Image 1 – Evolution in the lab: Selecting "sticky" bacteria (IMAGE)
Caption
How to direct evolution in the lab: e. coli bacteria lacking their major attachment capabilities were incubated with human cells in a petri dish. After infection, the plate was washed repeatedly to remove the floating bacteria, and the few bacteria that were able to attach to the human cells remained in the plate. These few bacteria were collected and grown, then used for another cycle of infection. Four successive cycles of selection generated bacteria with highly efficient attachment
Credit
Noam Yedidi, Ilan Rosenshine's lab
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