Article
Evolutionary paths to antibiotic resistance under dynamically sustained drug selection.
Nature genetics - 18 Dec 2011
Toprak Erdal, Veres Adrian, Michel Jean-Baptiste, Chait Remy, Hartl Daniel L, Kishony Roy
Abstract excerpt
Antibiotic resistance can evolve through the sequential accumulation of multiple mutations. To study such gradual evolution, we developed a selection device, the 'morbidostat', that continuously monitors bacterial growth and dynamically regulates drug concentrations, such that the evolving population is constantly challenged. We analyzed the evolution of resistance in Escherichia coli under selection with single...
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