Life, but not as we know it

In May 2007, Dr J. Craig Venter addressed the General Assembly of the International Union of Biological Sciences in Washington DC. He explained that on a quest to create a fully synthetic chromosome and organism, the Venter Institute had sequenced the microbial flora found in the vagina, oral cavity and human gut and created a synthetic version of PhiX 174, a virus that attacks bacteria. He advised that the first prokaryote created from first principles (i.e., from inorganic chemicals rather than by clipping together DNA extracted from other organisms), would be made in his laboratories by April 2008, and that he anticipated the first eukaryote would be manufactured by 2012. The Venter Institute has been able to make these extraordinary advances because of the vast computing power at its disposal (it has the largest non-government computing facility on the planet) and the enormous database of genomic material that it has sequenced – particularly from organisms that the Institute has collected from the Gulf of Mexico. When questioned about the ‘nature of life’ (I asked Dr Venter whether he considered being alive simply a measure of a sufficiently high level of complexity), he replied that he had no idea.

Considerations

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