Ontology highlight
ABSTRACT:
PROVIDER: PRJNA200695 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR13106214.fastq.gz | Fastqsanger.gz | |||
| SRR13106215.fastq.gz | Fastqsanger.gz | |||
| SRR13106216.fastq.gz | Fastqsanger.gz | |||
| SRR13218621.fastq.gz | Fastqsanger.gz | |||
| SRR13218626.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 13 |
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Project description:Yeast X-Chromosome Associated Protein 5 (Xap5) Functions with H2A.Z to Suppress Aberrant Transcripts [RNA-seq]
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Project description:Yeast X-Chromosome Associated Protein 5 (Xap5) Functions with H2A.Z to Suppress Aberrant Transcripts [ChIP-chip]
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Project description:XCT was originally identified due to the short circadian period observed in plants mutant for this gene. Proteins with homology to XCT are found across eukaryotes, but their molecular function is unknown. We have recently demonstrated that in Schizosaccharomyces pombe, the XCT ortholog Xap5 is a chromatin-associated protein that acts in a similar manner as the histone variant H2A.Z to suppress aberrant gene expression. Here, we demonstrate that although XCT and H2A.Z act in similar pathways to control plant development, XCT's role in the circadian clock is independent of H2A.Z.
2019-05-01 | GSE67813 | GEO
Project description:Comparison of occupancy profiling of Xap5 and H2A.Z/Pht1 in fission yeast. Agilent 60mer array was used to analyze DNA recovered by chromatin immunoprecipitation of Xap5 from fission yeast culture.
2014-07-01 | E-GEOD-46505 | biostudies-arrayexpress
Project description:Comparison of occupancy profiling of Xap5 and H2A.Z/Pht1 in fission yeast.
2014-07-01 | GSE46505 | GEO
Project description:The histone variant H2A.Z, which has been reported to have both activating and repressive effects on gene expression, is known to occupy nucleosomes at the 5’ ends of protein-coding genes. We now find that H2A.Z is also significantly enriched in gene coding regions and at the 3’ ends of genes in budding yeast, where it co-localises with histone marks associated with active promoters. By comparing H2A.Z binding to global gene expression in budding yeast strains engineered so that normally unstable transcripts are abundant, we show that H2A.Z is required for normal levels of antisense transcripts as well as sense ones. High levels of H2A.Z at antisense promoters are associated with decreased antisense transcript levels when H2A.Z is deleted, indicating that H2A.Z has an activating effect on antisense transcripts. Decreases in antisense transcripts affected by H2A.Z are accompanied by increased levels of paired sense transcripts. Therefore, the effect of H2A.Z on protein coding gene expression is a reflection of its importance for normal levels of both sense and antisense transcripts. Htz1 ChIP-seq in wild-type (WT) and rrp6Δ yeast, along with negative control ChIP-seq in htz1Δ and input control. Strand-specific transcriptomic profiles of WT, htz1Δ, rrp6Δ and htz1Δrrp6Δ. Replicates are present for all samples except the negative and input control ChIP samples.
2015-01-05 | E-GEOD-54105 | biostudies-arrayexpress
Project description:The histone variant H2A.Z, which has been reported to have both activating and repressive effects on gene expression, is known to occupy nucleosomes at the 5’ ends of protein-coding genes. We now find that H2A.Z is also significantly enriched in gene coding regions and at the 3’ ends of genes in budding yeast, where it co-localises with histone marks associated with active promoters. By comparing H2A.Z binding to global gene expression in budding yeast strains engineered so that normally unstable transcripts are abundant, we show that H2A.Z is required for normal levels of antisense transcripts as well as sense ones. High levels of H2A.Z at antisense promoters are associated with decreased antisense transcript levels when H2A.Z is deleted, indicating that H2A.Z has an activating effect on antisense transcripts. Decreases in antisense transcripts affected by H2A.Z are accompanied by increased levels of paired sense transcripts. Therefore, the effect of H2A.Z on protein coding gene expression is a reflection of its importance for normal levels of both sense and antisense transcripts.
