Drosophila melanogaster
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA156665 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR363405.fastq.gz | Fastqsanger.gz | |||
| SRR363406.fastq.gz | Fastqsanger.gz | |||
| SRR363407.fastq.gz | Fastqsanger.gz | |||
| SRR363408.fastq.gz | Fastqsanger.gz | |||
| SRR363409.fastq.gz | Fastqsanger.gz |
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Project description:Polycomb repressive complex 2-dependent and –independent functions of Jarid2 in transcriptional regulation in Drosophila [Affymetrix]
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Project description:This SuperSeries is composed of the following subset Series: GSE33546: Polycomb repressive complex 2-dependent and M-bM-^@M-^Sindependent functions of Jarid2 in transcriptional regulation in Drosophila [ChIP-Seq] GSE36038: Polycomb repressive complex 2-dependent and M-bM-^@M-^Sindependent functions of Jarid2 in transcriptional regulation in Drosophila [Affymetrix] Refer to individual Series
2012-02-23 | E-GEOD-36039 | biostudies-arrayexpress
Project description:Jarid2 was recently identified as an important component of the mammalian Polycomb Repressive Complex 2 (PRC2), where it has a major effect on PRC2 recruitment in mouse embryonic stem cells. Although Jarid2 is conserved in Drosophila, it has not previously been implicated in Polycomb (Pc) regulation. Therefore, we purified Drosophila Jarid2 and its associated proteins and find that Jarid2 associates with all of the known canonical PRC2 components, demonstrating a conserved physical interaction with PRC2 in flies and mammals. Furthermore, in vivo studies with Jarid2 mutants in flies demonstrate that among several histone modifications tested, only H3K27 methylation, the mark implemented by PRC2, was affected. Genome-wide profiling of Jarid2, Su(z)12 and H3K27me3 occupancy by ChIP-seq indicates that Jarid2 and Su(z)12 have a very similar distribution pattern on chromatin. However, Jarid2 and Su(z)12 occupancy levels at some genes are significantly different with Jarid2 being present at relatively low levels at many Pc response elements (PREs) of certain Homeobox (Hox) genes, providing a rationale for why Jarid2 was never identified in Pc screens. Gene expression analyses show that Jarid2 and E(z) (a canonical PRC2 component) are required not only for transcriptional repression but might also function in active transcription. Identification of Jarid2 as a conserved PRC2 interactor in flies provides an opportunity to begin to probe some of its novel functions in Drosophila development. Examination of Jarid2, Su(z)12, and H3K27me3 profiles in fly larvae and Su(z)12 in eye imaginal discs under wild-type and Jarid2 mutant conditions.
2012-02-23 | E-GEOD-33546 | biostudies-arrayexpress
Project description:Jarid2 was recently identified as an important component of the mammalian Polycomb Repressive Complex 2 (PRC2), where it has a major effect on PRC2 recruitment in mouse embryonic stem cells. Although Jarid2 is conserved in Drosophila, it has not previously been implicated in Polycomb (Pc) regulation. Therefore, we purified Drosophila Jarid2 and its associated proteins and find that Jarid2 associates with all of the known canonical PRC2 components, demonstrating a conserved physical interaction with PRC2 in flies and mammals. Furthermore, in vivo studies with Jarid2 mutants in flies demonstrate that among several histone modifications tested, only H3K27 methylation, the mark implemented by PRC2, was affected. Genome-wide profiling of Jarid2, Su(z)12 and H3K27me3 occupancy by ChIP-seq indicates that Jarid2 and Su(z)12 have a very similar distribution pattern on chromatin. However, Jarid2 and Su(z)12 occupancy levels at some genes are significantly different with Jarid2 being present at relatively low levels at many Pc response elements (PREs) of certain Homeobox (Hox) genes, providing a rationale for why Jarid2 was never identified in Pc screens. Gene expression analyses show that Jarid2 and E(z) (a canonical PRC2 component) are required not only for transcriptional repression but might also function in active transcription. Identification of Jarid2 as a conserved PRC2 interactor in flies provides an opportunity to begin to probe some of its novel functions in Drosophila development. Expression analyses of Jarid2 mutants in larvae and eye imaginal discs. Expression analyses of E(z) RNAi in larvae.
2012-02-23 | E-GEOD-36038 | biostudies-arrayexpress
Project description:Jarid2 was recently identified as an important component of the mammalian Polycomb Repressive Complex 2 (PRC2), where it has a major effect on PRC2 recruitment in mouse embryonic stem cells. Although Jarid2 is conserved in Drosophila, it has not previously been implicated in Polycomb (Pc) regulation. Therefore, we purified Drosophila Jarid2 and its associated proteins and find that Jarid2 associates with all of the known canonical PRC2 components, demonstrating a conserved physical interaction with PRC2 in flies and mammals. Furthermore, in vivo studies with Jarid2 mutants in flies demonstrate that among several histone modifications tested, only H3K27 methylation, the mark implemented by PRC2, was affected. Genome-wide profiling of Jarid2, Su(z)12 and H3K27me3 occupancy by ChIP-seq indicates that Jarid2 and Su(z)12 have a very similar distribution pattern on chromatin. However, Jarid2 and Su(z)12 occupancy levels at some genes are significantly different with Jarid2 being present at relatively low levels at many Pc response elements (PREs) of certain Homeobox (Hox) genes, providing a rationale for why Jarid2 was never identified in Pc screens. Gene expression analyses show that Jarid2 and E(z) (a canonical PRC2 component) are required not only for transcriptional repression but might also function in active transcription. Identification of Jarid2 as a conserved PRC2 interactor in flies provides an opportunity to begin to probe some of its novel functions in Drosophila development.
2012-02-23 | GSE36038 | GEO
Project description:Jarid2 was recently identified as an important component of the mammalian Polycomb Repressive Complex 2 (PRC2), where it has a major effect on PRC2 recruitment in mouse embryonic stem cells. Although Jarid2 is conserved in Drosophila, it has not previously been implicated in Polycomb (Pc) regulation. Therefore, we purified Drosophila Jarid2 and its associated proteins and find that Jarid2 associates with all of the known canonical PRC2 components, demonstrating a conserved physical interaction with PRC2 in flies and mammals. Furthermore, in vivo studies with Jarid2 mutants in flies demonstrate that among several histone modifications tested, only H3K27 methylation, the mark implemented by PRC2, was affected. Genome-wide profiling of Jarid2, Su(z)12 and H3K27me3 occupancy by ChIP-seq indicates that Jarid2 and Su(z)12 have a very similar distribution pattern on chromatin. However, Jarid2 and Su(z)12 occupancy levels at some genes are significantly different with Jarid2 being present at relatively low levels at many Pc response elements (PREs) of certain Homeobox (Hox) genes, providing a rationale for why Jarid2 was never identified in Pc screens. Gene expression analyses show that Jarid2 and E(z) (a canonical PRC2 component) are required not only for transcriptional repression but might also function in active transcription. Identification of Jarid2 as a conserved PRC2 interactor in flies provides an opportunity to begin to probe some of its novel functions in Drosophila development.
2012-02-23 | GSE33546 | GEO
Project description:Polycomb Repressive Complex 1 regulates transcription of active genes [RNAseq]
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Project description:Polycomb Repressive Complex 1 regulates transcription of active genes [NTseq]
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