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Current Advances in Biodegradation of Polyolefins

2022; Multidisciplinary Digital Publishing Institute; Volume: 10; Issue: 8 Linguagem: Inglês

10.3390/microorganisms10081537

2076-2607

Ni Zhang, Ming‐Zhu Ding, Ying‐Jin Yuan,

Microbial bioremediation and biosurfactants

Polyolefins, including polyethylene (PE), polypropylene (PP) and polystyrene (PS), are widely used plastics in our daily life. The excessive use of plastics and improper handling methods cause considerable pollution in the environment, as well as waste of energy. The biodegradation of polyolefins seems to be an environmentally friendly and low-energy consumption method for plastics degradation. Many strains that could degrade polyolefins have been isolated from the environment. Some enzymes have also been identified with the function of polyolefin degradation. With the development of synthetic biology and metabolic engineering strategies, engineered strains could be used to degrade plastics. This review summarizes the current advances in polyolefin degradation, including isolated and engineered strains, enzymes and related pathways. Furthermore, a novel strategy for polyolefin degradation by artificial microbial consortia is proposed, which would be helpful for the efficient degradation of polyolefin.