🔬 Science 1d ago · John Timmer

Researchers get two genetic codes to work at the same time

Ars Technica Science
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Researchers get two genetic codes to work at the same time
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The genetic code is what life everywhere uses to convert the information contained in DNA into specific protein sequences. With minor variations, the same genetic code is used by every living thing on Earth, suggesting it was already present in the last common ancestor of all of them. It's not an easy thing to change, because so many things in every cell depend on it.
Nevertheless, some preliminary steps have been taken. Researchers have managed to add some new amino acids to a bacterial cell an

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