Dec
2
…when the microbe was grown on arsenic did the arsenic actually became incorporated into the organisms’ vital biochemical machinery, such as DNA, proteins and the cell membranes. …
The team chose to explore Mono Lake because of its unusual chemistry, especially its high salinity, high alkalinity, and high levels of arsenic. This chemistry is in part a result of Mono Lake’s isolation from its sources of fresh water for 50 years.
NASA-Funded Research Discovers Life Built With Toxic Chemical