Arsenic-Eating Bacteria Still Prefers Phosphorous
Despite this taste for arsenic, the authors also reported, the GFAJ-1 strain grew considerably better when provided with phosphorus, so in some ways they still prefer a phosphorus diet. Dr. Joyce, from his reading of the paper, concurred, pointing out that there was still some phosphorus in the bacterium even after all its force-feeding with arsenic. He described it as “clinging to every last phosphate molecule, and really living on the edge.”
Dr. Joyce added, “I was feeling sorry for the bugs.”
So they’re not aliens?
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