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Abstract

A capillary tube was developed in which an inoculum of magnetotactic bacteria that contained only a few contaminants could be separated from crude sediment in a few minutes. Sterile fluid was placed on one side of a wetted cotton plug and sediment was placed on the other side. Magnetotactic bacteria migrated quickly through the cotton toward the south pole of a stirring-bar magnet placed at the closed end of the capillary. Protozoa and chemotactic bacteria were significantly delayed in passage through the cotton.

Magnetotactic bacterium, Magnetic field, Motility, (Isolation method)

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© 1987 Federation of European Microbiological Societie
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