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1240698 
Journal Article 
Response to Comments on "A Bacterium That Can Grow Using Arsenic Instead of Phosphorus" 
Wolfe-Simon, F; Blum, JS; Kulp, TR; Gordon, GW; Hoeft, SE; Pett-Ridge, J; Stolz, JF; Webb, SM; Weber, PK; Davies, PCW; Anbar, AD; Oremland, RS 
2011 
1 
Science
ISSN: 0036-8075
EISSN: 1095-9203 
American Association for the Advancement of Science, 1200 New York Avenue, NW Washington DC 20005 USA 
332 
6034 (Jun 3 
1149. 
WOS:000291205200029 
Concerns have been raised about our recent study suggesting that arsenic (As) substitutes for phosphorus in major biomolecules of a bacterium that tolerates extreme As concentrations. We welcome the opportunity to better explain our methods and results and to consider alternative interpretations. We maintain that our interpretation of As substitution, based on multiple congruent lines of evidence, is viable. 
Indexing in process; 2011)