Current Advances in Biodegradation of Polyolefins

被引:27
|
作者
Zhang, Ni [1 ,2 ,3 ]
Ding, Mingzhu [1 ,2 ,3 ]
Yuan, Yingjin [1 ,2 ,3 ]
机构
[1] Tianjin Univ, Frontier Sci Ctr Synthet Biol, Tianjin 300072, Peoples R China
[2] Tianjin Univ, Key Lab Syst Bioengn, Minist Educ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
[3] Tianjin Univ, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300072, Peoples R China
关键词
polyolefins; polyethylene; biodegradation; artificial microbial consortia; HIGH-DENSITY POLYETHYLENE; IMPACT POLYSTYRENE HIPS; FUNCTIONAL-CHARACTERIZATION; PRETREATED POLYPROPYLENE; MICROBIAL-DEGRADATION; YARROWIA-LIPOLYTICA; BACTERIAL STRAINS; BIOFILM FORMATION; LACCASE; PSEUDOMONAS;
D O I
10.3390/microorganisms10081537
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
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.
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页数:16
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