The prebiotic synthesis of modified purines and their potential role in the RNA world

Matthew Levy, Stanley L. Miller

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Modified purines are found in all organisms in the tRNA, rRNA, and even DNA, raising the possibility of an early role for these compounds in the evolution of life. These include N6-methyladenine, 1-methyladenine, N6,N6- dimethyladenine, 1-methylhypoxanthine, 1-methylguanine, and N2- methylguanine. We find that these bases as well as a number of nonbiological modified purines can be synthesized from adenine and guanine by the simple reaction of an amine or an amino group with adenine and guanine under the concentrated conditions of the drying-lagoon or drying-beach model of prebiotic synthesis with yields as high as 50%. These compounds are therefore as prebiotic as adenine and guanine and could have played an important role in the RNA world by providing additional functional groups in ribozymes, especially for the construction of hydrophobic binding pockets.

Original languageEnglish (US)
Pages (from-to)631-637
Number of pages7
JournalJournal of Molecular Evolution
Volume48
Issue number6
DOIs
StatePublished - 1999
Externally publishedYes

Fingerprint

Prebiotics
Purines
guanine
Guanine
Adenine
prebiotics
adenine
purines
RNA
synthesis
Drying
drying
functional group
lagoon
Catalytic RNA
beach
Beaches
Transfer RNA
amines
DNA

Keywords

  • Prebiotic synthesis
  • Purines
  • RNA world

ASJC Scopus subject areas

  • Genetics
  • Biochemistry
  • Biochemistry, Genetics and Molecular Biology(all)
  • Genetics(clinical)
  • Ecology, Evolution, Behavior and Systematics
  • Molecular Biology
  • Agricultural and Biological Sciences(all)
  • Agricultural and Biological Sciences (miscellaneous)

Cite this

The prebiotic synthesis of modified purines and their potential role in the RNA world. / Levy, Matthew; Miller, Stanley L.

In: Journal of Molecular Evolution, Vol. 48, No. 6, 1999, p. 631-637.

Research output: Contribution to journalArticle

Levy, Matthew ; Miller, Stanley L. / The prebiotic synthesis of modified purines and their potential role in the RNA world. In: Journal of Molecular Evolution. 1999 ; Vol. 48, No. 6. pp. 631-637.
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