Bacterial evolution and the Bak-Sneppen model

Details Bacterial evolution and the Bak-Sneppen model Bacterial evolution and the Bak-Sneppen model

2001-02-15

arxiv.org/abs/cond-mat/0102273v1

Physics

Condensed Matter

Statistical Mechanics

11 pages, 4 figures

Scientific paper

Recently, Lenski et al \cite{Elena,Lenski,Travisano} have carried out several experiments on bacterial evolution. Their findings support the theory of punctuated equilibrium in biological evolution. They have further quantified the relative contributions of adaptation, chance and history to bacterial evolution. In this Brief Report, we show that a modified M-trait Bak-Sneppen model can explain many of the experimental results in a qualitative manner.

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