Artificial DNA Base Pair Expands Life’s Vocabulary

Scientists have taken another step towards putting two additional letters in the dictionary of life to work.

Researchers at the Scripps Institute have engineered cells to successfully transcribe a brand new artificial DNA base pair and make a never-before-seen protein with it. The breakthrough is part of an effort to expand the library of amino acids that animal cells can work with, potentially leading to the creation of compounds entirely different from those life can produce now.

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