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Isolation and identification of cobalt and caesium resistant bacteria from a nuclear fuel storage pond.

Dekker, L; Osborne, TH; Santini, JM; (2014) Isolation and identification of cobalt and caesium resistant bacteria from a nuclear fuel storage pond. FEMS Microbiol Lett , 359 (1) pp. 81-84. 10.1111/1574-6968.12562. Green open access

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Abstract

One of the issues facing the nuclear power industry is how to store spent nuclear fuel which is contaminated with radionuclides produced during nuclear fission, including caesium ((134) Cs(+) , (135) Cs(+) and (137) Cs(+) ) and cobalt ((60) Co(2+) ). In this study we have isolated Co(2+) and Cs(+) resistant bacteria from water collected from a nuclear fuel storage pond. The most resistant Cs(+) and Co(2+) isolates grew in the presence of 500 mM CsCl and 3 mM CoCl2 . Strain Cs67-2 is resistant to 4-fold more Cs(+) than Cupriavidus metallidurans str. CH34 making it the most Cs(+) resistant strain identified to date. The Cs(+) resistant isolates were closely related to bacteria in the Serratia and Yersinia genera, while the Co(2+) resistant isolates were closely related to the Curvibacter and Tardiphaga genera. These new isolates could be used for bioremediation. This article is protected by copyright. All rights reserved.

Type: Article
Title: Isolation and identification of cobalt and caesium resistant bacteria from a nuclear fuel storage pond.
Open access status: An open access version is available from UCL Discovery
DOI: 10.1111/1574-6968.12562
Publisher version: http://dx.doi.org/10.1111/1574-6968.12562
Additional information: © 2014 The Authors. FEMS Microbiology Letters published by John Wiley & Sons Ltd on behalf of Federation of European Microbiological Societies. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Keywords: Caesium, Cobalt, Resistance, radionuclide
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Cell and Developmental Biology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Structural and Molecular Biology
URI: https://discovery.ucl.ac.uk/id/eprint/1436937
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