Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 402, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.hazmat.2020.123534
Keywords
Bacterial degradation; Fungal degradation; Microbial enzymes; Plastic additives
Categories
Funding
- Mexican Council for Science and Technology (CONACyT) [1549]
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This review explores the microbial degradation of plastic additives, highlighting the importance of advances in genomics, proteomics, and other biotechnological strategies to enhance enzymatic degradation efficiency. It also suggests further research directions to accelerate the biodegradation process of plastic additives.
Plastic additives are present as pollutants in the environment because they are released from plastics and have been reported to be toxic to mammals. Due to this toxicity, it is crucial to develop ecofriendly tools to decon-taminate the environment. Microorganisms are a promising alternative for efficient and effective plastic additive removal. This review describes the current knowledge and significant advances in the microbial degradation of plastic additives (i.e. plasticizers, flame retardants, stabilizers and antioxidants) and biotechnological research strategies that are being used to accelerate the biodegradation process of these additives. It is expected that further research supported by advances in genomics, proteomics, gene expression, enzyme immobilization, protein design, and nanotechnology can substantially increase our knowledge to enhance the enzymatic degradation efficiency, which will accelerate plastic additive degradation and establish successful and costeffective bioremediation processes. Investigations should also address the identification of the enzymes involved in the degradation process and their catalytic mechanisms to achieve full metabolization of organopollutants (i.e. plastic additives) while avoiding harmful plastic additive biodegradation products. Microorganisms and their enzymes undoubtedly represent a potential resource for developing promising environmental biotechnologies, as they have the best systems for pollutant degradation, and their actions are essential for decontaminating the environment.
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