The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.
Periphytic biofilm: An innovative approach for biodegradation of microplastics
Abstract
Microplastics (MPs) have been gaining the attention of environmental researchers since the 1960s anecdotal reports of plastic entanglement and ingestion by marine creatures. Due to their increasing accretion in aquatic environments, as well as resistance towards degradation, marine litter research has focused on microplastics more recently. In the present study, a relatively new method of biodegradation was implemented for the biodegradation of three structurally different MPs i.e. polypropylene (PP), polyethylene (PE) and polyethylene terephthalate (PET). Periphytic biofilm was used for this purpose in various backgrounds of carbon sources (glucose, peptone, and glucose and peptone). Biodegradation of MPs was estimated in terms of weight loss. It was observed that the addition of glucose enhanced the biodegradation of MPs by periphyton biofilm for all MPs (from 9.52%-18.02%, 5.95%-14.02% and 13.24-19.72% for PP, PE and PET respectively) after 60 days compared to natural biofilm alone. To the contrary, peptone, and glucose and peptone together, were inhibitory. Biodegradation was further confirmed by morphological changes observed using SEM, FTIR spectra and GPC lent further support to the results whereby new peaks appeared along with reduction in old peaks and decrease in peak intensities. MiSeq sequencing shows that Deinococcus-thermus > Proteobacteria > Cyanobacteria are the dominant phyla in natural biofilms, and their relative abundances increase after the addition of glucose. However, the abundances shifted to Deinococcus-thermus > Cyanobacteria > Firmicutes > Bacteroidetes, when the biofilms were treated with either peptone alone, or with glucose and peptone together. Therefore, the change in biodegradation capability might also be due to the change in the microbial community structures after addition of the C-sources. These experiments provide an innovative approach towards effective biodegradation of MPs using a relatively new environment-friendly method.
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Predictive functional profiling of microbial communities using 16S rRNA marker gene sequences
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The Physical Impacts of Microplastics on Marine Organisms: A Review
Wright, S. L., Thompson, R. C., & Galloway, T. S. (2013) · Environmental Pollution · doi:10.1016/j.envpol.2013.02.031 · Cited by 4,524
Pathways for degradation of plastic polymers floating in the marine environment
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Microplastic pollution in deep-sea sediments
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Biodegradation of polyethylene microplastics by the marine fungus Zalerion maritimum
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Cited by
Microbial degradation of dyes: An overview
Varjani, S., Rakholiya, P., Ng, H. Y., You, S., & Teixeira, J. A. (2020) · Bioresource Technology · doi:10.1016/j.biortech.2020.123728 · Cited by 554
Biofilm-Developed Microplastics As Vectors of Pollutants in Aquatic Environments
Wang, J., Guo, X., & Xue, J. (2021) · Environmental Science & Technology · doi:10.1021/acs.est.1c04466 · Cited by 369
Upcycling and catalytic degradation of plastic wastes
Hou, Q., Zhen, M., Qian, H., Nie, Y., Bai, X., Xia, T., Laiq Ur Rehman, M., Li, Q., & Ju, M. (2021) · Cell Reports Physical Science · doi:10.1016/j.xcrp.2021.100514 · Cited by 335
Detection and removal of microplastics in wastewater: evolution and impact
Dey, T. K., Uddin, M. E., & Jamal, M. (2021) · Environmental Science and Pollution Research · doi:10.1007/s11356-021-12943-5 · Cited by 284
Matjašič, T., Simčič, T., Medvešček, N., Bajt, O., Dreo, T., & Mori, N. (2021) · Science of The Total Environment · doi:10.1016/j.scitotenv.2020.141959 · Cited by 229
Metadata
- Authors
- Shabbir, S., Faheem, M., Ali, N., Kerr, P. G., Wang, L.-F., Kuppusamy, S., & Li, Y.
- Venue
- Science of The Total Environment
- Publisher
- Elsevier BV
- Published
- 2020-05
- Volume
- 717
- Pages
- 137064
- ISSN
- 0048-9697 (ISSN-L)
- OpenAlex
- W3003563329
- Cited by
- 246
- References
- 7
- FWCI
- 6.99
- Type
- journal article
- Language
- en
- Open access
- closed
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- Shabbir, S., Faheem, M., Ali, N., Kerr, P. G., Wang, L.-F., Kuppusamy, S., & Li, Y. (2020). Periphytic biofilm: An innovative approach for biodegradation of microplastics. Science of The Total Environment. https://doi.org/10.1016/j.scitotenv.2020.137064
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