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. 2017 Mar 20;6:e22767. doi: 10.7554/eLife.22767

Table 1.

Ikaros represses transcription by interfering with RNAP2 recruitment rather than elongation. Analysis of differential gene expression (adj. p<0.05) 360 min after 4-OHT-induced nuclear translocation of Ikaros in B3 cells, RNAP2 ChIP-seq, and the distribution of RNAP2 over the TSS and the gene body derived from RNAP2 ChIP-seq. RNAP2 occupancy was significantly decreased at only 40.3% (372 of 924) of genes downregulated at adj. p<0.05 but increased to 62% when considering only genes downregulated with adj. p<0.01 and a minimal log2 fold-change of 2. This suggests that the failure to detect decreased RNAP2 occupancy at the majority of downregulated genes may be due to the limited sensitivity of RNAP2 ChIP-seq compared to RNA-seq.

DOI: http://dx.doi.org/10.7554/eLife.22767.009

Table 1—source data 1. Numerical data used to generate Table 1.
DOI: 10.7554/eLife.22767.010
Gene expression RNAP2 occupancy by ChIP
Global TSS~gene body TSS>gene body TSS<gene body
Unchanged: 8799 Unchanged: 8125 8019 49 57
Reduced: 405 378 11 16
Increased: 269 256 10 3
Downregulated by Ikaros: 924 Unchanged: 549 520 12 17
Reduced: 372 324 15 33
Increased: 3 3 0 0
Upregulated
by Ikaros: 855
Unchanged: 634 615 15 4
Reduced: 6 6 0 0
Increased: 215 200 13 2