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61,005 resultsShowing papers similar to Microbial biodegradation of polyethylene terephthalate microplastics by an indigenous Candida tropicalis strain and biocompatibility evaluation of microplastics-degraded metabolites in GIFT Tilapia
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.
Microbial Degradation of Microplastics in Aquatic Ecosystems: A New Frontier in Environmental Bioremediation
This review examines microbial degradation of microplastics in aquatic ecosystems, covering bacteria, fungi, and actinomycetes capable of colonizing plastic surfaces, forming biofilms, and secreting enzymes to degrade polymers including polyethylene and PET.
Assessing the Biodegradation of Low-Density Polyethylene Films by Candida tropicalis SLNEA04 and Rhodotorula mucilaginosa SLNEA05
Researchers assessed whether Candida tropicalis yeast could biodegrade low-density polyethylene (LDPE) plastic films under laboratory conditions, measuring weight loss, surface changes, and chemical degradation markers. Limited but measurable biodegradation occurred, suggesting potential for yeast-based plastic remediation.
Acceleration a yeast-based biodegradation process of polyethylene terephthalate microplastics by Tween 20: Efficiency, by-product analysis, and metabolic pathway Prediction
Researchers isolated a new yeast strain capable of degrading polyethylene terephthalate microplastics and found that adding the surfactant Tween 20 significantly accelerated the biodegradation process. The yeast changed the microplastic surface charge and reduced particle size, with Tween 20 enhancing the breakdown efficiency. The study suggests that surfactant-assisted biological approaches may offer a promising avenue for addressing PET microplastic pollution.
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.
Sustainable solution for microplastic removal: Sequential biodegradation and detoxification of polyethylene terephthalate microplastics by two natural microbial consortia
Researchers developed a two-stage approach using natural microbial communities to break down PET microplastics and neutralize their toxic byproducts. The first bacterial-fungal group achieved 28% degradation over 60 days, while a second group of bacteria further processed the breakdown products, reducing their toxicity. The study demonstrates that sequential microbial treatment could be a practical, eco-friendly strategy for addressing PET microplastic pollution.
Polyethylene degradation and assimilation by the marine yeast Rhodotorula mucilaginosa
Researchers discovered that the marine yeast Rhodotorula mucilaginosa can degrade and assimilate polyethylene, reducing plastic mass, altering surface chemistry, and incorporating plastic-derived carbon into cellular lipids, suggesting a biological pathway for ocean plastic breakdown.
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.
Characterization of Microplastic Degrading Indigenous Bacteria from Ambon Bay Waters
Researchers characterised indigenous bacteria from Ambon Bay waters for their ability to degrade microplastics, focusing on low-density polyethylene (LDPE) degradation potential and identifying optimal conditions for microbial plastic breakdown.
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.
Eco-Microbiology: Discovering Biochemical Enhancers of PET Biodegradation by Piscinibacter sakaiensis
This paper reviews biochemical strategies for enhancing PET biodegradation by microorganisms, focusing on the discovery and engineering of plastic-degrading enzymes. The review highlights recent advances and remaining challenges in scaling up enzymatic plastic degradation for industrial applications.
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.
Hydrolase and plastic-degrading microbiota explain degradation of polyethylene terephthalate microplastics during high-temperature composting
Researchers tested a PET-degrading enzyme (WCCG) in high-temperature composting and found that adding the enzyme achieved 35% PET degradation, while native plastic-degrading microbiota alone (including Acinetobacter and Bacillus) reduced PET by 26%, suggesting both enzymatic and microbial approaches can address PET microplastic pollution.
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.
Biodegradation of Typical Plastics: From Microbial Diversity to Metabolic Mechanisms
This review examines how marine microorganisms, including bacteria and fungi, can naturally break down common plastics like PET, polystyrene, and polyethylene. Marine microbes may be better adapted than land-based organisms for this task because they already thrive in harsh conditions, offering a potential environmentally friendly approach to addressing ocean plastic pollution.
A review on microbial bioremediation of polyethylene terephthalate microplastics
This review focuses on microbial biodegradation of PET microplastics — the plastic used in bottles and synthetic textiles — detailing the specific enzymes (PETase and MHETase) that bacteria use to break the polymer down into its chemical building blocks. Biological degradation offers a lower-energy, more environmentally gentle alternative to chemical recycling or landfill, and understanding the microbial mechanisms involved is key to developing scalable bioremediation solutions for one of the most pervasive microplastic types.
Biodegradation of Polyethylene Microplastic using Culturable Coral-Associated Bacteria Isolated from Corals of Karimunjawa National Park
Researchers isolated bacteria from corals in Indonesia's Karimunjawa National Park and tested their ability to degrade polyethylene microplastics. Coral-associated bacteria showed measurable polyethylene degradation activity, suggesting that coral reef microbial communities may contribute to local plastic breakdown despite the slow overall rate.
Microbe‐mediated biodegradation of microplastics from wastes
Researchers examined microbe-mediated biodegradation of microplastics from waste, reviewing bacterial and fungal species capable of breaking down various plastic polymers and discussing enzymatic mechanisms that could be harnessed for bioremediation strategies.
An archaeal lid-containing feruloyl-esterase degrades polyethylene terephthalate (PET)
This study identified the first archaeal enzyme capable of degrading PET plastic, characterizing its structure and biochemical properties. Expanding the diversity of organisms with PET-degrading enzymes could accelerate the development of biological strategies for breaking down the microplastics contaminating marine and terrestrial environments.
Development of a yeast whole-cell biocatalyst for MHET conversion into terephthalic acid and ethylene glycol
Researchers engineered baker's yeast to display plastic-degrading enzymes on its cell surface, demonstrating a simpler and potentially cheaper approach to breaking down PET plastic — the material used in bottles — without requiring the costly step of purifying the enzymes first.
Microbial Degradation of (Micro)plastics: Mechanisms, Enhancements, and Future Directions
This review examines how microorganisms can break down microplastics using enzymes like PETase and laccases, offering a more environmentally friendly alternative to other cleanup methods. While microbial degradation holds promise for reducing microplastic pollution and its associated health risks, current efficiency is too low for large-scale application and needs further improvement.
Current Knowledge on Polyethylene Terephthalate Degradation by Genetically Modified Microorganisms
This review covers genetically modified microorganisms engineered to degrade polyethylene terephthalate, examining how bioengineering of enzymes such as PETase and enhanced expression systems can overcome the low biodegradation rates of wild-type microorganisms toward this ubiquitous plastic.
Biodegradation of polyethylene terephthalate microplastics by bacterial communities from activated sludge
Bacterial communities from activated sludge were shown to grow on PET microplastics as a sole carbon source and achieved measurable biodegradation of heat-pretreated PET fragments in a standardized CO₂ evolution test, identifying activated sludge as a source of PET-degrading microbes.