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Fold change of 8-oxo-rG in transfer RNA (A) and total RNA (B) following exposure of K12 and ΔtrmU strains of E. coli to Fenton reaction-induced oxidative stress. Data are shown as the mean of 3-5 biological replicates samples ±SD. Statistical differences were determined using unpaired two-tailed t-test (*p < 0.05; **p < 0.01).
