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Life uses 4 DNA letters. Scientists just made 8 work

All Top News -- ScienceDaily Sep 5, 2026 · 5:25 AM 👁 0 views ❤ 0 likes

Researchers at UC San Diego have demonstrated that a key cellular enzyme can accurately read an eight-letter genetic alphabet, doubling the four letters used by all known life on Earth. Detailed imaging revealed that RNA polymerase handles synthetic DNA letters in surprisingly similar ways to natural ones. The finding brings scientists closer to building expanded genetic systems that could perform entirely new biological functions.

Read full story at All Top News -- ScienceDaily ↗

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