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Binding in wild type, D and SoxN mutant embryos: SoxN vs D.

ABSTRACT: Genome-wide binding of transcription factors SoxN and D in stage 12-17 wild type embryos (SoxNDam and DDam), of SoxN in D mutants (D-SoxNDam) and of D in SoxN mutants (SoxN-DDam). Four DamID experiments. Three biological replicates per experiment. Two conditions: Dam (control) vs SoxNDam or DDam or D-SoxNDam or SoxN-DDam (sample)

ORGANISM(S): Drosophila melanogaster

SUBMITTER: Enrico Ferrero

PROVIDER: E-GEOD-47228 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Binding in wild type embryos: SoxN.

Project description:Genome-wide binding of SoxN in wild type embryos: SoxNDam (DamID, stage 8-11), SoxND1 (ChIP, stage 8-11), SoxND2 (ChIP, stage 8-11), SoxNPA179 Early (ChIP, stage 7-10), and SoxNPA179 Late (ChIP, stage 11-13). One DamID experiment, four ChIP experiments. Three biological replicates per experiment. Two conditions: Dam (control) vs SoxNDam (sample) for DamID, anti-M-NM-2gal (control, 40-1a antibody from DSHB) vs anti-SoxN (sample, either SoxND1, SoxND2 or SoxNPA179 antibody) for ChIP. The only commercially available antibody is the anti-BetaGal. All the anti-SoxN antibodies are home-made. anti-BetaGal: Developmental Studies Hybridoma Bank (DSHB), 40-1a, mouse, monoclonal (http://dshb.biology.uiowa.edu/beta-galactosidase_2) SoxND1: polyclonal antiserum raised in rabbit immunized with a protein fragment corresponding to amino acids 2-92 of SoxN. Produced by the modENCODE consortium (http://www.modencode.org/). SoxND2: polyclonal antiserum raised in rabbit immunized with a protein fragment corresponding to amino acids 317-417 of SoxN. Produced by the modENCODE consortium (http://www.modencode.org/). SoxNPA179: affinity purified polyclonal antibody raised in rabbit immunized with a small peptide corresponding to amino acids 506-521 of SoxN. Commisioned by our lab and produced by Eurogentec (http://www.eurogentec.com/eu-home.html).

2014-04-23 | E-GEOD-47337 | biostudies-arrayexpress

Analysis of SoxNeuro gene expression changes, genome-wide binding, and comparison of SoxNeuro and Dichaete binding profiles in wild type and mutant embryos

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2014-04-23 | E-GEOD-47338 | biostudies-arrayexpress

Gene expression timecourse: SoxN homozygous mutant embryos vs SoxN heterozygous mutant embryos.

Project description:Timecourse of gene expression changes in Drosophila SoxN homozygous mutant embryos compared with their heterozygous siblings, from stage 7 to 13 of embryonic development. Five time points: stage 7-8, stage 9, stage 10, stage 11 and stage 12-13. Four biological replicates per time point. Two conditions: SoxN homoxygous vs SoxN heterozygous mutant embryos.

2014-04-23 | E-GEOD-47227 | biostudies-arrayexpress

Genome-wide profiling of Su(H) in Drosophila melanogaster BG3 cell lines

Project description:The conserved Notch pathway functions in diverse developmental and disease-related processes, requiring mechanisms to ensure appropriate target-selection and gene activation in each context. To investigate, we partitioned Drosophila chromatin into different states, based on histone modifications, establishing the preferred chromatin conditions for binding of CSL, the Notch pathway transcription factor. While most histone modifications were unchanged by CSL binding or Notch activation, rapid changes in H3K56 acetylation occurred at Notch regulated-enhancers. This modification extended over large regions, required the histone acetyl-transferase CBP and was independent of transcription. Such rapid changes in H3K56 acetylation are a conserved indicator of enhancer activation, also occurring at mammalian Notch-regulated Hey1 and at Drosophila ecdysone-regulated genes. This core histone modification may therefore underpin the changes in chromatin accessibility needed to promote transcription following signaling activation. Su(H) profile of BG3 cells in control condition and EGTA treated condition. In total 8 samples, 4 replicates of Su(H) ChIP in hbss condition and 4 replicates of Su(H) ChIP in EGTA treated BG3 cells.

