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GenomicsGenome-wide distribution of RNA-DNA hybrids identifies RNase H targets in tRNA genes, retrotransposons and mitochondria
During transcription the nascent RNA can invade the DNA template, forming extended RNA-DNA duplexes (R-loops). Here we employ ChIP-seq in strains expressing or lacking RNase H to map targets of RNase H activity throughout budding yeast genome. In wild-type strains, R-loops were readily detected over...
ORGANISM(S): Saccharomyces cerevisiae 
2014-11-03 | E-GEOD-53420 | biostudies-arrayexpress
GenomicsCfp1 is required for gene expression dependent H3K4me3 and H3K9 acetylation in embryonic stem cells (ChIP-Seq)
Trimethylation of histone H3 lysine 4 (H3K4me3) accumulates at promoters in a gene activity dependant manner. The Set1 complex is responsible for most H3K4me3 in somatic cells and contains the conserved subunit Cfp1, which is implicated in targeting the Set1 complex to CpG islands in mammals. In mou...
ORGANISM(S): Mus musculus 
2014-08-20 | E-GEOD-53490 | biostudies-arrayexpress
TranscriptomicsCfp1 is required for gene expression dependent H3K4me3 and H3K9 acetylation in embryonic stem cells (RNA-Seq)
Trimethylation of histone H3 lysine 4 (H3K4me3) accumulates at promoters in a gene activity dependant manner. The Set1 complex is responsible for most H3K4me3 in somatic cells and contains the conserved subunit Cfp1, which is implicated in targeting the Set1 complex to CpG islands in mammals. In mou...
ORGANISM(S): Mus musculus 
2014-08-20 | E-GEOD-53489 | biostudies-arrayexpress
GenomicsLeo1 is a Global Regulator of Heterochromatin Cis-spreading
Domains of heterochromatin play important roles in the maintenance and regulation of eukaryotic genomes. However, the repressive nature of heterochromatin combined with its propensity to self-propagate necessitates the existence of robust mechanisms that limit heterochromatin spreading and thereby a...
ORGANISM(S): Schizosaccharomyces pombe 
2015-05-22 | E-GEOD-61688 | biostudies-arrayexpress
GenomicsCell Type-Specific DNA Methylation at Intragenic CpG Islands in the Immune System (MAP-Seq and ChIP-Seq data)
Human and mouse genomes contain a similar number of CpG islands (CGIs), which are discrete CpG-rich DNA sequences associated with transcription start sites. In both species, about 50% of all CGIs are remote from annotated promoters, but nevertheless often have promoter-like features. To document the...
ORGANISM(S): Mus musculus 
2011-05-23 | E-GEOD-25688 | biostudies-arrayexpress
GenomicsNeuronal MeCP2 is expressed at near histone-octamer levels and globally alters the chromatin state
We report the application of single molecule-based sequencing technology for high-throughput genom-wide mapping of MeCP2 binding and DNA methylation in mouse brain and cerebellum respectively. We find a good correlation between MeCP2 occupancy and methyl-CpG density and depletion of MeCP2 binding at...
ORGANISM(S): Mus musculus 
2010-03-04 | E-GEOD-19786 | biostudies-arrayexpress
GenomicsA splicing-dependent transcriptional checkpoint associated with pre-spliceosome formation
There is good evidence for functional interactions between splicing and transcription in eukaryotes, but how and why these processes are coupled remain unknown. Prp5 is an RNA-stimulated ATPase required for pre-spliceosome formation in yeast. We demonstrate through in vivo RNA labelling that, in add...
ORGANISM(S): Saccharomyces cerevisiae 
2014-02-19 | E-GEOD-53647 | biostudies-arrayexpress
GenomicsComprehensive analysis of orphan CpG islands identifes novel promoters with conserved DNA methylation dynamics
We report the application of single molecule-based sequencing technology in combination with CXXC affinity purifcation (CAP-seq), MBD affinity purification (MAP-seq) and chromatin immunoprecipitation (ChIP-seq) to generate reciprocal methylation and chromatin modifcation maps in human and mouse. We ...
ORGANISM(S): Mus musculus 
2010-10-04 | E-GEOD-21442 | biostudies-arrayexpress
GenomicsGenome-wide maps of CFP1, RNA Polymerase II and H3K4me3 in mouse brain.
We report the application of single molecule-based sequencing technology for high-throughput mapping of CFP1, RNA polymerase II and H3K4me3 in mouse brain. By obtaining sequence from chromatin immunoprecipitated DNA, we generated genome-wide binding / chromatin-state maps for mouse brain. We find a ...
ORGANISM(S): Mus musculus 
2010-04-15 | E-GEOD-18578 | biostudies-arrayexpress
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