Comment on "A bacterium that can grow by using arsenic instead of phosphorus" |
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Authors: | Cotner James B Hall Edward K |
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Affiliation: | The Westheimer Institute for Science and Technology, 720 South 2nd Avenue, Gainesville, FL 32601, USA. sbenner@ffame.org |
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Abstract: | Wolfe-Simon et al. (Research Articles, 3 June 2011, p. 1163; published online 2 December 2010) reported that bacterium GFAJ-1 can substitute arsenic for phosphorus in its macromolecules, including DNA and proteins. If such arseno-DNA exists, then much of the past century of work with arsenate and phosphate chemistry, as well as much of what we think we know about metabolism, will need rewriting. |
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