2015-01-05 | GSE54105 | GEO
Project description:The histone variant H2A.Z is a hallmark of nucleosomes flanking the promoters of protein coding genes, and is often found in nucleosomes that also carry lysine 56- acetylated histone H3 (H3-K56Ac), a mark which promotes rapid replication- independent turnover of nucleosomes. Although H2A.Z and H3-K56Ac have been generally implicated in transcriptional activation, their exact contributions have remained elusive. Here we find that H3-K56Ac promotes RNA polymerase II occupancy at a large number of protein coding and noncoding loci, yet neither H3- K56Ac nor H2A.Z has a significant impact on steady state mRNA levels in yeast. Instead, broad effects of H3-K56Ac or H2A.Z on levels of both coding and noncoding RNAs (ncRNAs) are only revealed in the absence of the nuclear RNA exosome. H2A.Z is also necessary for expression of divergent, promoter-proximal ncRNAs in mouse embryonic stem cells, suggesting a conserved role for H2A.Z across eukaryotes. Finally, we show that H2A.Z functions with H3-K56Ac in chromosome folding, facilitating formation of chromosome interaction domains (CIDs). Our study suggests that H2A.Z and H3-K56Ac work in concert with the RNA exosome to control mRNA and ncRNA expression, perhaps in part by regulating higher order chromatin structures. 2 replicates of WT (CY1089), rtt109â (CY2210), rrp6â (CY2071) and one replicate of the W303 input (Sample 7). TableS5.xlsx contains the processed IP/input values for each ORF transcript.
2015-11-12 | E-GEOD-72692 | biostudies-arrayexpress
Project description:The histone variant H2A.Z is a hallmark of nucleosomes flanking the promoters of protein coding genes, and is often found in nucleosomes that also carry lysine 56- acetylated histone H3 (H3-K56Ac), a mark which promotes rapid replication- independent turnover of nucleosomes. Although H2A.Z and H3-K56Ac have been generally implicated in transcriptional activation, their exact contributions have remained elusive. Here we find that H3-K56Ac promotes RNA polymerase II occupancy at a large number of protein coding and noncoding loci, yet neither H3- K56Ac nor H2A.Z has a significant impact on steady state mRNA levels in yeast. Instead, broad effects of H3-K56Ac or H2A.Z on levels of both coding and noncoding RNAs (ncRNAs) are only revealed in the absence of the nuclear RNA exosome. H2A.Z is also necessary for expression of divergent, promoter-proximal ncRNAs in mouse embryonic stem cells, suggesting a conserved role for H2A.Z across eukaryotes. Finally, we show that H2A.Z functions with H3-K56Ac in chromosome folding, facilitating formation of chromosome interaction domains (CIDs). Our study suggests that H2A.Z and H3-K56Ac work in concert with the RNA exosome to control mRNA and ncRNA expression, perhaps in part by regulating higher order chromatin structures.
2015-10-02 | GSE72845 | GEO
Project description:The histone variant H2A.Z is a hallmark of nucleosomes flanking the promoters of protein coding genes, and is often found in nucleosomes that also carry lysine 56- acetylated histone H3 (H3-K56Ac), a mark which promotes rapid replication- independent turnover of nucleosomes. Although H2A.Z and H3-K56Ac have been generally implicated in transcriptional activation, their exact contributions have remained elusive. Here we find that H3-K56Ac promotes RNA polymerase II occupancy at a large number of protein coding and noncoding loci, yet neither H3- K56Ac nor H2A.Z has a significant impact on steady state mRNA levels in yeast. Instead, broad effects of H3-K56Ac or H2A.Z on levels of both coding and noncoding RNAs (ncRNAs) are only revealed in the absence of the nuclear RNA exosome. H2A.Z is also necessary for expression of divergent, promoter-proximal ncRNAs in mouse embryonic stem cells, suggesting a conserved role for H2A.Z across eukaryotes. Finally, we show that H2A.Z functions with H3-K56Ac in chromosome folding, facilitating formation of chromosome interaction domains (CIDs). Our study suggests that H2A.Z and H3-K56Ac work in concert with the RNA exosome to control mRNA and ncRNA expression, perhaps in part by regulating higher order chromatin structures.
2015-11-12 | GSE72692 | GEO