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Papers
20 resultsShowing papers similar to Biodegradation of Plastic and the Role of Microbial Enzymes in Plastic Waste Management
ClearMicrobes in Plastic Degradation
This review examines how microorganisms can break down common plastics like polyethylene and PET through enzymatic processes. Researchers summarized the key bacterial and fungal species capable of degrading plastics and the conditions that affect degradation rates. The study highlights that while microbial plastic degradation is promising, natural breakdown is slow and more research is needed to make biological solutions practical at scale.
Potential Use of Microbial Enzymes for the Conversion of Plastic Waste Into Value-Added Products: A Viable Solution
This review examines microbial enzymes capable of hydrolyzing PLA-PET mixed plastic waste, evaluating enzymatic degradation pathways and the potential for enzyme-based plastic valorization as an economically viable alternative to chemical recycling.
Microbial enzymes for the recycling of recalcitrant petroleum‐based plastics: how far are we?
This review examines the progress in identifying microbial enzymes capable of breaking down petroleum-based plastics like polyethylene, polystyrene, polyurethane, and PET. Researchers highlight recent advances in using polyester-degrading enzymes to recover raw materials from PET waste through biocatalytic recycling. The study discusses the potential and remaining challenges of using biological approaches to address the growing global problem of plastic waste accumulation.
Biodegradation of Microplastic: A Sustainable Approach
This review examines biological approaches to microplastic degradation, covering microorganisms and enzymes capable of breaking down common plastic polymers such as PET and polyethylene. Biodegradation could offer a sustainable path to reducing microplastic accumulation in soil, water, and marine environments.
Microbial plastic degradation: enzymes, pathways, challenges, and perspectives.
This review synthesizes current knowledge on microbial plastic degradation, covering the enzymes and metabolic pathways involved in breaking down major synthetic polymers, the challenges limiting efficient biodegradation, and perspectives for engineering improved microbial solutions to plastic waste.
Microbial Degradation and Valorization of Plastic Wastes
This review covers recent advances in microbial and enzymatic degradation of synthetic plastic wastes, summarizing the microorganisms and enzymes capable of attacking different polymer types and assessing the prospects for biological plastic waste treatment at scale.
Microbial and Enzymatic Degradation of Plastic Waste in Water
This review surveys microbial and enzymatic pathways for degrading plastic waste in water, cataloging enzymes such as PETases and cutinases along with the microorganisms that produce them. The authors assess current limitations of biological degradation rates and discuss how enzyme engineering and synthetic microbial consortia could accelerate plastic breakdown.
Enzymatic Remediation of Polyethylene Terephthalate (PET)–Based Polymers for Effective Management of Plastic Wastes: An Overview
Enzymatic approaches for remediating PET-based plastic waste were reviewed, covering PETase and related enzymes that can break PET into reusable monomers. Enzyme engineering strategies to improve thermostability and catalytic efficiency are discussed as a pathway to scalable biological PET recycling.
Enzymatic Degradation of PET plastic
This study tested commercial-grade enzymes for degrading PET plastic and found that enzymatic degradation was effective at laboratory scale but faced challenges for real-world application. Scaling up enzymatic PET recycling could reduce the persistence of plastic waste that eventually fragments into microplastics in the environment.
Microbial Polyethylene Terephthalate Hydrolases: Current and Future Perspectives
This review surveys microbial enzymes capable of breaking down PET plastic, focusing on the structure and function of key hydrolases like PETase and cutinases. Researchers found that while several enzymes show promising PET-degrading activity, most work slowly and under limited temperature conditions, with engineered variants showing improved performance. The study highlights both the potential and the current limitations of using biological approaches for plastic waste management.
Perspectives on the Role of Enzymatic Biocatalysis for the Degradation of Plastic PET
This review discusses the role of enzymatic biocatalysis in PET plastic degradation, examining how the discovery of PETase and subsequent enzyme engineering have advanced biodegradation as an alternative to chemical and mechanical recycling for one of the most produced plastics globally.
Current knowledge on enzymatic PET degradation and its possible application to waste stream management and other fields
This review distinguished between enzymatic PET surface modification (useful for fiber treatment) and enzymatic PET degradation (needed for waste management), cataloguing the hydrolases capable of each function and the conditions required. The authors evaluate the prospects for deploying PET-degrading enzymes in industrial plastic waste streams.
Frontiers in plastic biodegradation: unraveling the mechanisms and impacts of macro- and microplastic pollution
This review examined current approaches to breaking down plastic pollution using microorganisms and enzymes, covering common plastics like polyethylene, polypropylene, PET, and polystyrene. Researchers highlighted several promising biological degradation pathways, including enzymes like PETase and laccase produced by bacteria and fungi. The study suggests that combining genetic engineering of plastic-degrading organisms with circular economy strategies could help address the growing global plastic pollution crisis.
Recent trends in microbial and enzymatic plastic degradation: a solution for plastic pollution predicaments
This review covers recent advances in using microorganisms and their enzymes to break down plastics including polyethylene, PVC, polystyrene, and PET, with techniques like protein engineering being used to boost enzyme efficiency. Microbial degradation offers a sustainable approach to reducing the persistent plastic pollution that generates the microplastics found throughout the environment and human body.
Recent advances and challenges in sustainable management of plastic waste using biodegradation approach
This review provides a comprehensive overview of plastic biodegradation as a sustainable strategy for managing plastic waste accumulation. Researchers surveyed recent breakthroughs in identifying microorganisms and enzymes capable of breaking down various plastic polymers under relatively mild conditions. The study highlights that while biodegradation shows promise as an eco-friendly alternative to conventional waste management, significant challenges remain in scaling these approaches for practical application.
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.
Plastic biodegradation: Frontline microbes and their enzymes
Researchers reviewed microbial biodegradation of synthetic plastics — including PE, PP, PS, and PET — cataloguing the insects, bacteria, and fungi capable of breaking down these polymers along with the enzymatic mechanisms involved, and outlining paths forward including metabolic pathway engineering and molecular cloning to improve degradation rates.
Application of PETase in Plastic Biodegradation and Its Synthesis
This review examines how PETase enzymes can be used to biodegrade plastic waste, particularly polyethylene terephthalate, which is one of the most widely used plastics globally. Researchers discuss recent advances in modifying PETase enzymes for improved efficiency and establishing sustainable synthesis platforms. The study suggests that enzymatic biodegradation offers a promising biological solution to the growing plastic pollution crisis.
Microbial Biodegradation of Plastics and Microplastics: Enzymatic Mechanisms, Biotechnological Applications, and Ecotoxicological Perspectives
This review examined the enzymatic mechanisms by which microorganisms degrade plastics and microplastics, covering biotechnological applications and ecotoxicological perspectives. Researchers found that certain bacterial and fungal enzymes can break down persistent plastic polymers, positioning microbial biodegradation as a promising sustainable remediation approach, though scalability and environmental deployment remain challenges.
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.