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Accumulation of 17S rRNA precursor in the E. coli strains with inactivation of the 16S rRNA and 23S rRNA methyltransferase genes. Shown is the 17S rRNA to 16S+17S rRNA ratio determined by RT qPCR. Knockout strains are marked below the bars. (Panel A) corresponds to the cells grown at the 37°C, while (panel B) to the cells grown at the 20°C.
