Slipping in extra benzene rings creates a broader DNA double helix that is similar to, but different from, natural DNA. Importantly, it can encode more genetic information — and that could have wide implications.
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Leconte, A., Romesberg, F. A broader take on DNA. Nature 444, 553–555 (2006). https://doi.org/10.1038/444553a
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DOI: https://doi.org/10.1038/444553a
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