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61,005 resultsShowing papers similar to Biotechnological potential of microorganisms from landfill leachate: isolation, antibiotic resistance and leachate discoloration
Clear(Nano)microplastics promote the propagation of antibiotic resistance genes in landfill leachate
Researchers found that (nano)microplastics in municipal landfill leachate actively promote the spread of antibiotic resistance genes, highlighting landfill sites as dual reservoirs of plastic pollution and antimicrobial resistance threats.
Microplastics enrichment characteristics of antibiotic resistance genes and pathogens in landfill leachate
Researchers found that microplastics in landfill leachate serve as surfaces that selectively accumulate antibiotic resistance genes and disease-causing bacteria. Incubation experiments with PET and polypropylene particles showed that pathogens were more abundant on microplastic surfaces than in the surrounding leachate. The study raises concerns that microplastics in landfills may act as vehicles for spreading antibiotic resistance and pathogenic organisms in the environment.
Microplastics as carriers of antibiotic resistance genes and pathogens in municipal solid waste (MSW) landfill leachate and soil: a review
This review examines how microplastics in landfill leachate and soil can serve as carriers for antibiotic resistance genes and disease-causing bacteria. Researchers describe how microplastic surfaces create favorable environments for bacterial colonization and gene transfer, potentially spreading antimicrobial resistance. The study highlights an underappreciated pathway through which plastic waste in landfills may contribute to the broader antibiotic resistance crisis.
Generation mechanisms, environmental behaviors, and treatment technologies of conventional and emerging contaminants in landfill leachate: A review
This review systematically examines the generation, environmental behavior, and treatment of both conventional and emerging contaminants — including microplastics, antibiotics, and heavy metals — in landfill leachate, which poses major risks to surrounding soil and groundwater when improperly managed.
Bioprospecting indigenous bacteria from landfill leachate for enhanced polypropylene microplastics degradation
Researchers isolated bacteria from landfill leachate to test their ability to degrade polypropylene microplastics. They identified a novel Staphylococcus haemolyticus strain that reduced polypropylene dry weight by over 25% in 30 days, with surface and chemical analysis confirming structural degradation through hydrolysis and oxidation.
Biodegradation of municipal plastic wastes collected from solid waste landfills of Jammu, India
This study tested soil bacteria and fungi isolated from a landfill in Jammu, India, for their ability to biodegrade low-density polyethylene and other municipal plastic wastes. Identifying landfill-derived microorganisms capable of degrading common plastics could lead to bioremediation strategies for plastic-contaminated sites.
Biochemical and Fe-resistant characteristics of indigene bacteria from a high iron concentration landfill in Indonesia
Researchers isolated and characterized 27 bacterial strains from leachate at a landfill in Indonesia with high iron concentrations. They identified eight different genera, including Pseudomonas and Bacillus, and tested their resistance to iron using disc diffusion methods and growth curve analysis. The findings suggest these iron-resistant bacteria may have potential applications in bioremediation of heavy metal-contaminated environments.
Characterization of microplastic degrading bacteria isolated from the Putri Cempo landfill
Researchers isolated bacteria from a landfill in Indonesia and characterized their ability to degrade microplastics, identifying indigenous strains with potential for use in bioremediation of plastic pollution.
Prevalence of antibiotics and antibiotic resistance genes in landfill leachate
This book chapter reviews how landfills accumulate and release antibiotics and antibiotic resistance genes (ARGs) into surrounding groundwater and surface water through leachate — with microplastics mentioned as one of many co-contaminants in landfill environments. While the focus is primarily on antimicrobial resistance rather than microplastics specifically, the work is relevant to understanding how plastics in landfills interact with the broader contamination landscape. The findings highlight landfills as underappreciated hotspots for combined chemical and biological pollution entering water supplies.
Remediation of Heavy Metal Contaminated Soil Using Potential Microbes Isolated from a Closed Disposal Site
Bacteria isolated from a closed landfill site were tested for their ability to remove heavy metals from contaminated soil, with promising results for lead and chromium removal. Microorganisms that can clean up metal-contaminated soils are relevant to the broader challenge of remediating sites contaminated with plastic-associated heavy metals.
Hazardous Components of Landfill Leachates and Its Bioremediation
This review covers the hazardous substances found in landfill leachate—the liquid that drains through garbage dumps—and biological methods to treat them. Landfill leachate is a significant but underappreciated source of microplastic pollution and chemical contamination in groundwater and surrounding ecosystems.
Microplastics in landfill and leachate: Occurrence, environmental behavior and removal strategies
This review examines how microplastics form and accumulate in landfills and their leachate, which is the liquid that drains from waste sites. Researchers found that landfill leachate is an overlooked source of microplastic pollution that can carry toxic substances and antibiotic resistance genes into the surrounding environment. The study evaluates current removal strategies and calls for better treatment systems to prevent microplastic contamination from waste disposal sites.
Degradation of microplastics in artificially polluted soil by bacterial and fungal isolates originating from landfill leachate
Researchers tested whether bacterial and fungal isolates from landfill leachate could degrade polyethylene and polypropylene microplastics in artificially polluted agricultural soil, finding that the microbial isolates showed measurable degradation activity against both polymer types.
Significance of landfill microbial communities in biodegradation of polyethylene and nylon 6,6 microplastics
Researchers isolated bacteria from a municipal landfill and tested their ability to degrade polyethylene and nylon 6,6 microplastics. The study demonstrated that Achromobacter xylosoxidans reduced microplastic weight by up to 26.7% in 40 days through enzyme-mediated polymer chain breakdown, suggesting that landfill microbial communities may offer potential pathways for sustainable plastic waste management.
Global Situation of Bioremediation of Leachate-Contaminated Soils by Treatment with Microorganisms: A Systematic Review
This systematic review found that bioremediation using microorganisms is an effective and low-cost approach for treating soils contaminated by landfill leachate. Bacterial consortia were most successful at degrading heavy metals and organic pollutants, though treatment effectiveness depends heavily on soil type and contamination levels.