Molecular ecology of isoprene-degrading bacteria

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Carrión, Ornella, McGenity, Terry J. and Murrell, J. Colin (2020) Molecular ecology of isoprene-degrading bacteria. Microorganisms, 8 (7). ISSN 2076-2607

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Abstract

Isoprene is a highly abundant biogenic volatile organic compound (BVOC) that is emitted to the atmosphere in amounts approximating to those of methane. The effects that isoprene has on Earth’s climate are both significant and complex, however, unlike methane, very little is known about the biological degradation of this environmentally important trace gas. Here, we review the mechanisms by which bacteria catabolise isoprene, what is known about the diversity of isoprene degraders in the environment, and the molecular tools currently available to study their ecology. Specifically, we focus on the use of probes based on the gene encoding the α-subunit of isoprene monooxygenase, isoA, and DNA stable-isotope probing (DNA-SIP) alone or in combination with other cultivation-independent techniques to determine the abundance, diversity, and activity of isoprene degraders in the environment. These parameters are essential in order to evaluate how microbes might mitigate the effects of this important but neglected climate-active gas. We also suggest key aspects of isoprene metabolism that require further investigation in order to better understand the global isoprene biogeochemical cycle.

Item Type:	Article
Uncontrolled Keywords:	bvoc,climate,dna stable-isotope probing,isoa,isoprene,isoprene monooxygenase,microbiology,virology,microbiology (medical),sdg 13 - climate action ,/dk/atira/pure/subjectarea/asjc/2400/2404
Faculty \ School:	Faculty of Science > School of Biological Sciences Faculty of Science > School of Environmental Sciences
UEA Research Groups:	Faculty of Science > Research Centres > Centre for Ecology, Evolution and Conservation Faculty of Science > Research Groups > Environmental Biology
Related URLs:	http://www.scopus.com/inward/record.url?... https://www.mdpi.com/2076-2607/8/7/967
Depositing User:	LivePure Connector
Date Deposited:	02 Jul 2020 23:59
Last Modified:	22 Oct 2022 06:25
URI:	https://ueaeprints.uea.ac.uk/id/eprint/75884
DOI:	10.3390/microorganisms8070967

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