Effect of glucose analogs on the growth, on fructose, of a mutant carrying ptsG-F and [ΔptsH ptsI crr]KanR. Cells were grown overnight on 20 mM fructose and resuspended in four flasks of the same medium (□). After 1 h 15 min, 2DG (○), glucose (▴), or αMG (●) to final concentrations of 1 mM were added.