Cited by 58Evolution and Genetic DynamicsLanguage and cultural evolutionPhilosophy and History of Science

Microbial experimental evolution

Bennett, Albert F., Hughes, Bradley S.·2009·American Journal of Physiology-Regulatory, Integrative and Comparative Physiology

Abstract

Microbes have been widely used in experimental evolutionary studies because they possess a variety of valuable traits that facilitate large-scale experimentation. Many replicated populations can be cultured in the laboratory simultaneously along with appropriate controls. Short generation times and large population sizes make microbes ideal experimental subjects, ensuring that many spontaneous mutations occur every generation and that adaptive variants can spread rapidly through a population. Another highly useful experimental feature is the ability to preserve and store ancestral and evolutionarily derived clones. These can be revived in parallel to allow the direct measurement of the competitive fitness of a descendant compared with its ancestor. The extent of adaptation can thereby be measured quantitatively and compared statistically by direct competition among derived groups and with the ancestor. Thus, fitness and adaptation need not be matters of qualitative speculation, but are quantitatively measurable variables in these systems. Replication allows the quantification of heterogeneity in responses to imposed selection and thereby statistical distinction between changes that are systematic responses to the selective regimen and those that are specific to individual populations.

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Registry

Crossref · 10.1152/ajpregu.90562.2008

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56 of 56 references verified0 citation errors · 0 not checkable

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  • Computational models are well-suited to study evolutionary change on the population level, whereas in silico evolution of artificial cells that include simulated regulatory networks is currently very limited.

    “Computational models are well-suited to study evolutionary change on the population level, whereas in silico evolution of artificial cells that include simulated regulatory networks are currently very limited [21].”

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Authors
Bennett, A. F., & Hughes, B. S.
Affiliations
University of California, Irvine (US)
Venue
American Journal of Physiology-Regulatory, Integrative and Comparative Physiology
Published
2009-07
Volume
297
Issue
1
Pages
R17-R25
ISSN
  • 0363-6119 (ISSN-L)
  • 1522-1490
OpenAlex
W2148332466
Cited by
58
References
57
Citations by year
2026: 5 · 2025: 2 · 2024: 5 · 2023: 4 · 2022: 5 · 2021: 5 · 2020: 4 · 2019: 3 · 2018: 6 · 2016: 5 · 2015: 2 · 2014: 3 · 2013: 5 · 2012: 2
FWCI
0.13
Type
journal article
Language
en
Open access
closed
Locations
  • American Journal of Physiology-Regulatory, Integrative and Comparative Physiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
  • Social Sciences › Cultural Studies › Language and cultural evolution
  • Social Sciences › Arts and Humanities › History and Philosophy of Science › Philosophy and History of Science
Keywords
experimental evolution, population genetics, fitness measurement, adaptation, competitive fitness, parallel evolution, replication, spontaneous mutation
MeSH terms
Adaptation, Physiological, Environment, Gene Expression Regulation, Genetics, Microbial, Genotype, Hydrogen-Ion Concentration, Microbiological Techniques, Mutation, Phenotype, Population Density, Reproduction, Selection, Genetic, Time Factors, Reproducibility of Results, Cryopreservation, Evolution, Molecular, Biomedical Research

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