Transcriptomics,Genomics

Dataset Information

309

Site-specific silencing of regulatory elements as a mechanism of X-inactivation


ABSTRACT: The inactive X chromosome’s (Xi) physical territory is microscopically devoid of transcriptional hallmarks and enriched in silencing-associated modifications. How these microscopic signatures relate to specific Xi sequence is unknown. This study reports the profiling of Xi gene expression and chromatin states at high-resolution via allele-specific sequencing in F1 hybrid mouse trophoblast stem cells (TSCs). Datasets provided include those generated from strand-specific RNA-Seq, ChIP-Seq, FAIRE-Seq, and DNase-Seq protocols. Included for each dataset are FASTQ files, BED alignments and WIG files with coordinates relative to UCSC genome build mm9, and _snp files that report the location of all SNP-overlapping reads. The F1 TSC lines profiled were generated from crosses between CAST/EiJ (Cast) and C57BL/6J (B6) mice. C/B denotes a Cast mother and B6 father, and B/C denotes a B6 mother and Cast father.

ORGANISM(S): Mus musculus  

SUBMITTER: J M Calabrese   J Mauro Calabrese 

PROVIDER: E-GEOD-39406 | ArrayExpress | 2012-11-21

SECONDARY ACCESSION(S): SRP014437GSE39406PRJNA170844

REPOSITORIES: GEO, ArrayExpress, ENA

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Publications


The inactive X chromosome's (Xi) physical territory is microscopically devoid of transcriptional hallmarks and enriched in silencing-associated modifications. How these microscopic signatures relate to specific Xi sequences is unknown. Therefore, we profiled Xi gene expression and chromatin states at high resolution via allele-specific sequencing in mouse trophoblast stem cells. Most notably, X-inactivated transcription start sites harbored distinct epigenetic signatures relative to surrounding  ...[more]

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