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GenomicsHog1 controls global reallocation of RNA Pol II upon osmotic shock
When challenged with osmotic shock, S. cerevisiae induces hundreds of genes, despite a global reduction in transcriptional capacity. The mechanisms that regulate this rapid reallocation of transcriptional resources are not known. Here we show that redistribution of RNA Pol II upon stress requires ...
ORGANISM(S): Saccharomyces cerevisiae 
2012-07-15 | E-GEOD-38208 | biostudies-arrayexpress
GenomicsRNA polymerase II pausing downstream of core histone genes is different from genes producing polyadenylated transcripts
Recent genome-wide chromatin immunoprecipitation coupled high throughput sequencing (ChIP-seq) analyses performed in various eukaryotic organisms, analysed RNA Polymerase II (Pol II) pausing around the transcription start sites of genes. In this study we have further investigated genome-wide binding...
ORGANISM(S): Homo sapiens 
2012-06-15 | E-GEOD-34001 | biostudies-arrayexpress
GenomicsThe SAGA coactivator complex acts on the whole transcribed genome and is required for RNA polymerase II transcription [Yeast cells]
The SAGA co-activator complex contains distinct chromatin-modifying activities and is recruited by DNA-bound activators to regulate the expression of a subset of genes. Surprisingly, recent studies revealed little overlap between genome-wide SAGA-binding profiles and changes in gene expression upon ...
ORGANISM(S): Saccharomyces cerevisiae 
2014-08-29 | E-GEOD-52997 | biostudies-arrayexpress
GenomicsFunctional association of Gdown1 with RNA Polymerase II in Human
Most human genes are loaded with promoter proximally paused RNA polymerase II (RNAP II) molecules that are poised for release into productive elongation by P-TEFb. Gdown1, a protein that renders RNAP II responsive to mediator, is involved in RNAP II elongation control. During in vitro transcription ...
ORGANISM(S): Homo sapiens 
2012-01-13 | E-GEOD-32442 | biostudies-arrayexpress
GenomicsGenome-wide mapping of RNA Pol II binding site (GM12878)
We report the results of chromatin immunoprecipitation following by high-thoughput sequencing (ChIP-Seq) using the GA II platform from Illumina for the human RNA Polymerase II in GM12878 cells. We have also generated a sequenced input DNA datasets for GM12878 cells. For data usage terms and condit...
ORGANISM(S): Homo sapiens 
2009-12-31 | E-GEOD-19550 | biostudies-arrayexpress
GenomicsGlobal impact of RNA polymerase II elongation inhibition on alternative splicing regulation (ChIP-Seq)
The rate of RNA polymerase II (pol II) elongation can influence splice site selection in nascent transcripts, yet the extent and physiological relevance of this kinetic coupling between transcription and alternative splicing is not well understood. We performed experiments to perturb pol II elongati...
ORGANISM(S): Homo sapiens 
2010-12-09 | E-GEOD-25494 | biostudies-arrayexpress
TranscriptomicsProfiling of RNA Pol II occupancy in Drosophila neural stem cell populations using TaDa (Targeted DamID)
Cell-type specific transcriptional profiling is key to understanding cell fate specification and function. In order to achieve this it has been necessary, to date, to isolate specific cell types from complex tissues. We have developed 'TaDa', a technique that enables cell-specific profiling without ...
ORGANISM(S): Drosophila melanogaster 
2013-06-21 | E-GEOD-46803 | biostudies-arrayexpress
GenomicsPoised RNA Polymerase II changes over developmental time and prepares genes for future expression (ChIP-seq data)
Poised RNA polymerase II is predominantly found at developmental control genes and is thought to allow their rapid and synchronous induction in response to extracellular signals. How the recruitment of poised RNA Pol II is regulated during development is not known. By isolating muscle tissue from Dr...
ORGANISM(S): Drosophila melanogaster 
2012-12-20 | E-GEOD-34301 | biostudies-arrayexpress
TranscriptomicsChIP-chip by array of yeast to determine genome-wide occupancy profiles for RNA polymerase (Pol) II, its phosphorylated forms, and transcription factors
To investigate the chromatin transcription cycle, we determined genome-wide occupancy profiles for RNA polymerase (Pol) II, its phosphorylated forms, and transcription factors in growing yeast. ChIP-chip was performed to identify the genomic binding locations for Rpb3, TFIIB, Tfg1, Kin28, Cet1, Spt4...
ORGANISM(S): Saccharomyces cerevisiae 
2010-08-23 | E-TABM-1033 | biostudies-arrayexpress
GenomicsBromodomain-Containing-Protein 4 (BRD4) Regulates RNA Polymerase II Serine 2 Phosphorylation in Human CD4+ T Cells
Transcriptional elongation by RNA polymerase II (Pol II) is regulated by positive transcription elongation factor b (P-TEFb) in association with Bromodomain-containing protein 4 (BRD4). We used genome-wide chromatin immunoprecipitation sequencing in primary human CD4+ T cells to reveal that BRD4 co-...
ORGANISM(S): Homo sapiens 
2012-11-14 | E-GEOD-33281 | biostudies-arrayexpress
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