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Experimental Evolution and Resequencing Analysis of Yeast
Celia Payen1, Maitreya J Dunham2
1Department of Genome Sciences, University of Washington, Seattle, WA, 98195, USA.
Methods in Molecular Biology (Clifton, N.J.)
|October 21, 2015
Summary
This study presents a protocol for experimental evolution in yeast using chemostats. It details methods for tracking genetic adaptation and identifying beneficial mutations through whole genome sequencing.
Area of Science:
- Microbiology and Evolutionary Biology
- Genomics and Molecular Biology
Background:
- Experimental evolution is crucial for understanding microbial adaptation and trait development under selective pressures.
- High-throughput sequencing enables comprehensive genome-wide mutation identification during evolutionary experiments.
Purpose of the Study:
- To provide a detailed protocol for conducting experimental evolution in yeast using chemostats.
- To integrate fitness measurement and whole genome sequencing for analyzing evolved strains.
Main Methods:
- Utilizing chemostats for controlled experimental evolution of yeast populations.
- Implementing fitness assays to quantify the adaptive success of evolved strains.
- Performing whole genome sequencing on samples collected throughout the experiment.
Main Results:
- The protocol allows for the identification of specific mutations selected during experimental evolution.
- Fitness measurements correlate with observed genetic changes, validating the evolutionary trajectory.
- The method is adaptable to various experimental designs, sample sizes, and sequencing platforms.
Conclusions:
- This protocol offers a robust framework for studying yeast adaptation and evolution.
- It facilitates the discovery of novel traits and the underlying genetic mechanisms.
- The integrated approach streamlines the analysis of evolutionary dynamics.
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