The Cold Origin of Life: B. Implications Based on Pyrimidines and Purines Produced From Frozen Ammonium Cyanide Solutions
- Cite this article as:
- Miyakawa, S., Cleaves, H.J. & Miller, S.L. Orig Life Evol Biosph (2002) 32: 209. doi:10.1023/A:1019514022822
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A wide variety of pyrimidines and purineswere identified as products of a dilute frozen ammoniumcyanide solution that had been held at –78°C for 27 years.This demonstrates that both pyrimidines and purines couldhave been produced on the primitive earth in a short time byeutectic concentration of HCN, even though the concentrationof HCN in the primitive ocean may have been low. We suggestthat eutectic freezing is the most plausible demonstratedmechanism by which HCN polymerizations could have producedbiologically important prebiotic compounds.