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Characterisation and growth of magnetotactic bacteria: implication to clean up of environmental pollution

Bahaj, A. S., James, P.A.B., Ellwood, D.C. and Watson, J.H.P. (1993) Characterisation and growth of magnetotactic bacteria: implication to clean up of environmental pollution Journal of Applied Physics, 73, (10), pp. 5394-5396. (doi:10.1063/1.353743).

Record type: Article


Magnetotactic bacteria possess a magnetic moment due the presence of membrane bounded crystals of magnetite, (Fe3O4) called magnetosomes within their structure. Through manipulation in an applied magnetic field it is possible to determine the size, speed, and magnetic moment of individual bacteria, and hence an average for a culture. Variations in these characteristics with growth have been measured, indicating the suitability of this particular magnetic spirillum for metal loading. A correlation between the increase in magnetic moment and iron uptake of this bacterium leads us to propose a new mechanism for the biomineralization of magnetite. This paper describes the characterization of a magnetotactic spirillum and the implications these results have for its use in the clean up of environmental pollution.

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Published date: 1993


Local EPrints ID: 74019
ISSN: 0021-8979
PURE UUID: 3d390192-f482-41f0-bace-7867efa178f8
ORCID for A. S. Bahaj: ORCID iD

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:47

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Author: A. S. Bahaj ORCID iD
Author: P.A.B. James
Author: D.C. Ellwood
Author: J.H.P. Watson

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