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Nuclear peripheral positioning of heterochromatin by Amo1NUPL2 suppresses nucleosome turnover to promote epigenetic inheritance [ChIP-chip_C300]

ABSTRACT: Occupancy profiling of GFP-tagged Rix1, Las1, Ipi1, Crb3 proteins in fission yeast. Occupancy profiling of lysine 9 trimethylated histone H3 in fission yeast.

ORGANISM(S): Schizosaccharomyces pombe

PROVIDER: GSE132862 | GEO | 2020/01/11

REPOSITORIES: GEO

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Nuclear peripheral positioning of heterochromatin by Amo1NUPL2 suppresses nucleosome turnover to promote epigenetic inheritance [ChIP-seq]

Project description:Occupancy profiling of GFP-tagged Rix1 protein in fission yeast.

2020-01-11 | GSE141070 | GEO

Nuclear peripheral positioning of heterochromatin by Amo1NUPL2 suppresses nucleosome turnover to promote epigenetic inheritance [ChIP-chip_C50]

Project description:Occupancy profiling of FLAG-tagged H3 in fission yeast.

2020-01-11 | GSE132797 | GEO

A critical density of histone H3 lysine 9 tri-methylation is required for propagation of heterochromatin and epigenetic inheritance

Project description:Occupancy profiling of myc-tagged Raf1 protein in fission yeast. Occupancy profiling of lysine 9 dimethylated and trimethylated histone H3 in fission yeast.

2021-06-09 | GSE162701 | GEO

Specialized replication of heterochromatin domains ensures self-templated chromatin assembly and epigenetic inheritance [ChIP-chip H3K9me3]

Project description:Occupancy profiling of lysine 9 trimethylated histone H3 in fission yeast.

2024-02-02 | GSE242429 | GEO

Specialized replication of heterochromatin domains ensures self-templated chromatin assembly and epigenetic inheritance [ChIP-chips_H3-FLAG]

Project description:Occupancy profiling of FLAG-tagged H3 in fission yeast.

2024-02-02 | GSE242430 | GEO

Positioning Heterochromatin at the Nuclear Periphery Suppresses Histone Turnover to Promote Epigenetic Inheritance.

Project description: Not available

| S-EPMC7102895 | biostudies-literature

Cohesin has a deleterious effect on heterochromatin assembly in fission yeast cells lacking Pds5

Project description:Occupancy profiling of lysine 9 dimethylated histone H3 in fission yeast. Occupancy profiling of Pds5 proteins in fission yeast.

2020-04-22 | GSE130233 | GEO

A conserved factor Dhp1/Rat1/Xrn2 triggers premature transcription termination and nucleates heterochromatin to promote gene silencing [ChIP-chip]

Project description:Occupancy profiling of lysine 9 dimethylated histone H3 in fission yeast. Occupancy profiling of Red1, Mtl1, and Mmi1 proteins in fission yeast.

2016-01-05 | GSE74740 | GEO

An RNA Endonuclease-Kinase Complex Required for Spreading and Epigenetic Inheritance of Heterochromatin

Project description:The highly conserved multienzyme Rix1-containing complex (hereafter referred to as the rixosome), is required for ribosomal RNA (rRNA) processing and also localizes to heterochromatin in fission yeast, but its role in heterochromatin formation is unknown. Here we report the isolation of separation of function mutations in subunits of the rixosome that abolish its physical association with Swi6/HP1 and localization to heterochromatin, but do not affect growth or rRNA processing. These mutations abolish the epigenetic inheritance of silencing and histone H3 lysine 9 methylation (H3K9me), accumulate heterochromatic RNAs, and cannot spread H3K9me and silencing away from nucleation sites into an inserted transgene. We further show that the rixosome acts upstream of the conserved 5’-3’ exoribonuclease Dhp1/XRN2 to promote heterochromatic RNA degradation. These findings reveal a new RNA degradation pathway that specifically localizes to heterochromatin to degrade nascent transcripts and enable heterochromatin spreading and inheritance.

2020-06-08 | GSE140920 | GEO

HDAC mediated suppression of histone turnover promotes epigenetic stability of heterochromatin

Project description:Analysis of histone H3 turnover in wild-type and mutant fission yeast cells by using MNase-ChIP-chip Exponentially growing cultures of fission yeast cells expressing an ectopic copy of FLAG tagged histone H3 under the control of inv1 promoter were synchronized and expression of H3-FLAG was induced by changing the carbon source of the medium to Sucrose. Cells were crosslinked with 1% Formaldehyde and chromatin was fragmented into mononucleosomes by using micrococcal nuclease (MNase). Chromatin immunoprecipitated DNA recovered with anti-FLAG antibody from wild-type and mutant fission yeast cells and whole cell extracts DNA were amplified by random priming and respectively labeled with Cy5 and Cy3. Labeled DNA samples were mixed and hybridized onto 44k pombe Agilent oligo arrays. Data were processed using Agilent scanner and Feature Extraction software.

2013-04-21 | E-GEOD-45378 | biostudies-arrayexpress

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