteria to contaminated soil helped plants grow better and restored soil nutrients. These findings suggest that probiotic-like bacteria could help repair farmland damaged by microplastic and heavy metal pollution.
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.
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.