Understanding challenges associated with plastic and bacterial approach toward plastic degradation

Plastic is widely used in every sector due to its stability, durability, and low cost. The widespread use of plastic results in the compilation of plastic waste in the environment. The buildup of such a vast volume of plastic garbage has emerged as the primary cause of environmental pollution, inclu...

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Bibliographic Details
Published in:Journal of basic microbiology 2023-03, Vol.63 (3-4), p.292-307
Main Authors: Sharma, Hemlata, Neelam, Deepesh K.
Format: Article
Language:English
Subjects:
Bacteria - metabolism
biodegradation
Biodegradation, Environmental
degradation methods
enzymes
Humans
microbes
plastic
Plastics - chemistry
Pseudomonas aeruginosa - metabolism
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Summary:Plastic is widely used in every sector due to its stability, durability, and low cost. The widespread use of plastic results in the compilation of plastic waste in the environment. The buildup of such a vast volume of plastic garbage has emerged as the primary cause of environmental pollution, including air, land, and water pollution. Plastics contain various harmful chemicals and toxic substances that can leak and adversely affect humans and other organisms. Managing this much plastic waste is a very challenging task; therefore, an appropriate technique is needed to address this problem. Various methods are used, such as chemical, physical, and biological, to degrade plastic waste. Bacterial degradation is known to be the most effective technique for the biodegradation approach to overcome this issue. Biodegradation has played a crucial role in removing these polluting wastes more efficiently and eco‐friendly. The process of biodegradation involves a variety of bacteria, such as Acinetobacter baumannii, Bacillus weihenstephanensis, Pseudomonas aeruginosa, Pseudomonas fluorescens, Rhodococcus ruber, and so on. Biodegradation of plastic takes place through various biochemical pathways, including biodeterioration, biofragmentation, assimilation, and mineralization. During biodegradation, bacteria produce enzymes like esterase, cutinase, laccase, lipase, and others that break down and transform plastic polymers into microbial biomass and gases. This review aims to explain how bacteria contribute to the breakdown of plastic.
ISSN:0233-111X
1521-4028
DOI:10.1002/jobm.202200428