Amplification of Diverse Catalytic Properties of Evolving Molecules in a Simulated Hydrothermal Environment

Details Amplification of Diverse Catalytic Properties of Evolving Molecules in a Simulated Hydrothermal Environment Amplification of Diverse Catalytic Properties of Evolving Molecules in a Simulated Hydrothermal Environment

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003oleb...33..589y&link_type=abstract

Origins of Life and Evolution of the Biosphere, v. 33, Issue 6, p. 589-595 (2003).

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We observed chemical evolution in a mixture of four amino acids, glycine, L-alanine, L-valine and L-aspartic acid, circulated through a flow reactor simulating the thermodynamic conditions of a hydrothermal environment. These monomers form peptides with tertiary structures and potential catalytic functions. The HPLC profile of synthesized oligomers varied with each particular run, but the products were found to separate into distinct clusters when more than one hundred runs were compared statistically. This observation suggests that chemical evolution on the early Earth had stochastic aspects that must be understood in order to develop useful models of prebiotic evolution.

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