May Cyclic Nucleotides Be a Source for Abiotic RNA Synthesis?

Details May Cyclic Nucleotides Be a Source for Abiotic RNA Synthesis? May Cyclic Nucleotides Be a Source for Abiotic RNA Synthesis?

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011oleb...41..559c&link_type=abstract

Origins of Life and Evolution of Biospheres, Volume 41, Issue 6, pp.559-562

Computer Science

Formamide Chemistry, Origin Of Nucleic Bases, Abiotic Rna Polymerization

Scientific paper

Nucleic bases are obtained by heating formamide in the presence of various catalysts. Formamide chemistry also allows the formation of acyclonucleosides and the phosphorylation of nucleosides in every possible position, also affording 2',3' and 3',5' cyclic forms. We have reported that 3',5' cyclic GMP and 3',5' cyclic AMP polymerize in abiotic conditions yielding short oligonucleotides. The characterization of this reaction is being pursued, several of its parameters have been determined and experimental caveats are reported. The yield of non-enzymatic polymerization of cyclic purine nucleotides is very low. Polymerization is strongly enhanced by the presence of base-complementary RNA sequences.

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