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Arsenic replaces phosphorus!

posted Dec 15, 2010, 6:52 PM by Leanne Harris Dyksterhuis
Researchers in the United States have isolated a bacterium from Mono Lake in California which grows in the presence of high concentrations of arsenic.  The researchers showed that the strain GFAJ-1 of the Halomonadaceae substitutes arsenic for phosphorus in nucelic acids and proteins.  The article is available at the Science journal website.