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20 resultsShowing papers similar to Efficient biodegradation of Polyethylene terephthalate (PET) plastic by Gordonia sp. CN2K isolated from plastic contaminated environment
ClearBiodegradation of Poly(Ethylene Terephthalate) Microplastics by Baceterial Communities From Activated Sludge
Scientists isolated bacteria from wastewater treatment sludge that can biodegrade PET plastic, used in plastic bottles and food packaging. The bacteria broke down PET microplastics over a 60-day period, pointing toward a potential biological tool for removing plastic contamination from water treatment systems.
Biodegradation of Poly(Ethylene Terephthalate) Microplastics by Baceterial Communities From Activated Sludge
Scientists isolated bacteria from wastewater treatment sludge that can biodegrade PET plastic, used in plastic bottles and food packaging. The bacteria broke down PET microplastics over a 60-day period, pointing toward a potential biological tool for removing plastic contamination from water treatment systems.
Biodegradation of Poly(ethylene terephthalate) by Bacillus safensis YX8
Researchers isolated a PET-degrading bacterial strain, Bacillus safensis YX8, from the surface of plastic waste and demonstrated its ability to break down PET nanoparticles. The study identified the degradation products as terephthalic acid and related compounds, suggesting this bacterium could contribute to environmentally friendly approaches for managing PET plastic waste.
Degradation of PET plastic with engineered environmental bacteria
Scientists engineered a soil bacterium to break down PET plastic, one of the most common plastics in food packaging and textiles, by giving it the ability to produce and secrete a powerful plastic-degrading enzyme. This is one of the first demonstrations of a living microorganism that can directly consume PET as a food source, which could lead to more sustainable recycling approaches.
Biological Degradation of Polyethylene Terephthalate by Rhizobacteria
Researchers isolated rhizobacteria — bacteria associated with plant roots — that can biodegrade polyethylene terephthalate (PET) plastic. This finding suggests that soil bacteria near plants may contribute to plastic breakdown in contaminated soils, though degradation rates remain slow.
Enhanced degradation of polyethylene terephthalate (PET) microplastics by an engineered Stenotrophomonas pavanii in the presence of biofilm
Scientists engineered a biofilm-forming bacterium to break down PET microplastics (the type found in water bottles and food containers) at room temperature. The engineered bacteria achieved significant PET degradation over 30 days and also worked on other polyester plastics, offering a potential biological solution for cleaning up microplastic pollution in water environments.
Marine hydrocarbon-degrading bacteria breakdown poly(ethylene terephthalate) (PET)
Scientists used microcosm studies to investigate whether marine hydrocarbon-degrading bacteria can break down PET plastic, finding that specific bacterial strains could colonize and degrade PET surfaces, offering insights into natural plastic biodegradation in the ocean.
Degradation of polyethylene terephthalate (PET) plastics by wastewater bacteria engineered via conjugation
Scientists engineered wastewater bacteria to break down PET plastic, one of the most common microplastic types, by transferring plastic-degrading genes through a natural DNA-sharing process. The modified bacteria could partially degrade a consumer PET product in 5 to 7 days. This proof-of-concept approach could help reduce the amount of microplastics released from wastewater treatment plants into the environment.
Biodegradation of low-density polyethylene LDPE by marine bacterial strains Gordonia alkanivorans PBM1 and PSW1 isolated from Mediterranean Sea, Alexandria, Egypt
Researchers isolated marine bacteria from plastic-contaminated sites in Egypt and found two Gordonia alkanivorans strains capable of breaking down low-density polyethylene (LDPE), a common plastic used in packaging, confirming the bacteria's ability to degrade plastic through measurable weight loss and chemical changes.
Biodegradation of polyethylene terephthalate microplastics by Paenibacillus naphthalenovorans PETKKU2: Response surface optimization and genomic evidence for an alternative degradation mechanism
This study identified a soil bacterium, Paenibacillus naphthalenovorans PETKKU2, isolated from a Thai landfill, as capable of degrading PET microplastics and achieving nearly 10% weight loss over 35 days under optimized conditions — through a degradation pathway distinct from the well-known PETase enzyme route. Surface analysis confirmed progressive erosion and chemical changes in the plastic. Discovering new microbial pathways for PET degradation is important for developing biological recycling and remediation strategies for one of the world's most common plastic pollutants.
