Synthesis of RNA oligomers on heterogeneous templates (original) (raw)

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• Published: 18 January 1996

Nature volume 379, pages 238–240 (1996)Cite this article

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Abstract

THE concept of an RNA world1,2 in the chemical origin of life is appealing, as nucleic acids are capable of both information storage and acting as templates that catalyse the synthesis of complementary molecules3. Template-directed synthesis has been demonstrated for homogeneous oligonucleotides that, like natural nucleic acids, have 3′,5′ linkages between the nucleotide monomers4–7. But it seems likely that prebiotic routes to RNA-like molecules would have produced heterogeneous molecules with various kinds of phosphodiester linkages and both linear and cyclic nucleotide chains. Here we show that such heterogeneity need be no obstacle to the templating of complementary molecules. Specifically, we show that heterogeneous oligocytidylates, formed by the montmorillonite clay-catalysed condensation of actuated monomers, can serve as templates for the synthesis of oligoguanylates. Furthermore, we show that oligocytidylates that are exclusively 2′,5′-linked can also direct synthesis of oligoguanylates. Such heterogeneous templating reactions could have increased the diversity of the pool of protonucleic acids from which life ultimately emerged.

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Authors and Affiliations

1. Department of Chemistry, Rensselaer Polytechnic Institute, Troy, New York, 12180, USA
   Gözen Ertem & James P. Ferris

Authors

1. Gözen Ertem
2. James P. Ferris

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Ertem, G., Ferris, J. Synthesis of RNA oligomers on heterogeneous templates.Nature 379, 238–240 (1996). https://doi.org/10.1038/379238a0

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• Received: 17 July 1995
• Accepted: 06 December 1995
• Issue date: 18 January 1996
• DOI: https://doi.org/10.1038/379238a0

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