Fold or hold: experimental evolution in vitro.

Fold or hold: experimental evolution in vitro.
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DOI:
10.1111/jeb.12233
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发表时间:
2013-10
影响因子:
2.1
通讯作者:
Bridgett SJ
Bridgett SJ
中科院分区:
生物学3区
文献类型:
--
作者:
Collins S;Rambaut A;Bridgett SJ

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我们介绍了一个系统的实验进化组成的人口的短寡核苷酸(Oli人口)的改进的定量聚合酶链反应(qPCR)的演变。它在遗传、基因组、表型和适应性水平上是易于处理的。Oli系统使用DNA发夹,设计用于形成在特定条件下自启动的结构。选择作用于自吸的表型,之后使用qPCR扩增和定量适应性的差异。我们在这里概述了Oli系统的方法和生物信息学工具,并证明它可以作为一个传统的实验进化模型系统,通过在不同环境变化率下的适应性进化实验中对其进行测试。
We introduce a system for experimental evolution consisting of populations of short oligonucleotides (Oli populations) evolving in a modified quantitative polymerase chain reaction (qPCR). It is tractable at the genetic, genomic, phenotypic and fitness levels. The Oli system uses DNA hairpins designed to form structures that self-prime under defined conditions. Selection acts on the phenotype of self-priming, after which differences in fitness are amplified and quantified using qPCR. We outline the methodological and bioinformatics tools for the Oli system here and demonstrate that it can be used as a conventional experimental evolution model system by test-driving it in an experiment investigating adaptive evolution under different rates of environmental change.
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