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Sodium arsenite (SA) treatment induces CCA-deactivated tRNAs. (A) SYBR Gold staining of the CCA-specific ligation products. (B) Visualization of ligated tRNAs by streptavidin-biotin system. (C) Northern blot analysis showing that SA treatment slightly increases the amount of unligated tRNAs. The blue arrowheads indicate the bands for pre-tRNAs.