Examining and identifying bacteria-mediated polyethylene terephthalate bottle waste degradation Byprops
Researchers isolated Bacillus subtilis from PET plastic waste dump sites and demonstrated that the bacterium can degrade polyethylene terephthalate microplastics over six months, with UV-pretreated PET showing the most pronounced changes including new alkyl aryl ether and alkene groups detected by FTIR and GC-MS. The findings suggest soil bacteria could offer a biodegradable solution for eliminating PET from plastic-contaminated sites.
Microbes Isolated from Landfill Soil Utilize Polyethylene Terephthalate (PET) as Their Sole Source of Carbon: An Unexplored Possibility of Bioremediation in Bangladesh
Researchers isolated six microorganisms from landfill soil near Dhaka, Bangladesh that can grow using PET plastic as their sole carbon source, identifying them as potential candidates for biological plastic degradation. This is significant because PET is one of the most widely produced and littered plastics globally, and discovering locally adapted PET-degrading microbes in developing nations opens pathways for low-cost bioremediation of plastic waste in regions with high pollution burdens.
Polyolefin colonization and partial degradation by Gordonia sp., and Arthrobacter sp. isolated from wetlands and compost
Researchers isolated plastic-degrading bacteria from wetland and compost environments enriched on LDPE, PP, PET, and polystyrene as sole carbon sources, finding that Gordonia sp. iso11 degraded up to 22.8% of polypropylene mass over 28 days while forming a dense biofilm and producing biosurfactants, marking the first reported PP degradation by the Gordonia genus.
In vivo degradation of polyethylene terephthalate using microbial isolates from plastic polluted environment.
Researchers isolated four microbial strains from plastic waste dumping sites and tested their ability to degrade polyethylene terephthalate in vivo, finding measurable weight loss and surface modification of PET films over 30 days, with Aspergillus species demonstrating the highest degradation efficiency.
Towards synthetic PETtrophy: Engineering Pseudomonas putida for concurrent polyethylene terephthalate (PET) monomer metabolism and PET hydrolase expression
Researchers engineered a soil bacterium to simultaneously break down PET plastic and use its building-block chemicals as food, identifying key bottlenecks in balancing enzyme production with bacterial fitness that will need to be resolved before such microbes can be used for large-scale plastic biodegradation.
A novel Bacillus subtilis BPM12 with high bis(2 hydroxyethyl)terephthalate hydrolytic activity efficiently interacts with virgin and mechanically recycled polyethylene terephthalate
Researchers discovered a soil bacterium, Bacillus subtilis BPM12, that can break down PET plastic building blocks at impressively high rates and across a wide range of temperatures and pH levels. The study shows that combining mechanical shredding with biological degradation by this microbe could be a practical route to recycling more PET plastic waste, a major source of environmental microplastics, back into useful chemicals.
Bioprospecting for polyesterase activity relevant for PET degradation in marine Enterobacterales isolates
Researchers screened marine Enterobacterales isolates for polyesterase activity capable of degrading PET plastic, identifying bacterial strains from marine environments as candidates for bioremediation strategies targeting one of the world's most problematic plastic pollutants.
Microbial degradation of polyethylene terephthalate: a systematic review
This systematic review examines how microorganisms like bacteria and fungi can break down PET plastic, one of the most common types of plastic waste. The research identifies several promising biological approaches that could help reduce plastic pollution without the harmful side effects of chemical recycling methods. Finding better ways to break down plastic waste is critical for reducing the microplastics that end up in our water, food, and bodies.
An archaeal lid-containing feruloyl esterase degrades polyethylene terephthalate
Researchers identified the first known archaeal enzyme capable of degrading polyethylene terephthalate (PET), a major plastic pollutant found worldwide. The enzyme, called PET46, comes from a deep-sea archaeon and showed degradation activity on PET comparable to previously known bacterial enzymes. The study expands the known diversity of plastic-degrading enzymes and suggests that organisms from extreme environments may harbor useful tools for addressing plastic pollution.
Eco-microbiology: discovering biochemical enhancers of PET biodegradation by Piscinibacter sakaiensis
Researchers are working to accelerate the biodegradation of PET plastic by Piscinibacter sakaiensis, a bacterium that naturally evolved to consume this common type of plastic. Using bioactivity screens and degradation tests, they identified a small number of biochemical conditions that more than doubled the PET biodegradation rate. The work provides a foundation for developing a fermentation process that could help address PET plastic pollution at scale.