Cited by 73Gene Regulatory Network AnalysisEvolution and Genetic Dynamicsstochastic dynamics and bifurcation

Adaptive noise

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Viney, Mark, Reece, Sarah E.·2013·Proceedings of the Royal Society B: Biological Sciences

Abstract

In biology, noise implies error and disorder and is therefore something which organisms may seek to minimize and mitigate against. We argue that such noise can be adaptive. Recent studies have shown that gene expression can be noisy, noise can be genetically controlled, genes and gene networks vary in how noisy they are and noise generates phenotypic differences among genetically identical cells. Such phenotypic differences can have fitness benefits, suggesting that evolution can shape noise and that noise may be adaptive. For example, gene networks can generate bistable states resulting in phenotypic diversity and switching among individual cells of a genotype, which may be a bet hedging strategy. Here, we review the sources of noise in gene expression, the extent to which noise in biological systems may be adaptive and suggest that applying evolutionary rigour to the study of noise is necessary to fully understand organismal phenotypes.

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  • In bacterial isogenic variants, although cells contain the same genetic material, their protein levels can vary due to stochastic events associated with gene expression and regulation.

    “In bacterial isogenic variants, although the cells contain the same genetic material, their protein levels can vary due to stochastic events associated with gene expression and regulation [31,32].”

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Authors
Viney, M., & Reece, S. E.
Affiliations
  • University of Bristol (GB)
  • Centre for Immunity, Infection and Evolution (GB)
Corresponding author
Viney, Mark
Venue
Proceedings of the Royal Society B: Biological Sciences
Published
2013-09-22
Volume
280
Issue
1767
Pages
20131104
ISSN
  • 0080-4649 (ISSN-L)
  • 0962-8452
  • 1471-2954
OpenAlex
W4230995230
Cited by
73
References
53
Citations by year
2026: 1 · 2025: 6 · 2024: 2 · 2022: 4 · 2021: 9 · 2020: 2 · 2019: 8 · 2018: 8 · 2017: 5 · 2016: 7 · 2015: 10 · 2014: 8 · 2013: 3
FWCI
0.88
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the Royal Society B Biological Sciences (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Explore Bristol Research (submittedVersion)
  • Bristol Research (University of Bristol) (submittedVersion)
Funders
  • Wellcome Trust (082234, 094462, 095831)
  • Natural Environment Research Council (NE/K006029/1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › stochastic dynamics and bifurcation
Keywords
biological noise, stochastic gene expression, adaptive noise, phenotypic heterogeneity, gene regulatory networks, bistability, bet-hedging
MeSH terms
Biological Evolution, Models, Genetic, Phenotype, Gene Expression, Gene Regulatory Networks, Genetic Fitness

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