Cited by 76Evolution and Genetic DynamicsRNA and protein synthesis mechanismsOrigins and Evolution of Life

SELECTION FOR FITNESS VERSUS SELECTION FOR ROBUSTNESS IN RNA SECONDARY STRUCTURE FOLDING

Wilke, Claus O.·2001·Evolution

Abstract

I investigate the competition between two quasispecies residing on two disparate neutral networks. Under the assumption that the two neutral networks have different topologies and fitness levels, it is the mutation rate that determines which quasispecies will eventually be driven to extinction. For small mutation rates, I find that the quasispecies residing on the neutral network with the lower replication rate will disappear. For higher mutation rates, however, the faster replicating sequences may be outcompeted by the slower replicating ones if the connection density on the second neutral network is sufficiently high. The analytical results are in excellent agreement with flow-reactor simulations of replicating RNA sequences.

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Crossref · 10.1111/j.0014-3820.2001.tb00756.x

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44 of 44 references verified0 citation errors · 0 not checkable

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  • Too much lethal mutation pushes the population to the extinction threshold and stops self-replication of the protocell.

    “too much lethal mutation push the population to the extinction threshold [15] and the self-replication of proto-cell will stop.”
  • The suggested mechanism solves the error threshold for the second stage, but not for the third stage.

    “The mechanism we suggested solves the error threshold for the second stage, but not for the third stage: too much lethal mutation push the population to the extinction threshold [15] and the self-replication of proto-cell will stop.”

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Authors
Wilke, C. O.
Affiliations
California Institute of Technology (US)
Corresponding author
Wilke, Claus O.
Venue
Evolution
Published
2001-12
Volume
55
Issue
12
Pages
2412-2420
ISSN
  • 0014-3820 (ISSN-L)
  • 1558-5646
OpenAlex
W2241496350
Cited by
76
References
44
Citations by year
2025: 1 · 2024: 1 · 2022: 1 · 2021: 2 · 2020: 1 · 2019: 1 · 2018: 4 · 2017: 4 · 2016: 1 · 2015: 1 · 2014: 1 · 2013: 2 · 2012: 2
FWCI
2.91
Type
journal article
Language
en
Open access
closed
Locations
  • Evolution (publishedVersion)
  • PubMed (publishedVersion)
  • BioOne Complete (BioOne) (submittedVersion)
Funders
National Science Foundation
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Origins and Evolution of Life
Keywords
quasispecies, neutral networks, mutation rate, replication rate, extinction, connection density
MeSH terms
Base Sequence, Molecular Sequence Data, Mutation, Nucleic Acid Conformation, Probability, RNA, Selection, Genetic, Neural Networks, Computer

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