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Heat diagram and time course for 30 genes downregulated (3.3-fold or more) in the optA1 gpt strain during the lethal phase of dGTP starvation. The boxes represent the results for the three replicate samples at each point. See the text for more details. Genes highlighted in blue are rpoS-controlled genes, which are generally induced in the stationary phase of bacterial growth or as a part of adaptation to low pH.
