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GenomicsCo-regulation of transcription factor binding and nucleosome occupancy through DNA features of mammalian enhancers
In mammalian cells transcription factors (TFs) preferentially bind sites contained in regions of high nucleosomal occupancy, as determined by nucleotide-dependent computational analysis. This observation suggests that nucleosomes may act as gatekeepers of TF binding sites. We hypothesized that in ma...
ORGANISM(S): Mus musculus 
2014-05-08 | E-GEOD-50762 | biostudies-arrayexpress
TranscriptomicsA large fraction of extragenic RNA Pol II transcription sites overlap enhancers
Mammalian genomes are pervasively transcribed outside mapped protein-coding genes. One class of extragenic transcription products is represented by long non-coding RNAs (lncRNAs), some of which result from Pol_II transcription of bona-fide RNA genes. Whether all lncRNAs described insofar are product...
ORGANISM(S): Mus musculus 
2010-05-21 | E-GEOD-20370 | biostudies-arrayexpress
GenomicsA large fraction of extragenic RNA Pol II transcription sites overlap enhancers (2)
Mammalian genomes are pervasively transcribed outside mapped protein-coding genes. One class of extragenic transcription products is represented by long non-coding RNAs (lncRNAs), some of which result from Pol_II transcription of bona-fide RNA genes. Whether all lncRNAs described insofar are product...
ORGANISM(S): Mus musculus 
2010-05-21 | E-GEOD-19991 | biostudies-arrayexpress
GenomicsIdentification and Characterization of Enhancers Controlling the Inflammatory Gene Expression Program in Macrophages
Enhancers determine tissue-specific gene expression programs. Enhancers are marked by high histone H3 lysine 4 mono-methylation (H3K4me1) and by the acetyl-transferase p300, which has allowed genome-wide enhancer identification. However, the regulatory principles by which subsets of enhancers become...
ORGANISM(S): Mus musculus 
2010-03-05 | E-GEOD-19553 | biostudies-arrayexpress
GenomicsLatent enhancers unveiled by stimulation expand and adapt the available cis-regulatory repertoire (ChIP-seq)
According to current models, transcription factors (TFs) activated by extracellular stimuli operate in the context of a pre-established enhancer repertoire induced and maintained by lineage-specific TFs. Here, we uncovered the existence of latent enhancers, defined as regions of the genome that in t...
ORGANISM(S): Mus musculus 
2013-01-17 | E-GEOD-38377 | biostudies-arrayexpress
TranscriptomicsLatent enhancers unveiled by stimulation expand and adapt the available cis-regulatory repertoire (RNA-seq)
According to current models, transcription factors (TFs) activated by extracellular stimuli operate in the context of a pre-established enhancer repertoire induced and maintained by lineage-specific TFs. Here, we uncovered the existence of latent enhancers, defined as regions of the genome that in t...
ORGANISM(S): Mus musculus 
2013-01-17 | E-GEOD-38371 | biostudies-arrayexpress
GenomicsLatent enhancers unveiled by stimulation expand and adapt the available cis-regulatory repertoire (FAIRE-seq)
According to current models, transcription factors (TFs) activated by extracellular stimuli operate in the context of a pre-established enhancer repertoire induced and maintained by lineage-specific TFs. Here, we uncovered the existence of latent enhancers, defined as regions of the genome that in t...
ORGANISM(S): Mus musculus 
2013-01-17 | E-GEOD-41677 | biostudies-arrayexpress
TranscriptomicsA dual cis-regulatory code links IRF8 to constitutive and inducible gene expression in macrophages.
IThe transcription factor (TF) interferon regulatory factor 8 (IRF8) controls both developmental and inflammatory stimulus-inducible genes in macrophages, but the mechanisms underlying these two different functions are largely unknown. One possibility is that these different roles are linked to the ...
ORGANISM(S): Mus musculus 
2015-01-30 | E-GEOD-56122 | biostudies-arrayexpress
GenomicsA dual cis-regulatory code links IRF8 to constitutive and inducible gene expression in macrophages.
The transcription factor (TF) interferon regulatory factor 8 (IRF8) controls both developmental and inflammatory stimulus-inducible genes in macrophages, but the mechanisms underlying these two different functions are largely unknown. One possibility is that these different roles are linked to the a...
ORGANISM(S): Mus musculus 
2015-01-30 | E-GEOD-56121 | biostudies-arrayexpress
TranscriptomicsTranscription of mammalian cis-regulatory elements is restrained by actively enforced early termination [additional RNA]
Upon recruitment to active enhancers and promoters, RNA polymerase II (Pol_II) generates short non-coding transcripts of unclear function. The mechanisms that control the length and the amount of ncRNAs generated by cis-regulatory elements are largely unknown. Here, we show that the adapter protein ...
ORGANISM(S): Mus musculus 
2015-11-09 | E-GEOD-73021 | biostudies-arrayexpress
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