Redefining DNA: Darwin from the atom up

In a dramatic rewrite of the recipe for life, scientists from Florida today described the design of a new type of DNA with 12 chemical letters instead of the usual four. Presented here at the 237th National Meeting of the American Chemical Society (ACS), this artificial genetic system already is helping to usher in the era of personalized medicine for millions of patients with HIV, hepatitis and other diseases.

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<p><a href="http://www.physorg.com/news157051841.html">Redefining DNA: Darwin from the atom up</a></p> <p>In a dramatic rewrite of the recipe for life, scientists from Florida today described the design of a new type of DNA with 12 chemical letters instead of the usual four. Presented here at the 237th National Meeting of the American Chemical Society (ACS), this artificial genetic system already is helping to usher in the era of personalized medicine for millions of patients with HIV, hepatitis and other diseases.</p>