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  • 2018_CiB_Unravel uncultivable pesticide degraders

    Rights statement: This is an Accepted Manuscript of an article published by Taylor & Francis in Critical Reviews in Biotechnology on 01/02/2018, available online: http://www.tandfonline.com/10.1080/07388551.2018.1427697

    Accepted author manuscript, 736 KB, PDF-document

    Embargo ends: 1/02/19

    Available under license: CC BY-NC: Creative Commons Attribution-NonCommercial 4.0 International License

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Critical review on unraveling uncultivable pesticide degraders via stable isotope probing (SIP)

Research output: Contribution to journalJournal article

E-pub ahead of print
<mark>Journal publication date</mark>1/02/2018
<mark>Journal</mark>Critical Reviews in Biotechnology
Number of pages24
<mark>State</mark>E-pub ahead of print
Early online date1/02/18
<mark>Original language</mark>English

Abstract

Uncultivable microorganisms account for over 99% of all species on earth, playing essential roles in ecological processes such as carbon/nitrogen cycle and chemical mineralization. Their functions remain unclear in ecosystems and natural habitats, requiring cutting-edge biotechnologies for a deeper understanding. Stable isotope probing (SIP) incorporates isotope-labeled elements, e.g. 13 C, 18 O or 15 N, into the cellular components of active microorganisms, serving as a powerful tool to link phylogenetic identities to their ecological functions in situ. Pesticides raise increasing attention for their persistence in the environment, leading to severe damage and risks to the ecosystem and human health. Cultivation and metagenomics help to identify either cultivable pesticide degraders or potential pesticide metabolisms within microbial communities, from various environmental media including the soil, groundwater, activated sludge, plant rhizosphere, etc. However, the application of SIP in characterizing pesticide degraders is limited, leaving considerable space in understanding the natural pesticide mineralization process. In this review, we try to comprehensively summarize the fundamental principles, successful cases and technical protocols of SIP in unraveling functional-yet-uncultivable pesticide degraders, by raising its shining lights and shadows. Particularly, this study provides deeper insights into various feasible isotope-labeled substrates in SIP studies, including pesticides, pesticide metabolites, and similar compounds. Coupled with other techniques, such as next-generation sequencing, nanoscale secondary ion mass spectrometry (NanoSIMS), single cell genomics, magnetic-nanoparticle-mediated isolation (MMI) and compound-specific isotope analysis (CSIA), SIP will significantly broaden our understanding of pesticide biodegradation process in situ.

Bibliographic note

This is an Accepted Manuscript of an article published by Taylor & Francis in Critical Reviews in Biotechnology on 01/02/2018, available online: http://www.tandfonline.com/10.1080/07388551.2018.1427697