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Phys Rev Lett. 2000 Jan 3;84(1):191-4.

Error thresholds for quasispecies on dynamic fitness landscapes.

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  • 1Institute of Theoretical Physics, Chalmers University of Technology and University of Gothenburg, Gothenburg, Sweden.


In this paper we investigate error thresholds on dynamic fitness landscapes. We show that there exists both a lower and an upper threshold, representing limits to the copying fidelity of simple replicators. The lower bound can be expressed as a correction term to the error threshold present on a static landscape. The upper error threshold is a new limit that only exists on dynamic fitness landscapes. We also show that for long genomes and/or highly dynamic fitness landscapes there exists a lower bound on the selection pressure required for the effective selection of genomes with superior fitness independent of mutation rates, i.e. there are distinct nontrivial limits to evolutionary parameters in dynamic environments.

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