Scientist does "origami" folding with DNA

Paul Rothemund of the California Institute of Technology in Pasadena , who described his DNA origami in the latest edition of the journal Nature, has constructed DNA objects as diverse as a triangle, five-pointed star, a smiley face and a tiny map of the Americas smaller than a typical bacterium.

"A biologist might use DNA origami to take proteins which normally occur separately in nature, and organize them into a multi-enzyme factory that hands a chemical product from one enzyme machine to the next in the manner of an assembly line," said Rothemund.

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