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Polyethylene Terephthalate (PET) degrading soil bacteria: an overview
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This overview reviewed the role of plastics in modern society, their environmental impacts, conventional management approaches, and the use of PET-degrading bacteria including Ideonella sakaiensis and Thermobifida fusca as sustainable alternative approaches to plastic waste management. The paper highlighted that despite centuries required for complete plastic degradation by conventional means, bacterial PET degradation offers a promising pathway, though challenges remain in scaling biological solutions to match the scope of global PET pollution.
Despite their important role in food safety, medical safety, and other industries, plastic pollution remains one of the world’s leading environmental issues. One particular plastic is Polyethylene terephthalate (PET), which has a relatively poor biodegradability. There are various traditional ways of managing plastic waste, but it takes years for plastic debris to degrade completely. Numerous conventional approaches have been proposed, but some pose environmental risks, prompting researchers to explore additional options. Using bacteria (e.g., Ideonella sakaiensis and Thermobifida fusca) to degrade plastics has been considered an alternative, sustainable approach to plastic waste management. In this paper, we briefly provide an overview of the role of plastics, their impact on the environment, their management, and the prospect for PET-degrading bacteria as one of the sustainable approaches in plastic, specifically PET, management.
More Papers Like This
A mini-review on the role of PETase in polyethylene terephthalate degradation
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This mini-review summarized the structure, performance enhancement approaches, and potential applications of PETase, the enzyme from Ideonella sakaiensis discovered in 2016 that uses PET plastic as a carbon source, alongside MHETase for complete degradation into terephthalic acid and ethylene glycol. The review highlighted progress in enzyme engineering for improved PETase activity and discussed applications in bioremediation and recycling, identifying it as a key candidate for addressing the global plastic waste problem through biological degradation.
Explorations of Polyethylene Terephthalate (PET) Hydrolase for addressing PET Plastic Pollution
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This review explores the biology of PETase enzymes and their potential for addressing PET plastic pollution, covering the discovery of Ideonella sakaiensis and subsequent enzyme engineering efforts. Developing efficient PET-degrading enzymes is a promising biotechnological strategy for reducing plastic pollution at scale.
Polyethylene Terepthalate (PET) biodegradation and characterisation of landfill leachate bacteria
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This Icelandic undergraduate thesis reviews PET plastic biodegradation mechanisms and characterizes bacteria isolated from landfill leachate for their ability to degrade PET. The work explores biological pathways for breaking down one of the most widely used plastics, which otherwise accumulates as persistent microplastic pollution.
Exploring Petase: a Promising Enzyme for Plastic Waste Management
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This review focuses on the role of PETase enzymes in plastic biodegradation, examining how conventional and biological methods compare for PET plastic management and discussing specific enzyme mutants and microbial strains with enhanced PET degradation capacity. The authors highlight that genetically engineered organisms combined with plastic-degrading enzymes represent the most promising pathway for practical industrial-scale PET bioremediation.
Biological Degradation of Polyethylene Terephthalate by Rhizobacteria
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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.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.