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"Marine Magnetotactic Bacteria"

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Dr. Katrina Edwards, WHOI, Marine Chemistry and Geochemistry Department
Dr. Edwards’ research interests include the role of microorganisms in mediating the rates and mechanisms of rock, mineral, and organic matter transformations, and in particular the effects of bacterial films on rocks. This talk was about the discovery of bacteria responsive to the earth’s magnetic field, their abundance and behavior, their ecological niches and importance. Included was a demonstration of how to isolate magnetotactic bacteria from a local marsh and stimulate them to move directionally in response to an external magnetic field.

Web-based Resources

American Society for Microbiology (web pages on different microbes)

Michigan State University web site, "Microbes in the News"

Michigan State University Microbe Zoo

Microbe Zoo — curious microbe piece on magnetotactic bacteria

Utah Elementary Science Teacher Resource Book, 6th grade level and background and experiments with microorganisms, and intended outcomes

Woodrow Wilson Teachers Activity on Magnetotactic Bacteria and Natural Selection

Dr. John F. Stolz, Hunt for Magnetotactic Bacteria

Marine Biological Laboratory (information on microbes with magnetotactic bacteria to come)

Magnetic Microbes, from the Digital Learning Center for Microbial Ecology

Spirilla and Magnetospirillum
Information excerpted from:
Microbiology: Dynamics and Diversity
Jerome J. Perry and James T. Staley
Saunders College Publishing, 1997

Magnetite in Freshwater Magnetotactic Bacteria
Frankel, R.B., R.P. Blakemore, and R.S. Wolfe
In: Science, Vol. 203, 30 March 1979

Magnetotactic Bacteria
Blakemore, R.
In: Science, New Series, Volume 190, Issue 4212 (Oct. 24, 1975), pp. 377-379

Magnetotactic Bacteria
Blakemore, R.P.
In: Ann. Rev Microbiol., Vol. 36, pp. 217-238 1982

Investigating the Uses of Backyard Bacteria, from Access Excellence @ the national Health Museum

Earth's Magnetic Field (Magnetosphere), from NASA

Studying Living Organisms: Using Magnetotactic Bacteria to Study Natural Selection, from Access Excellence @ the National Health Museum

Last updated: June 24, 2014

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