Parallel evolutionary dynamics of adaptive diversification in Escherichia coli.

ABSTRACT: The causes and mechanisms of evolutionary diversification are central issues in biology. Geographic isolation is the traditional explanation for diversification, but recent theoretical and empirical studies have shown that frequency-dependent selection can drive diversification without isolation and that adaptive diversification occurring in sympatry may be an important source of biological diversity. However, there are no empirical examples in which sympatric lineage splits have been understood at the genetic level, and it is unknown how predictable this process is-that is, whether similar ecological settings lead to parallel evolutionary dynamics of diversification. We documented the genetic basis and the evolutionary dynamics of adaptive diversification in three replicate evolution expe

SUBMITTER: Herron MD 

PROVIDER: S-EPMC3576414 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature