Geobacter+metallireducens

//Geobacter metallireducens// is a Gram negative rod shaped anaerobe which derive energy using iron oxide (rust) as a final electron acceptor, leaving behind iron; //Geobacter// species may be responsible for large deposits of magnetite. *expand*

They are of interest for several reasons: they are able to generate electricity by using iron in electrodes as an electron acceptor, for example. They have potential uses in electronics *expand*; they may be used in bioremediation in mine drainage, or in remediation of radioactive uranium, reducing it to a less active form *expand*.

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http://www.time.com/time/specials/packages/article/0,28804,1934027_1934003_1933965,00.html

http://www.nsf.gov/news/special_reports/microbes/eatingradio.jsp

http://www.geobacter.org/

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