Friday, December 3, 2010

A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus

The title pretty much says it all. The bacterium GFAJ-1, hailing from Mono Lake, CA, has been persuaded to substitute arsenic for phosphorus to sustain growth. This is potentially major in terms of biochem/life on Earth and elsewhere in the universe. Not strictly anthro-based, but very cool and extremely relevant to molecular evolution.

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