An RNA replicase ribozyme has long been sought by chemists interested in the origin of life. Now, a selection strategy employing a low-temperature water–ice mixture as the medium has led to discovery of a ribozyme that can catalyse polymerization of an RNA chain greater than its own length.
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Lehman, N. Cold-hearted RNA heats up life. Nature Chem 5, 987–989 (2013). https://doi.org/10.1038/nchem.1811
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DOI: https://doi.org/10.1038/nchem.1811
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