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. 2012 Jun 25;13(Suppl 10):S13. doi: 10.1186/1471-2105-13-S10-S13

Figure 2.

Figure 2

General overview of the simulated ecological setting. Microbial population evolves under a complex environment AB ("single-step" adaptation) either directly (i), or through a first step of evolution in less convoluted, but still related, environments A and B with (ii) or without (iii) the presence of HGT events.