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Papers
20 resultsShowing papers similar to Isolation and characterization of new bacterial strains degrading low-density polyethylene
ClearIntroducing the LDPE degrading microbes of sedimentary systems: from dumpsite to laboratory
This study identified and characterized low-density polyethylene (LDPE)-degrading microbes from dumpsite sedimentary systems, isolating bacteria capable of utilizing LDPE as a carbon source—providing a starting point for developing biological solutions to plastic pollution remediation.
Exploring genetic landscape of low-density polyethylene degradation for sustainable troubleshooting of plastic pollution at landfills
Researchers investigated the genetic mechanisms behind microbial degradation of low-density polyethylene plastic at one of India's largest landfill sites. They identified specific bacterial strains capable of breaking down the plastic and characterized the genes and metabolic pathways involved in the degradation process. The findings point toward potential biological strategies for addressing plastic pollution at landfills, though the degradation rates remain slow compared to the scale of the problem.
High density polyethylene microplastics biodegradation by bacteria isolated from a landfill in Cali, Colombia
Researchers isolated bacteria from a landfill in Cali, Colombia, and evaluated their ability to biodegrade high-density polyethylene (HDPE) microplastics, addressing gaps in knowledge about microbial degradation of persistent plastic particles. The study identified bacterial strains capable of accelerating HDPE breakdown, demonstrating the potential of landfill-derived microorganisms for bioremediation.
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.
Enrichment and isolation of micro plastic degrading microorganisms from various natural sources
Researchers isolated microplastic-degrading microorganisms from soil and water samples using mineral salt media with polyethylene and polypropylene as sole carbon sources, successfully identifying four distinct microbial isolates capable of degrading these polymers.
Genomic insights and metabolic pathways of an enriched bacterial community capable of degrading polyethylene
Researchers enriched bacteria from wastewater treatment sludge that can break down polyethylene plastic, achieving a 3% weight reduction in plastic films over 28 days. Genomic analysis identified specific bacterial strains and 14 plastic-degrading genes, including those for enzymes like laccase and lipase that attack the plastic's molecular structure. The study offers a potential pathway toward using naturally occurring bacteria as a sustainable solution for plastic waste degradation.
Isolation of a soil bacterium for remediation of polyurethane and low-density polyethylene: a promising tool towards sustainable cleanup of the environment.
A soil bacterium tentatively classified in the Pseudomonas genus was found to biodegrade both polyurethane and low-density polyethylene plastics. The discovery of a single bacterial strain capable of degrading two different types of plastic is a step toward developing practical microbial tools for plastic waste remediation.
Microorganism-Based Bioremediation Approach for Plastics and Microplastics Wastes
Soil bacteria were isolated and screened for plastic-degrading capacity, with one of five isolates showing the highest low-density polyethylene (LDPE) degradation, demonstrating that soil-derived actinobacteria and other bacteria can contribute to bioremediation of plastic waste.
Biodegradation of polyethylene: a brief review
This review examines research on biodegradation of polyethylene by microorganisms, summarizing the physico-chemical changes observed and noting that while promising bacterial strains have been identified, complete biodegradation under ambient conditions has not been achieved.
Microbial Allies in Plastic Degradation: Specific bacterial genera as universal plastic-degraders in various environments
Researchers identified specific bacterial genera capable of degrading multiple types of plastic across different environments including landfill soil, sewage sludge, and river water. They found that certain bacteria, such as Pseudomonas and Bacillus species, consistently appeared as effective plastic degraders regardless of the environment. The study suggests that these universal plastic-degrading bacteria could be valuable candidates for developing bioremediation strategies to address plastic pollution.
Biodegradation of Low Density Polyethylene (LDPE) using marine bacteria isolated from tropical beaches of megacity Mumbai
Marine bacteria isolated from plastic debris buried in beach sediments at seven Mumbai beaches were able to colonize and partially degrade low-density polyethylene (LDPE) plastic. Identifying bacteria naturally adapted to plastic-rich marine environments is a step toward developing biological tools for plastic degradation, though the process is currently far too slow to address the scale of ocean plastic pollution without significant enhancement.
