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Complete Genome of Isoprene Degrading Nocardioides sp. WS12
Review

Molecular Ecology of Isoprene-Degrading Bacteria

1
School of Environmental Sciences, Norwich Research Park, University of East Anglia, Norwich NR4 7TJ, UK
2
School of Life Sciences, University of Essex, Colchester CO4 3SQ, UK
*
Authors to whom correspondence should be addressed.
Microorganisms 2020, 8(7), 967; https://doi.org/10.3390/microorganisms8070967
Received: 29 May 2020 / Revised: 16 June 2020 / Accepted: 25 June 2020 / Published: 27 June 2020
(This article belongs to the Special Issue Microbial Cycling of Atmospheric Trace Gases)
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. View Full-Text
Keywords: climate; BVOC; isoprene; isoprene monooxygenase; isoA; DNA stable-isotope probing climate; BVOC; isoprene; isoprene monooxygenase; isoA; DNA stable-isotope probing
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MDPI and ACS Style

Carrión, O.; McGenity, T.J.; Murrell, J.C. Molecular Ecology of Isoprene-Degrading Bacteria. Microorganisms 2020, 8, 967. https://doi.org/10.3390/microorganisms8070967

AMA Style

Carrión O, McGenity TJ, Murrell JC. Molecular Ecology of Isoprene-Degrading Bacteria. Microorganisms. 2020; 8(7):967. https://doi.org/10.3390/microorganisms8070967

Chicago/Turabian Style

Carrión, Ornella, Terry J. McGenity, and J. C. Murrell 2020. "Molecular Ecology of Isoprene-Degrading Bacteria" Microorganisms 8, no. 7: 967. https://doi.org/10.3390/microorganisms8070967

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