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Molecular Evolution of the Tre Recombinase
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Anomalous percolation features in molecular evolution.

P Zimmer1, K Kruse2, J Nagler3

  • 1Theoretical Physics, Saarland University, P.O. Box 151150, 66041 Saarbrücken, Germany.

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|September 27, 2018
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Summary
This summary is machine-generated.

This study revisits a model of molecular evolution, finding anomalous percolation features in self-replicating molecules. The research highlights competition between ligation and autocatalysis in the emergence of molecular life.

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Area of Science:

  • Origin of Life Studies
  • Chemical Kinetics
  • Statistical Physics

Background:

  • Self-replication is fundamental to all life, requiring autocatalysis for molecular origins.
  • Previous models explored molecular evolution with competing ligation and autocatalysis.

Purpose of the Study:

  • To re-examine a model of molecular evolution involving self-replicating molecules.
  • To investigate the transition from small molecules to macromolecules via irreversible aggregation.
  • To identify anomalous percolation phenomena within this model.

Main Methods:

  • Revisiting a previously established model of molecular evolution.
  • Analyzing the competition between spontaneous ligation and autocatalysis for molecular building blocks.
  • Studying irreversible aggregation and its impact on molecular size distribution.

Main Results:

  • Observed an array of anomalous percolation features.
  • Identified a transition from small molecules to macromolecules driven by aggregation.
  • Found phenomena consistent with predictions for specific percolation processes.

Conclusions:

  • The model exhibits complex percolation behavior during molecular evolution.
  • Anomalous percolation features emerge from the interplay of aggregation and self-replication.
  • This work contributes to understanding the physical basis of molecular self-organization.