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TranscriptomicsThe RNA Pol II Elongation Factor Ell3 Marks Enhancers in ES Cells and Primes Future Gene Activation
Enhancers play a central role in precisely regulating the spatiotemporal expression of developmentally regulated genes. The molecular mechanisms and factors required for controlling the inactive or poised enhancers and their function in future gene activation remain elusive. Here, we have identified...
ORGANISM(S): Mus musculus 
2012-12-30 | E-GEOD-38148 | biostudies-arrayexpress
TranscriptomicsMultiple roles for LEC in initiation and elongation phases of snRNA gene transcription
The small nuclear RNA (snRNA) genes have been widely used as a model system for understanding transcriptional regulation due to unique aspects of their promoter structure, selectivity for either RNA Polymerase (Pol) II or III and a unique mechanism of termination that is tightly linked with the prom...
ORGANISM(S): Homo sapiens 
2013-08-08 | E-GEOD-47938 | biostudies-arrayexpress
GenomicsEnhancer-associated H3K4 mono-methylation by Drosophila Trithorax-related, the Drosophila homolog of Mll3/Mll4
Mono-methylation of histone H3 on lysine 4 (H3K4me1) and acetylation of histone H3 on lysine 27 (H3K27ac) are histone modifications that are highly enriched over the body of actively transcribed genes and enhancers. Although in yeast all H3K4 methylation patterns including H3K4me1 are implemented by...
ORGANISM(S): Mus musculus 
2012-12-01 | E-GEOD-41440 | biostudies-arrayexpress
TranscriptomicsThe little elongation complex (LEC) regulates small nuclear RNA transcription
The Eleven-nineteen Lysine-rich Leukemia (ELL)-containing Super Elongation Complex (SEC) containing P-TEFb is a key regulator in the expression of HOX genes in Mixed Lineage Leukemia (MLL)-based leukemia. We have identified an SEC-like complex in Drosophila, as well as a distinct ELL-containing comp...
ORGANISM(S): Drosophila melanogaster 
2011-12-22 | E-GEOD-32120 | biostudies-arrayexpress
GenomicsSuper Elongation Complex (SEC) and global genomic analyses in murine embryonic stem (ES) cells and in human cells in response to activation signals.
Transcriptional regulation of developmentally controlled genes is at the heart of differentiation and organogenesis. In this study, we have performed global genomic analyses in murine embryonic stem (ES) cells and in human cells in response to activation signals. We have identified an essential role...
ORGANISM(S): Mus musculus 
2011-07-19 | E-GEOD-30267 | biostudies-arrayexpress
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