Figure 2
From: Analysis of the function of E. coli 23S rRNA helix-loop 69 by mutagenesis
Growth of XL-1 cells expressing mutant 23S rRNA. The expression of the mutant rRNA was induced at O.D.600 = 0.05 (0 min time point) by addition of IPTG. Y-axis shows the optical densities of the cultures at time points. Control plasmid is ptBsB1067T. Density of the bacterial culture grown in the absence of IPTG is shown by blue circles and in the presence of IPTG is shown by red squares.