Additional file 2.

Figure S2. MA plots comparing transcriptome data. Scatter plots of the microarray data that plot the distribution of the log2 intensity ratio (M-value) versus the log2 average intensity (A-value). Differentially expressed genes that are upregulated or downregulated are shown in red or green, respectively. The number of genes with a growth phase or (p)ppGpp-dependent expression profile are indicated by histogram bars at the right of the MA plot. (a) Wild type compared to rsh mutant in stationary phase. (b) Wild type compared to rsh mutant in exponential phase.

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Vercruysse et al. Genome Biology 2011 12:R17   doi:10.1186/gb-2011-12-2-r17