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Biodegradation potential of Gordonia spp. on polypropylene and polystyrene: enhanced degradation through pretreatment
Summary
This study identified novel Gordonia species capable of degrading polypropylene (PP) and polystyrene (PS) and established an effective UV and chemical pretreatment protocol to enhance biodegradation efficiency, alongside genomic analysis of biodegradation pathway genes. The research demonstrated that degradation products from PP and PS could potentially be extracted and processed into new plastic raw materials or other valuable products, contributing to sustainable circular economy strategies for persistent plastic waste management.
This work advances plastic biodegradation by identifying novel PP/PS-degrading Gordonia species, establishing an effective pretreatment protocol, and providing genomic insights into biodegradation pathways. These findings contribute to developing sustainable solutions for managing persistent plastic waste. These products or metabolites from the degradation of PP and PS plastics can be further extracted and processed into new plastic raw materials or other valuable products, facilitating the recycling of plastic resources. This approach not only decreases reliance on fossil resources, but also mitigates energy consumption and carbon emissions during of plastics production. Thus, it promotes the development of green and sustainable plastics industry and contributes to the establishment of a circular economy. Furthermore, we believe there is also great potential for addressing plastic pollution through various integrated treatment methods.