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Updated: Jul 19, 2025
07:44
Measuring Microbial Mutation Rates with the Fluctuation Assay
Published on: November 28, 2019
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Quantifying stochastic establishment of mutants in microbial adaptation
1Institute of Ecology & Evolution, University of Edinburgh, Edinburgh, UK.
Microbiology (Reading, England)
|August 10, 2023
Summary
Chance events, like the initial growth of new genetic variants, are crucial for microbial evolution. New methods allow scientists to quantify this "establishment probability," improving our understanding of adaptation.
Area of Science:
- Microbial evolution
- Genetics
- Population dynamics
Background:
- Studies often focus on selection driving microbial adaptation.
- The role of chance events, specifically genetic variant establishment, is underappreciated.
- Quantifying stochasticity in adaptation is challenging but important.
Conclusions:
- Stochasticity, particularly in the establishment of new variants, plays a critical role in microbial evolution.
- Quantifying establishment probability is now feasible with modern methods.
- Understanding establishment is key for interpreting experiments and controlling microbial evolution.
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