Mature rRNA Accumulation Legend : Mature rRNA Accumulation 28S/18S ratio calculated from agilent bioanalyzer electropherograms. Data shown for two distinct siRNAs used. eS1 uS2 uS3 uS4 eS4 uS5 eS6 uS7 eS7 uS8 eS8 uS9 uS10 eS10 uS11 uS12 eS12 uS13 uS14 uS15 uS17 eS17 uS19 eS19 eS21 eS24 eS25 eS26 eS27 eS27L eS28 eS30 eS31 Rack1 uL1 uL2 uL3 uL4 uL5 uL6 eL6 eL8 uL10 uL11 uL13 eL13 uL14 eL14 uL15 eL15 uL16 uL18 eL18 eL19 eL20 eL21 uL22 eL22 uL23 uL24 eL24 eL27 eL28 uL29 eL29 uL30 eL30 eL31 eL32 eL33 eL34 eL36 eL37 eL38 eL39 eL40 eL41 eL42 eL43 P1 P2 3 2.8 2 1.6 3.6 2.5 3.4 3.4 1.8 2.6 3.2 3.8 3.3 3.3 3.6 2 2.5 2.1 2 4.5 3.6 0.8 4.2 3.4 2.3 2.1 1.2 1.7 1.7 1.1 1.5 3.3 2.1 0.8 0.4 0.4 0.5 0.5 0.4 0.4 0.4 0.4 0.7 0.6 0.6 0.7 0.5 0.5 0.5 0.9 0.9 0.4 0.4 0.5 0.6 0.5 0.5 1.1 1 0.5 1 0.5 0.9 0.5 0.8 0.5 1 0.4 0.3 0.4 0.6 0.5 0.4 0.5 0.6 0.8 0.9 0.8 0.5 1 1 3.3 3.7 2.6 3.4 2.9 3 2.8 3.4 2.2 3.4 2.8 3.7 2.4 2.3 3.7 1.6 2.4 1.7 2.5 3.5 2.7 2.1 3.8 1.9 1.9 1.5 1.9 1.6 1.5 1.2 3.6 1.7 3.3 1.1 0.6 0.4 0.5 0.4 0.5 0.6 0.5 0.3 0.8 1 0.6 0.8 0.4 0.4 0.4 1 0.7 0.2 0.7 0.5 0.7 0.5 0.4 1 1 0.5 1 0.4 0.7 0.5 0.5 0.4 1 0.4 1.9 0.5 0.5 0.4 0.5 0.6 0.7 0.8 0.9 0.8 0.5 1.1 1