2015-07-01 | E-GEOD-66225 | biostudies-arrayexpress

Genome-wide profiling of H3K56ac in Drosophila melanogaster Kc cell lines

Project description:The conserved Notch pathway functions in diverse developmental and disease-related processes, requiring mechanisms to ensure appropriate target-selection and gene activation in each context. To investigate, we partitioned Drosophila chromatin into different states, based on histone modifications, establishing the preferred chromatin conditions for binding of CSL, the Notch pathway transcription factor. While most histone modifications were unchanged by CSL binding or Notch activation, rapid changes in H3K56 acetylation occurred at Notch regulated-enhancers. This modification extended over large regions, required the histone acetyl-transferase CBP and was independent of transcription. Such rapid changes in H3K56 acetylation are a conserved indicator of enhancer activation, also occurring at mammalian Notch-regulated Hey1 and at Drosophila ecdysone-regulated genes. This core histone modification may therefore underpin the changes in chromatin accessibility needed to promote transcription following signaling activation. H3K56ac profile of Kc cells in control condition and EGTA treated condition. In total 4 samples, 2 replicates of H3K56ac ChIP in hbss condition and 2 replicates of H3K56ac ChIP in EGTA treated Kc cells.

2015-07-01 | E-GEOD-66220 | biostudies-arrayexpress

Genome-wide profiling of H3K56ac in Drosophila melanogaster BG3 cell lines

Project description:The conserved Notch pathway functions in diverse developmental and disease-related processes, requiring mechanisms to ensure appropriate target-selection and gene activation in each context. To investigate, we partitioned Drosophila chromatin into different states, based on histone modifications, establishing the preferred chromatin conditions for binding of CSL, the Notch pathway transcription factor. While most histone modifications were unchanged by CSL binding or Notch activation, rapid changes in H3K56 acetylation occurred at Notch regulated-enhancers. This modification extended over large regions, required the histone acetyl-transferase CBP and was independent of transcription. Such rapid changes in H3K56 acetylation are a conserved indicator of enhancer activation, also occurring at mammalian Notch-regulated Hey1 and at Drosophila ecdysone-regulated genes. This core histone modification may therefore underpin the changes in chromatin accessibility needed to promote transcription following signaling activation. H3K56ac profile of BG3 cells in control condition and EGTA treated condition. In total 4 samples, 2 replicates of H3K56ac ChIP in hbss condition and 2 replicates of H3K56ac ChIP in EGTA treated BG3 cells.

2015-07-01 | E-GEOD-66219 | biostudies-arrayexpress

Notch-regulated genes in wing disc hyperplasia

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2013-12-31 | E-GEOD-41429 | biostudies-arrayexpress

The role of Dichaete in transcriptional regulation during Drosophila embryonic development

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2013-07-22 | E-GEOD-49095 | biostudies-arrayexpress

Chromatin signatures at Notch regulated enhancers reveal large-scale changes in H3K56ac upon activation

Project description:To investigate the influence of chromatin organization and dynamics on the response to Notch signaling, we partitioned Drosophila chromatin using histone modifications and established This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2015-07-01 | E-GEOD-66227 | biostudies-arrayexpress

Gene expression changes in Su(H) induced wing disc hyperplasia

Project description:The outcome of Notch activation of proliferation depends on cellular context. In Drosophila wing discs Notch pathway overactivation results in hyperplasia. To understand the mechanisms we have used genomic strategies to indetify the Notch-S(H) target genes directly regulated in wing disc hyperplasia. These data are the results from expression profiling the RNAs from hyperplastic wing discs overexpressing Su(H). Direct comparison of Giant third instar lavae wing imaginal disc (UAS-GFP:Su(H) expressed by the patched[559.1]-Gal4 driver) vs control (UAS-NLS-GFP expressed by the patched[559.1]-Gal4 driver). 3 Biological replicates, the 3rd replicate was performed as a dye-swap.

2013-12-31 | E-GEOD-41427 | biostudies-arrayexpress

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