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Insights into microbial diversity on plastisphere by multi-omics

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Abstract

Plastic pollution is a major concern in marine environment as it takes many years to degrade and is one of the greatest threats to marine life. Plastic surface, referred to as plastisphere, provides habitat for growth and proliferation of various microorganisms. The discovery of these microbes is necessary to identify significant genes, enzymes and bioactive compounds that could help in bioremediation and other commercial applications. Conventional culture techniques have been successful in identifying few microbes from these habitats, leaving majority of them yet to be explored. As such, to recognize the vivid genetic diversity of microbes residing in plastisphere, their structure and corresponding ecological roles within the ecosystem, an emerging technique, called metagenomics has been explored. The technique is expected to provide hitherto unknown information on microbes from the plastisphere. Metagenomics along with next generation sequencing provides comprehensive knowledge on microbes residing in plastisphere that identifies novel microbes for plastic bioremediation, bioactive compounds and other potential benefits. The following review summarizes the efficiency of metagenomics and next generation sequencing technology over conventionally used methods for culturing microbes. It attempts to illustrate the workflow mechanism of metagenomics to elucidate diverse microbial profiles. Further, importance of integrated multi-omics techniques has been highlighted in discovering microbial ecology residing on plastisphere for wider applications.

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(adapted from Eriksen et al. 2014)

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Acknowledgements

The authors acknowledge Mr. Namit Dey’s contribution towards language and grammar.

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This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

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Correspondence to Deenan Santhiya.

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Communicated by Erko Stackebrandt.

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Tiwari, N., Bansal, M., Santhiya, D. et al. Insights into microbial diversity on plastisphere by multi-omics. Arch Microbiol 204, 216 (2022). https://doi.org/10.1007/s00203-022-02806-z

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  • DOI: https://doi.org/10.1007/s00203-022-02806-z

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