Isolates of Polypropylene-degrading Bacteria from a Landfill
Researchers isolated and characterized polypropylene-degrading bacteria from a landfill site, identifying microbial strains capable of breaking down this widely used plastic, including the polypropylene found in disposable medical face masks that increased in use during the COVID-19 pandemic. The isolates demonstrated measurable degradation activity on polypropylene substrates, contributing to the search for biodegradation-based plastic waste management solutions.
Insights into the degradation of high-density polyethylene microplastics using microbial strains: Effect of process parameters, degradation kinetics and modeling
Researchers tested several microbial strains for their ability to break down high-density polyethylene microplastics and developed models to predict degradation rates. Certain bacteria and fungi showed measurable ability to deteriorate the plastic surface over weeks of exposure. The study contributes to the development of biological approaches for remediating microplastic pollution in the environment.
Isolation and Characterization of Polyethylene and Polyethylene Terephthalate-degrading Bacteria from Jakarta Bay, Indonesia
Researchers isolated bacteria from Jakarta Bay, Indonesia, that showed the ability to degrade polyethylene and polyethylene terephthalate microplastics in laboratory conditions. They identified the most effective bacterial strains and confirmed plastic degradation through weight loss measurements and surface analysis. The study supports the potential of using naturally occurring marine bacteria for bioremediation of plastic-polluted coastal environments.
Breaking down the plastics paradox: polymer degrading microorganisms
This review examines microorganisms capable of degrading plastics, cataloging the bacteria and fungi discovered to break down common polymers like polyethylene, polystyrene, and PET. Identifying and harnessing plastic-degrading microbes could provide biological solutions to the accumulation of microplastics in the environment.
Plastics: Environmental and Biotechnological Perspectives on Microbial Degradation
This review explores the environmental challenges of plastic accumulation and the potential for microorganisms to degrade various types of plastics. Researchers summarized recent discoveries of bacteria and fungi capable of breaking down common plastics like polyethylene and PET, though degradation rates remain slow. The study highlights microbial degradation as a promising but still developing biotechnological approach to addressing plastic pollution.
The escalated potential of the novel isolate Bacillus cereus NJD1 for effective biodegradation of LDPE films without pre-treatment
Researchers isolated a novel Bacillus cereus strain from a plastic waste dump that achieved 43% weight loss of LDPE films without pre-treatment, demonstrating promising potential for direct bacterial biodegradation of polyethylene waste.
Construction and degradation characteristics of high-efficiency polyethylene degrading composite microbial community
Researchers engineered a high-efficiency polyethylene-degrading microbial consortium and characterized its degradation pathways and kinetics, finding substantial mass loss and chemical modification of polyethylene under optimized conditions. The consortium outperformed previously described single-species degraders, advancing the development of biological solutions for hard-to-recycle plastic waste.
Putative degraders of low‐density polyethylene‐derived compounds are ubiquitous members of plastic‐associated bacterial communities in the marine environment
This study compared bacterial communities on plastic debris from the Pacific, North Atlantic, and northern Adriatic to identify potential plastic-degrading microbes, finding that putative LDPE-degraders are widespread and common members of ocean plastic biofilms. The widespread distribution of plastic-degrading bacteria in ocean environments suggests that biological plastic breakdown is occurring in the ocean, but at an unknown rate.
Plastic-Degrading Microbial Consortia from a Wastewater Treatment Plant
Researchers isolated bacteria from a wastewater treatment plant that can break down common plastics including polyethylene and polystyrene, some of the hardest plastics to recycle. The microbial communities worked together to degrade the plastics more effectively than individual bacterial strains. While biological plastic degradation is still slow compared to the scale of pollution, identifying these bacteria is a step toward developing biotechnology solutions for plastic waste cleanup.