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ProteomicsCrosslinking mass spectrometry of yeast Pol I pre-initiation complex
In eukaryotic cells, ribosomal RNA is transcribed by RNA polymerase I (Pol I). To initiate transcription, Pol I requires the assembly of a multi-subunit pre-initiation complex (PIC). In yeast, the minimal PIC includes Pol I, the transcription factor Rrn3 and Core Factor (CF) composed of subunits Rrn...
ORGANISM(S): Saccharomyces cerevisiae (Baker's yeast) 
2017-07-31 | PXD006510 | Pride
Pol i Transcription Core factor Pol i pre-initiation complex Crosslinking Ribosomal rna 
UnknownSpecialization versus conservation: How Pol I and Pol III use the conserved architecture of the pre-initiation complex for specialized transcription.
Not available
S-EPMC4984676 | biostudies-literature
GenomicsTAF4 promotes pre-initiation complex formation and HNF4A occupancy of regulatory elements required to activation post-natal gene expression programme in hepatocytes (ChIP-seq)
The nuclear receptor HNF4A regulates embryonic and post-natal hepatocyte gene expression. Using hepatocyte-specific inactivation in mice, we show that the TAF4 subunit of TFIID acts as a cofactor for HNF4A in vivo and that HNF4A interacts directly with the TAF4-TAF12 heterodimer in vitro. In vivo, T...
ORGANISM(S): Mus musculus 
2014-09-25 | E-GEOD-57807 | biostudies-arrayexpress
TranscriptomicsRNA polymerase is poised for activation across the genome
Regulation of gene expression is integral to the development and survival of all organisms. Transcription begins with the assembly of a pre-initiation complex at the gene promoter, followed by initiation of RNA synthesis and the transition to productive elongation. In many cases, recruitment of RNA ...
ORGANISM(S): Drosophila melanogaster 
2007-11-11 | E-GEOD-6714 | biostudies-arrayexpress
TranscriptomicsChromatin immunopreciptiation to determine the genome wide locatio of different components of the RNA polymerase II preinitiation complex in yeast
Genome wide location of different components of RNA polymerase II preinitiation complex in yeast S.cerevisiae
ORGANISM(S): Saccharomyces cerevisiae 
2008-06-01 | E-MEXP-1502 | biostudies-arrayexpress
GenomicsH3K4me3 Interactions with TAF3 Regulate Preinitiation Complex Assembly and Selective Gene Activation [ChIP-Seq]
Histone modifications regulate chromatin-dependent processes, yet the mechanisms by which they contribute to specific outcomes remain unclear. H3K4me3 is a prominent histone mark that is associated with active genes and promotes transcription through interactions with effector proteins that include ...
ORGANISM(S): Homo sapiens 
2013-03-02 | E-GEOD-43539 | biostudies-arrayexpress
TranscriptomicsTAF4 promotes pre-initiation complex formation and HNF4A occupancy of regulatory elements required to activation post-natal gene expression programme in hepatocytes (RNA-seq)
The nuclear receptor HNF4A regulates embryonic and post-natal hepatocyte gene expression. Using hepatocyte-specific inactivation in mice, we show that the TAF4 subunit of TFIID acts as a cofactor for HNF4A in vivo and that HNF4A interacts directly with the TAF4-TAF12 heterodimer in vitro. In vivo, T...
ORGANISM(S): Mus musculus 
2014-09-25 | E-GEOD-57712 | biostudies-arrayexpress
TranscriptomicsH3K4me3 Interactions with TAF3 Regulate Preinitiation Complex Assembly and Selective Gene Activation [HIT-Seq]
Histone modifications regulate chromatin-dependent processes, yet the mechanisms by which they contribute to specific outcomes remain unclear. H3K4me3 is a prominent histone mark that is associated with active genes and promotes transcription through interactions with effector proteins that include ...
ORGANISM(S): Mus musculus 
2013-03-02 | E-GEOD-43540 | biostudies-arrayexpress
GenomicsInterconversion between active and inactive TATA-binding protein transcription complexes in the mouse genome.
The conserved core domain of the TATA binding protein (TBP) interacts with multiple partners forming the complexes required for transcription by RNA Polymerases I, II and III. We use genetically modified mouse embryonic fibroblasts to show that many TBP core domain mutants complement loss of endogen...
ORGANISM(S): Mus musculus 
2012-03-01 | E-GEOD-27908 | biostudies-arrayexpress
TranscriptomicsHEK293T cells were transfected with the Rbp1-amr or slow (R729H-amr) α-amanitin resistant subunit of RNA Pol II and selected with α-amanitin 24 hours after transfection for additional 24 hours
HEK293T cells were transfected with the Rbp1-amr or slow (R729H-amr) α-amanitin resistant subunit of RNA Pol II and selected with α-amanitin 24 hours after transfection for additional 24 hours. Total RNA was extracted and global changes in gene expression were determined using microarray chips. Mi...
ORGANISM(S): Homo sapiens 
2013-07-01 | E-GEOD-48163 | biostudies-arrayexpress
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