Issue Date: January 31, 2010
More On Arsenic
We read with interest the C&EN coverage of a recent report in Science of a bacterium that thrives in an arsenic environment and the subsequent controversy regarding claims of arsenic replacing phosphorus in the organism’s DNA (C&EN, Dec. 6, 2010, page 36, and Dec. 13, 2010, page 7). We agree with the tone of the C&EN article suggesting that a deeper look is required before such claims can be justified. We . . .
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