Culture medium and conditions for growth of magnetic bacteria

Details Culture medium and conditions for growth of magnetic bacteria Culture medium and conditions for growth of magnetic bacteria

1983-04-22

1984-06-05

Jones, Raymond N.

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

Bacteria or actinomycetales; media therefor

435168, 435822, C12N 122, C12P 300, C12R 101

Patent

active

044528965

ABSTRACT:
A biologically pure culture of a bacterium of the genus Aquaspirillum, designated MS-1, has been found to contain chains (so-called magnetosomes) of single domain magnetite particles. The magnetite particles are roughly cubic and are about 500 .ANG. on a side. Each of the chains contains approximately 20 magnetite particles. These magnetite particles can be recovered from the bacterium and usefully employed in magnetic recording devices and the like. The biologically pure culture of the magnetic bacterium may be grown in a low oxygen environment and on a nutrient medium containing ferric quinate.

REFERENCES:
Frankel, R. B. et al., `Magnetite in Freshwater Magnetotactic Bacteria`, Science, vol. 203, Mar. 30, 1979, pp. 1355-1356.
Blakemore, R., "Magnetotactic Bacteria", Science, vol. 190, Oct. 24, 1975; pp. 377-379.
Blakemore, R. P. et al., Journal of Bacteriology, vol. 140, Nov. 1979, pp. 720-729.

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