MicrobeWorld

TWiM #32: Not the shadow biosphere

Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter, and Rosie Redfield.

Vincent, Elio and Michael speak with Rosie Redfield about her evidence that a bacterium cannot grow on arsenic instead of phosphorus.

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Links for this episode:

• Bacterium growing on arsenic instead of phosphorus (Science)
• Comment on arsenic bacterium paper (Science)
• Absence of arsenate manuscript (arXiv)
• Rosie Redfield's blog
• Theory and measurement of bacterial growth (pdf)

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