Article
Replaying Evolution to Test the Cause of Extinction of One Ecotype in an Experimentally Evolved Population.
PloS one - 1 Jan 2015
Turner Caroline B, Blount Zachary D, Lenski Richard E
Abstract excerpt
In a long-term evolution experiment with Escherichia coli, bacteria in one of twelve populations evolved the ability to consume citrate, a previously unexploited resource in a glucose-limited medium. This innovation led to the frequency-dependent coexistence of citrate-consuming (Cit+) and non-consuming (Cit-) ecotypes, with Cit-bacteria persisting on the exogenously supplied glucose as well as other carbon...
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