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Science 30 March 1979:
Vol. 203. no. 4387, pp. 1355 - 1356
DOI: 10.1126/science.203.4387.1355
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Articles

Magnetite in Freshwater Magnetotactic Bacteria

RICHARD B. FRANKEL 1, RICHARD P. BLAKEMORE 2, and RALPH S. WOLFE 3

1 Francis Bitter National Magnet Laboratory, Massachusetts Institute of Technology, Cambridge 02139
2 Department of Microbiology, University of New Hampshire, Durham 03824
3 Department of Microbiology, University of Illinois, Urbana 61801

A previously undescribed magnetotactic spirillum isolated from a freshwater swamp was mass cultured in the magnetic as well as the nonmagnetic state in chemically defined culture media. Results of Mossbauer spectroscopic analysis applied to whole cells identifies magnetite as a constituent of these magnetic bacteria.

Submitted on October 26, 1978
Revised on November 27, 1978


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