Emergence of information transmission in a prebiotic RNA reactor

Details Emergence of information transmission in a prebiotic RNA reactor Emergence of information transmission in a prebiotic RNA reactor

2011-05-18

arxiv.org/abs/1105.3758v1

Phys. Rev. Lett. 107, 018101 (2011)

Biology

Quantitative Biology

Biomolecules

accepted at Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.107.018101

A poorly understood step in the transition from a chemical to a biological world is the emergence of self-replicating molecular systems. We study how a precursor for such a replicator might arise in a hydrothermal RNA reactor, which accumulates longer sequences from unbiased monomer influx and random ligation. In the reactor, intra- and inter-molecular basepairing locally protects from random cleavage. By analyzing stochastic simulations, we find temporal sequence correlations that constitute a signature of information transmission, weaker but of the same form as in a true replicator.

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