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RNA polymerase I and II transcription is related to H3 and H4 histone acetylation. Chr-IP analysis for the specified strains (♦, WT; ▴, PSW; □, ATU) with anti-AcH3 (top graph) or anti-AcH4 (bottom graph) antibodies. Values refer to AcH3 or AcH4 enrichment calculated as IP/input ratio normalized to ACT1 in the different regions and different strains.
