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Biotechnological methods to remove microplastics: a review

Environmental Chemistry Letters 2023 216 citations

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This review examines biotechnological approaches to removing microplastics from the environment, including using algae, fungi, and bacteria that can break down plastic particles. The paper also discusses cutting-edge methods like gene editing to enhance microbial degradation abilities, which could eventually help reduce the amount of microplastics that accumulate in food and water sources.

Microplastics pollution is major threat to ecosystems and is impacting abiotic and biotic components. Microplastics are diverse and highly complex contaminants that transport other contaminants and microbes. Current methods to remove microplastics include biodegradation, incineration, landfilling, and recycling. Here we review microplastics with focus on sources, toxicity, and biodegradation. We discuss the role of algae, fungi, bacteria in the biodegradation, and we present biotechnological methods to enhance degradation, e.g., gene editing tools and bioinformatics.

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