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Biocatalysis for industry, medicine and the circular economy: general discussion
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This discussion explores the concept of using PETase enzymes to break down microplastic particles found in human blood, examining the potential and complications of such an approach. Researchers debated the feasibility of deploying biocatalytic solutions inside the human body to address plastic contamination. The conversation highlights both the promise and the significant technical hurdles involved in applying enzyme-based approaches to microplastic pollution in biological systems.
Michal Lihan opened a general discussion of the paper by Per-Olof Syrén: This is a very fascinating proof-of-concept study illustrating how PETases could be employed to tackle microplastic particles in human blood (https://doi.org/10.1039/d4fd00014e). This brings with it a number of complicatio
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Degradation of PET microplastic particles to monomers in human serum by designer enzymes
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Engineered PETase enzymes broke down PET microplastic-like particles into the monomer terephthalic acid in human serum at 37 °C. The experiments were done in vitro. The authors describe the result as a step toward future work on microplastics in blood.
Application of PETase in Plastic Biodegradation and Its Synthesis
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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.
Enzymatic Biodegradation of PET Plastics
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Plastic bottles and containers (made of PET) don't break down naturally—they just crumble into tiny microplastic pieces that end up in our food, water, and eventually our bodies. This review paper explains how scientists are studying special bacterial enzymes (called PETase and MHETase) that can actually digest PET plastic into harmless building blocks, offering a promising tool for cleaning up plastic pollution before it becomes a bigger health problem.
Genes for a Circular and Sustainable Bio-PET Economy
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This review examines the genetics of enzymes that can biodegrade PET plastic, exploring how genetic engineering could accelerate the development of organisms capable of breaking down plastic waste. Enzymatic degradation of PET could help address plastic pollution including plastic bottles that break down into microplastics.
Enzymatic Degradation of PET plastic
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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.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.