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MicrobialDegradationof Plastics: Mechanisms, Pathways,and Multiomics Insights
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This review pulls together decades of research on how bacteria and fungi break down plastic waste, examining the specific steps microbes use to attach to, digest, and ultimately destroy plastic materials. The big takeaway: while microbial plastic-eating is a promising tool against plastic pollution (which matters for human health since microplastics have been found throughout our bodies), the science is still too inconsistent across studies to know which methods will actually work at scale in the real world. The authors offer a roadmap for making this research more useful and comparable, which could eventually help turn lab discoveries into practical solutions for cleaning up plastic waste.
Plastic pollution is a major environmental challenge, given its widespread presence and potential risks to both ecosystems and human health. Microbial biodegradation offers a promising solution for managing plastic waste. However, research in this area remains fragmented, with varying reports on degradation efficiency, mechanisms, and practical applications. This review synthesizes recent developments in microbial taxonomy, enzymatic depolymerization, and multiomics functional analysis, highlighting the connections between microbial traits and the four key stages of plastic degradation: colonization, depolymerization, assimilation, and mineralization. It critically evaluates the robustness and comparability of reported degradation metrics, demonstrating that variability in polymer properties, experimental conditions and assessment methods severely hinders meaningful comparisons across studies and limits the translation of laboratory findings to real-world applications. Additionally, this review elaborates on emerging bioaugmentation strategies such as genetic modification, enzyme engineering and synthetic microbial consortia design, while identifying key translational bottlenecks involving scalability, environmental relevance and long-term stability. By integrating insights from multiomics research and synthetic biology, this work proposes a framework to bridge the gap between laboratory-based discoveries and practical biodegradation strategies. It aims to advance microbial plastic remediation research by identifying key knowledge gaps and offering actionable recommendations for future developments.
More Papers Like This
Microbial Degradation of Plastics: Mechanisms, Pathways, and Multiomics Insights
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Scientists are exploring how to use bacteria and other microbes to break down plastic waste, since plastic pollution can pose risks to ecosystems and human health. This review pulls together existing research on how these microbes work and points out that results vary so much between studies that it's hard to tell which methods might actually work in the real world. The takeaway: microbial plastic cleanup is a promising idea, but it needs more consistent testing before it can move from the lab to actually reducing plastic pollution (and the microplastics we're exposed to) at scale.
Microbial and Enzymatic Strategies for Plastic Waste Biodegradation: Mechanistic Pathways, Environmental Challenges, and Emerging Biotechnological Strategies
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This review paper rounds up current science on using bacteria, fungi, and their enzymes to break down plastic waste instead of relying on burning or burying it, which can create toxic byproducts. This matters because plastics that don't fully break down often end up as microplastics in our water, food, and even our bodies, so finding safer, more effective ways to biodegrade plastic could help reduce that long-term exposure. The authors note that while lab results are promising, scaling these methods up for real-world use is still a major challenge.
Global Hotspots and Trends in Microbial Plastic Biodegradation for Plastic Waste Management: A Mini-Review and Bibliometric Analysis
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This review pulls together 25 years of research on how bacteria and fungi break down plastic waste, showing that scientists are increasingly focused on the specific enzymes and microbes capable of this job, especially for tough plastics like PET. While this research doesn't directly address microplastics already in our bodies, it matters because these microbial "plastic-eating" tools could eventually help reduce the plastic waste that breaks down into the microplastics we're exposed to through food, water, and air.
Microbial plastic and microplastic bioremediation and innovations
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Scientists are studying certain bacteria and fungi that can naturally "eat" plastic, breaking it down using special enzymes instead of letting it pile up in landfills and oceans. This review paper rounds up what researchers have learned so far, including new tech that could speed up this microbial cleanup process, but notes there are still real challenges before it can be used on a large scale. This matters because as plastic waste breaks down into microplastics that contaminate our water, food, and even our bodies, finding safer ways to eliminate plastic pollution could reduce our long-term exposure to these particles.
Bioremediation of microplastic pollution: A systematic review on mechanism, analytical methods, innovations, and omics approaches
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Researchers systematically reviewed how bacteria, fungi, and algae can break down microplastics through enzymes and biofilms, and how cutting-edge tools like genomics and genetically engineered microbes are improving biodegradation efficiency. While microbial bioremediation is a promising sustainable approach to microplastic pollution, challenges around scalability and varying degradation rates in real environments still need to be overcome.
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