Exploring biotechnology for plastic recycling, degradation and upcycling for a sustainable future
文献类型： 外文期刊
作者： Xu Liu;Helen Park;Yannic Sebastian Ackermann;Luc Avérous;Hendrik Ballerstedt;Werner Besenmatter;Blas Blázquez;Uwe T. Bornscheuer;Yannick Branson;William Casey;Víctor de Lorenzo;Weiliang Dong;Tilman Floehr;Manuel S. Godoy;Yu Ji;Andreas Jupke;Jürgen Klankermayer;David San León;Luo Liu;Xianrui Liu;Yizhi Liu;Maria T. Manoli;Esteban Martínez-García;Tanja Narancic;Juan Nogales;Kevin O'Connor;Ole Osterthun;Rémi Perrin;M. Auxiliadora Prieto;Eric Pollet;Alexandru Sarbu;Ulrich Schwaneberg;Haijia Su;Zequn Tang;Till Tiso;Zishuai Wang;Ren Wei;Gina Welsing;Nick Wierckx;Birger Wolter;Gang Xiao;Jianmin Xing;Yilin Zhao;Jie Zhou;Tianwei Tan;Lars M. Blank;Min Jiang;Guo Qiang Chen
作者机构：
关键词： Biocatalytic plastic degradation;Biodegradable materials;Circular economy;Enzymatic recycling;Microbial depolymerization;Plastic degradation;Polyethylene terephthalate (PET);Polyhydroxyalkanoate (PHA)
期刊名称： Biotechnology Advances
ISSN： 0734-9750
年卷期： 2025 年 81 卷
页码：
收录情况： SCIE（2025版） ; ; EI（2025版）
摘要： The persistent demand for plastic commodities, inadequate recycling infrastructure, and pervasive environmental contamination due to plastic waste present a formidable global challenge. Recycling, degradation and upcycling are the three most important ways to solve the problem of plastic pollution. Sequential enzymatic and microbial degradation of mechanically and chemically pre-treated plastic waste can be orchestrated, followed by microbial conversion into value-added chemicals and polymers through mixed culture systems. Furthermore, plastics-degrading enzymes can be optimized through protein engineering to enhance their specific binding capacities, stability, and catalytic efficiency across a broad spectrum of polymer substrates under challenging high salinity and temperature conditions. Also, the production and formulation of enzyme mixtures can be fine-tuned to suit specific waste compositions, facilitating their effective deployment both in vitro, in vivo and in combination with chemical technologies. Here, we emphasized the comprehensive strategy leveraging microbial processes to transform mixed plastics of fossil-derived polymers such as PP, PE, PU, PET, and PS, most notably polyesters, in conjunction with potential biodegradable alternatives such as PLA and PHA. Any residual material resistant to enzymatic degradation can be reintroduced into the process loop following appropriate physicochemical treatment.
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