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Genome-wide maps of GATA1 occupany in induced G1E ER4 cell line.

ABSTRACT: we mapped the locations of DNA segments occupied by GATA1 using chromatin immunoprecipitation (ChIP). We have produced genome-wide GATA1 ChIP datasets after restoration and activation in G1E-ER4 cells. we employed the sequence census methodology of ChIP-seq , using Illumina GA2 technology to produce 23 million reads (36 nucleotides long) uniquely mapped to the mouse genome (mm8 assembly) for the GATA1 ChIP DNA and 15 million mapped reads for the input DNA

ORGANISM(S): Mus musculus

PROVIDER: GSE18164 | GEO | 2009/09/19

SECONDARY ACCESSION(S): PRJNA119471

REPOSITORIES: GEO

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Genome-wide maps of GATA1 occupany in induced G1E ER4 cell line.

Project description:we mapped the locations of DNA segments occupied by GATA1 using chromatin immunoprecipitation (ChIP). We have produced genome-wide GATA1 ChIP datasets after restoration and activation in G1E-ER4 cells. we employed the sequence census methodology of ChIP-seq , using Illumina GA2 technology to produce 23 million reads (36 nucleotides long) uniquely mapped to the mouse genome (mm8 assembly) for the GATA1 ChIP DNA and 15 million mapped reads for the input DNA Examination of transcription factor GATA1 occupancy

2009-09-19 | E-GEOD-18164 | biostudies-arrayexpress

Genome-wide map of transcription factor GATA1 occupancy during mitosis in G1E ER4+E2 cells

Project description:Tissue-specific transcription patterns are preserved throughout cell divisions to maintain lineage fidelity. We investigated whether transcription factor GATA1 plays a role in transmitting hematopoietic gene expression programs through mitosis when transcription is transiently silenced. Live cell imaging revealed that a fraction of GATA1 is retained focally within mitotic chromatin. ChIP-seq of highly purified mitotic cells uncovered that key hematopoietic regulatory genes are occupied by GATA1 in mitosis. The GATA1 co- regulators FOG1 and TAL1 dissociate from mitotic chromatin, suggesting that GATA1 functions as platform for their postmitotic recruitment. Mitotic GATA1 target genes tend to re-activate more rapidly upon entry into G1 than genes from which GATA1 dissociates. A novel system designed to destroy GATA1 specifically during mitosis revealed that mitotic occupancy is required for rapid target gene reactivation. These studies suggest a requirement of mitotic “bookmarking” by GATA1 for the faithful propagation of cell type-specific transcription programs through cell division GATA1 occupancy profiles in mitotic G1E-ER4 +E2 cells generated by ChIP-sequencing. ChIP input DNA was sequenced as control. Previously reported (GSE18164) GATA1 occupancy in asynchrnous G1E-ER4 +E2 cells was analysed and compared with mitotic GATA1 occupancy.

2012-08-17 | E-GEOD-36589 | biostudies-arrayexpress

Transcription profiling of mouse erythroid differentiation using Gata1 gene-disrupted G1E ER4 clone cells

Project description:Analysis of erythroid differentiation using Gata1 gene-disrupted G1E ER4 clone cells. Estradiol addition activates an ectopically expressed Gata-1-estrogen receptor fusion protein, triggering synchronous differentiation. 30 hour time course corresponds roughly to late burst-forming unit-erythroid stage (t=0 hrs) through orthochromatic erythroblast stage (t=30 hrs). Experiment Overall Design: G1E ER4 cells cultured in G1E medium were treated at 6 time points with estradiol to initiate erythroid differentiation by activating Gata1 transcription factor and total RNAs from treated cells were extracted for microarray experiment. The erythroid differentiation status was confirmed by cell pellet color and expression of microRNA miR451. The design was similar to an earlier studies (Welch, J. J., Watts, J. A., Vakoc, C. R., Yao, Y., Wang, H., Hardison, R. C., Blobel, G. A., Chodosh, L. A., and Weiss, M. J. (2004)). Global regulation of erythroid gene expression by transcription factor GATA-1. Blood 104, 3136-3147), except that a more recent version of Affymetric chip was used to acheive greater transcriptome coverage.

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ATAC-seq from G1E-ER4 (ENCSR428BSK)

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2021-04-22 | GSE172992 | GEO

total RNA-seq from G1E-ER4 (ENCSR181KQJ)

Project description:PSU mouse G1E-ER4+E2 RNA RNA-seq For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf

2016-03-18 | GSE78630 | GEO

total RNA-seq from G1E-ER4 (ENCSR538CVD)

Project description:PSU mouse G1E-ER4+E2 100ng rRNA-depeleted RNA-seq via ScriptSeq For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf

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polyA mRNA RNA-seq from G1E-ER4 (ENCSR000CHY)

Project description:RNA-seq on mouse G1E-ER4 (paired end) For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf

2016-12-07 | GSE90213 | GEO

polyA mRNA RNA-seq from G1E-ER4 (ENCSR000CIH)

Project description:RNA-seq on mouse G1E-ER4 (single end) differentiated for 24 hours For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf

2017-02-03 | GSE93477 | GEO

polyA mRNA RNA-seq from G1E-ER4 (ENCSR000CIB)

Project description:RNA-seq on mouse G1E-ER4 (paired end) differentiated for 30 hours For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf

2016-12-07 | GSE90216 | GEO

polyA mRNA RNA-seq from G1E-ER4 (ENCSR000CIA)

Project description:RNA-seq on mouse G1E-ER4 (paired end) differentiated for 24 hours For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf

2016-12-07 | GSE90215 | GEO

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