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The synthetic minimal cell would enable the production of materials too large or otherwise incompatible with the more elaborate functioning systems of a complex cell. It also represents our best shot at a general nanotech assembler, the dream of Eric Drexler and many nanotechnology enthusiasts since he first described it in his 1986 book Engines of Creation. We could then harness these synthetic minimal cells and put them to use in drug, vaccine, chemical, and biofuel development.
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George M. Church (Regenesis: How Synthetic Biology Will Reinvent Nature and Ourselves)