Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

RNA-Seq from wt and G9A knockout ES cells

ABSTRACT: To measure gene expression difference between wt and g9A knockout ES cells G9A TT2 ES cells (Yokochi et al) were treated with Veh. Or 4OHT (to delete G9A)

ORGANISM(S): Mus musculus

SUBMITTER: Todd Macfarlan

PROVIDER: E-GEOD-36896 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Embryonic stem cell potency fluctuates with endogenous retrovirus activity.

Macfarlan Todd S TS Gifford Wesley D WD Driscoll Shawn S Lettieri Karen K Rowe Helen M HM Bonanomi Dario D Firth Amy A Singer Oded O Trono Didier D Pfaff Samuel L SL

Nature 20120701 7405

Embryonic stem (ES) cells are derived from blastocyst-stage embryos and are thought to be functionally equivalent to the inner cell mass, which lacks the ability to produce all extraembryonic tissues. Here we identify a rare transient cell population within mouse ES and induced pluripotent stem (iPS) cell cultures that expresses high levels of transcripts found in two-cell (2C) embryos in which the blastomeres are totipotent. We genetically tagged these 2C-like ES cells and show that they lack t ...[more]

PMID: 22722858

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Project description:Transcription factors direct gene expression, and so there is much interest in mapping their genome-wide binding locations. M-BM- Current methods do not allow for the multiplexed analysis of TF binding, and this limits their throughput. We describe a novel method for determining the genomic target genes of multiple transcription factors simultaneously. DNA-binding proteins are endowed with the ability to direct transposon insertions into the genome near to where they bind. The transposon becomes a M-bM-^@M-^\Calling CardM-bM-^@M-^] marking the visit of the DNA-binding protein to that location. A unique sequence M-bM-^@M-^\barcodeM-bM-^@M-^] in the transposon matches it to the DNA-binding protein that directed its insertion. The sequences of the DNA flanking the transposon (which reveal where in the genome the transposon landed) and the barcode within the transposon (which identifies the TF that put it there) are determined by massively-parallel DNA sequencing. To demonstrate the methodM-bM-^@M-^Ys feasibility, we determined the genomic targets of eight transcription factors in a single experiment. The Calling Card method promises to significantly reduce the cost and labor needed to determine the genomic targets of many transcription factors in different environmental conditions and genetic backgrounds. These data contain Ty5 insertion sites mapped by an Illumina GAII analyzer in the S. cerevisiae genome for the background strain without any Sir4 present (1 run), in strains expressing Sir4-tagged copies of three well-characterized TFs: Gal4, Leu3, and Gcn4 (1 run each), and a multiplex of eight Sir4-tagged TFs pooled in a single experiment (2 biological replicates), and insertions from the Thi2-Sir4 fusion expressed from its native locus in two conditions (1 run each). The format of each insertions file is [chromosome number] [position of genomic base] [direction of insertion] [number of reads at that position]. Raw sequencing data comes in two varieties. Paired-end data contains a 5 bp barcode at the beginning of read #2. Single-end data contains a 2 bp barcode on the beggining of read #1.

Dataset Information

RNA-Seq from wt and G9A knockout ES cells

Publications

Embryonic stem cell potency fluctuates with endogenous retrovirus activity.

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