Rodrigo, J.F. and Dörfler, U. and Schroll, R. and Esteve-Núñez, A. (2016) Stimulating soil microorganisms for mineralizing the herbicide isoproturon by means of microbial electroremediating cells. Microbial Biotechnology. ISSN 17517915
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Abstract
The absence of suitable terminal electron acceptors (TEA) in soil might limit the oxidative metabolism of environmental microbial populations. Microbial electroremediating cells (MERCs) consist in a variety of bioelectrochemical devices that aim to overcome electron acceptor limitation and maximize metabolic oxidation with the purpose of enhancing the biodegradation of a pollutant in the environment. The objective of this work was to use MERCs principles for stimulating soil bacteria to achieve the complete biodegradation of the herbicide 14C-isoproturon (IPU) to 14CO2 in soils. Our study concludes that using electrodes at a positive potential [+600 mV (versus Ag/AgCl)] enhanced the mineralization by 20-fold respect the electrode-free control. We also report an overall profile of the 14C-IPU metabolites and a 14C mass balance in response to the different treatments. The remarkable impact of electrodes on the microbial activity of natural communities suggests a promising future for this emerging environmental technology that we propose to name bioelectroventing.
| Item Type: | Article |
|---|---|
| Subjects: | Q Science > QD Chemistry Q Science > QR Microbiology |
| Depositing User: | Belén Barroeta |
| Date Deposited: | 19 Feb 2016 08:56 |
| Last Modified: | 12 Apr 2017 07:29 |
| URI: | http://eprints.imdea-agua.org:13000/id/eprint/598 |
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Stimulating soil microorganisms for mineralizing the herbicide isoproturon by means of microbial electroremediating cells. (deposited UNSPECIFIED)
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