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Journal Article

Magnetotactic Bacteria

Richard Blakemore
Science
New Series, Vol. 190, No. 4212 (Oct. 24, 1975), pp. 377-379
Stable URL: http://www.jstor.org/stable/1741081
Page Count: 3
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Abstract

Bacteria with motility directed by the local geomagnetic field have been observed in marine sediments. These magnetotactic microorganisms possess flagella and contain novel structured particles, rich in iron, within intracytoplasmic membrane vesicles. Conceivably these particles impart to cells a magnetic moment. This could explain the observed migration of these organisms in fields as weak as 0.5 gauss.

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