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61,005 resultsShowing papers similar to The impact of arbuscular mycorrhizal fungi and endophytic bacteria on peanuts under the combined pollution of cadmium and microplastics
ClearArbuscular mycorrhizal fungi enhance maize cadmium resistance and reduce translocation: Dependence on microplastics concentration
Researchers investigated how beneficial soil fungi called arbuscular mycorrhizal fungi can help maize plants resist cadmium toxicity in soils contaminated with both microplastics and heavy metals. They found that high concentrations of polyethylene microplastics worsened cadmium toxicity, but inoculation with mycorrhizal fungi significantly improved plant growth, nutrient uptake, and photosynthesis. The study suggests that these fungi could serve as a biological tool for managing crop health in soils with combined microplastic and heavy metal contamination.
Plant growth-promoting bacteria improve the Cd phytoremediation efficiency of soils contaminated with PE–Cd complex pollution by influencing the rhizosphere microbiome of sorghum
Researchers found that adding beneficial bacteria to soil contaminated with both polyethylene microplastics and the toxic metal cadmium helped sorghum plants grow larger and absorb more cadmium from the soil, improving cleanup potential. This approach matters for food safety because using plants and bacteria to remove combined microplastic-heavy metal pollution from farmland could reduce the amount of these contaminants that enter the food supply.
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.
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.
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.
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.
Screening of plant growth-promoting rhizobacteria helps alleviate the joint toxicity of PVC+Cd pollution in sorghum plants
Researchers isolated soil bacteria that promote plant growth and showed they can partially offset the combined toxicity of PVC microplastics and cadmium in sorghum, restoring soil nutrient availability and shifting rhizosphere bacterial communities in ways that support nitrogen and phosphorus cycling.
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.
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.
Kaolinite reduced Cd accumulation in peanut and remediate soil contaminated with both microplastics and cadmium
Kaolinite amendments (at 1% and 2%) were found to reduce cadmium accumulation in peanuts and immobilize both cadmium and microplastics in contaminated soil, suggesting kaolinite as a potential soil amendment for remediating co-contamination by MPs and heavy metals.
Plant growth-promoting bacteria modulate gene expression and induce antioxidant tolerance to alleviate synergistic toxicity from combined microplastic and Cd pollution in sorghum
Scientists found that a beneficial soil bacterium (Bacillus sp. SL-413) can help protect sorghum plants from the combined toxic effects of microplastics and cadmium, a heavy metal. The bacterium boosted plant growth, reduced harmful reactive oxygen species by up to 27%, and reactivated genes that the pollution had shut down. This research points to a nature-based solution for helping food crops survive in microplastic-contaminated soil.
Inhibition of Peanut (Arachis hypogaea L.) Growth, Development, and Promotion of Root Nodulation Including Plant Nitrogen Uptake Triggered by Polyvinyl Chloride Microplastics
Researchers investigated the impact of polyvinyl chloride (PVC) microplastics at four dosages (0.5%, 1.5%, 2.5%, and 3.5%) on the growth, development, root nodulation, and nitrogen uptake of peanut (Arachis hypogaea L.) plants. They found that PVC microplastics inhibited plant growth and development while paradoxically promoting root nodulation, suggesting complex soil-plant-microbiome interactions that could have implications for nitrogen cycling and food security in contaminated agricultural soils.
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.
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.
[Plant Growth-promoting Bacteria Alleviate the Toxic Effects of Soil Microplastics and Heavy Metal Complex Pollution in Hybrid pennisetum].
Researchers investigated whether plant growth-promoting bacteria (Enterobacter and Bacillus spp.) could alleviate combined polypropylene microplastic and cadmium stress on Hybrid pennisetum in pot experiments, finding that inoculation improved plant growth and soil nutrient availability while shifting rhizosphere bacterial communities toward more beneficial compositions.
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.
Mitigating microplastic stress on peanuts: The role of biochar-based synthetic community in the preservation of soil physicochemical properties and microbial diversity
Researchers found that tire-derived microplastics in soil harmed peanut plant growth and disrupted soil bacteria, but adding biochar with a specially designed bacterial community helped counteract the damage. The biochar treatment restored soil health, improved microbial diversity, and boosted peanut growth even in microplastic-contaminated soil. This approach could help protect food crops from the harmful effects of microplastic pollution in agricultural land.
Polyvinyl chloride and polybutylene adipate microplastics affect peanut and rhizobium symbiosis by interfering with multiple metabolic pathways
Researchers found that both PVC and biodegradable PBAT microplastics significantly disrupted the symbiotic relationship between peanut plants and nitrogen-fixing rhizobium bacteria. The microplastics reduced nodule formation by 33 to 100 percent and altered metabolic pathways involved in the symbiosis. The study suggests that microplastic contamination in agricultural soils could impair the natural nitrogen fixation process that legume crops depend on for healthy growth.
Polyethylene Microplastics Inhibit Peanut Nodulation via Metabolic and Transcriptional Pathways
Scientists found that tiny plastic pieces from agricultural plastic films prevent peanut plants from forming healthy partnerships with beneficial soil bacteria that help them grow. These microplastics disrupt the plant's natural processes and block the formation of root nodules, which are essential for peanuts to get nitrogen from soil bacteria. This matters because it shows how plastic pollution in farmland could reduce crop yields and food production, potentially affecting our food supply.
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.
Accelerating phytoremediation of degraded agricultural soils utilizing rhizobacteria and endophytes: a review
This review examines how beneficial soil bacteria and fungi can help plants clean up contaminated agricultural soils, including those polluted by plastic mulch residues, pesticides, and heavy metals. Microbial-assisted phytoremediation is presented as a promising low-cost approach for restoring degraded farmland.
Mitigation of microplastic toxicity in soybean by synthetic bacterial community and arbuscular mycorrhizal fungi interaction: Altering carbohydrate metabolism, hormonal transduction, and genes associated with lipid and protein metabolism
Researchers found that inoculating soybean plants with a combination of mycorrhizal fungi and beneficial bacteria helped protect them from microplastic-induced stress, improving biomass, seed quality, antioxidant defenses, and hormone balance. The study suggests that soil microbe communities could be harnessed as a sustainable strategy to help crops cope with growing microplastic contamination in agricultural 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.
Regulatory Mechanisms of Plant Growth-Promoting Bacteria in Alleviating Microplastic and Heavy Metal Combined Pollution: Insights from Plant Growth and Metagenomic Analysis
Researchers used metagenomic sequencing to investigate how plant growth-promoting bacteria (PGPB) mitigate the combined toxicity of microplastics and heavy metals on plant growth. PGPB inoculation restored rhizosphere microbial function and reduced plant stress, revealing microbiome-mediated mechanisms for alleviating mixed pollutant toxicity.