Microbial degradation of low-density polyethylene (LDPE) and polystyrene using Bacillus cereus (OR268710) isolated from plastic-polluted tropical coastal environment

Jebashalomi, Vethanayaham; Emmanuel Charles, Partheeban; Rajaram, Rajendran

doi:10.1016/j.scitotenv.2024.171580

Science of The Total Environment

2024

DOI: 10.1016/j.scitotenv.2024.171580

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Microbial degradation of low-density polyethylene (LDPE) and polystyrene using Bacillus cereus (OR268710) isolated from plastic-polluted tropical coastal environment

Vethanayaham Jebashalomi,

Partheeban Emmanuel Charles,

Rajendran Rajaram

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Cited by 4 publications

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Pathway prediction of LDPE degradation using Winogradsky column and bacterial strains from municipal solid wastes

Sridharan,

Kumar,

Veenagayathri

et al. 2024

Int. J. Environ. Sci. Technol.

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Pathway prediction of LDPE degradation using Winogradsky column and bacterial strains from municipal solid wastes

Sridharan,

Kumar,

Veenagayathri

et al. 2024

Int. J. Environ. Sci. Technol.

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Microplastics in the urban water cycle: A critical analysis of issues and of possible (needed?) solutions

Capodaglio

2024

Science of The Total Environment

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Isolation and Identification of Four Strains of Bacteria with Potential to Biodegrade Polyethylene and Polypropylene from Mangrove

Fang,

Cai,

Wang

et al. 2024

Microorganisms

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With the rapid growth of global plastic production, the degradation of microplastics (MPs) has received widespread attention, and the search for efficient biodegradation pathways has become a hot topic. The aim of this study was to screen mangrove sediment and surface water for bacteria capable of degrading polyethylene (PE) and polypropylene (PP) MPs. In this study, two strains of PE-degrading bacteria and two strains of PP-degrading candidate bacteria were obtained from mangrove, named Pseudomonas sp. strain GIA7, Bacillus cereus strain GIA17, Acinetobacter sp. strain GIB8, and Bacillus cereus strain GIB10. The results showed that the degradation rate of the bacteria increased gradually with the increase in degradation time for 60 days. Most of the MP-degrading bacteria had higher degradation rates in the presence of weak acid. The appropriate addition of Mg2+ and K+ was favorable to improve the degradation rate of MPs. Interestingly, high salt concentration inhibited the biodegradation of MPs. Results of scanning electron microscopy (SEM), atomic force microscopy (AFM), and Fourier-transform infrared spectroscopy (FTIR) indicated the degradation and surface changes of PP and PE MPs caused by candidate bacteria, which may depend on the biodegradation-related enzymes laccase and lipase. Our results indicated that these four bacterial strains may contribute to the biodegradation of MPs in the mangrove environment.

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Microbial degradation of low-density polyethylene (LDPE) and polystyrene using Bacillus cereus (OR268710) isolated from plastic-polluted tropical coastal environment

Cited by 4 publications

References 58 publications

Pathway prediction of LDPE degradation using Winogradsky column and bacterial strains from municipal solid wastes

Pathway prediction of LDPE degradation using Winogradsky column and bacterial strains from municipal solid wastes

Microplastics in the urban water cycle: A critical analysis of issues and of possible (needed?) solutions

Isolation and Identification of Four Strains of Bacteria with Potential to Biodegrade Polyethylene and Polypropylene from Mangrove

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