YY1-mediated targeting of MSL/MOF
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1012719 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR25898661_1.fastq.gz | Fastqsanger.gz | |||
| SRR25898661_2.fastq.gz | Fastqsanger.gz | |||
| SRR25898662_1.fastq.gz | Fastqsanger.gz | |||
| SRR25898662_2.fastq.gz | Fastqsanger.gz | |||
| SRR25898663_1.fastq.gz | Fastqsanger.gz |
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Project description:We assessed the genome-wide binding of the histone acetylase MOF and members of its two associated complexes, the male-specific lethal and the non-specific lethal complex (MSL, NSL). We generated ChIP-seq profiles for MOF, MSL1, MSL2, KANSL3, and MCRS1 from mouse embryonic stem cells and neuronal progenitor cells. By using two replicates per sample and stringent filtering criteria, we identify five basic groups of genome regions where the proteins show either mutual or exclusive binding. We find that the NSL complex members (KANSL3, MCRS1) target the TSSs of broadly expressed genes with housekeeping functions in both cell types. MOF and particularly the MSL complex target a subset of these NSL-complex-targets, too. In addition, we find several thousand TSS-distal binding sites, particularly in ESCs, where KANSL3, MSL2 and MCRS1 show strong enrichments for annotated ESC enhancers. The vast majority of the binding to these ESC distal regulatory elements is lost in NPCs. Finally, we identify mostly intronic and intergenic regions with predominant MSL2 enrichments without the presence of its known interactors. These binding sites do not overlap with ESC marks of active chromatin (e.g. DNase hypersensitivity sites), but the they increase in number upon differentiation and we detect a strong signature of the (CAGA)n motif. Our study provides the first comprehensive analysis of MOF in the context of its two complexes in the mouse and reveals shared as well as distinct and dynamic functions for gene regulation and pluripotency. ChIP-seq of MOF and members of its associated complexes (MSL complex: MSL1, MSL2; NSL complex: KANSL3, MCRS1) in male mouse embryonic stem cells and neuronal progenitor cells derived from them.
2014-06-03 | E-GEOD-51746 | biostudies-arrayexpress
Project description:We assessed the genome-wide binding of the histone acetylase MOF and members of its two associated complexes, the male-specific lethal and the non-specific lethal complex (MSL, NSL). We generated ChIP-seq profiles for MOF, MSL1, MSL2, KANSL3, and MCRS1 from mouse embryonic stem cells and neuronal progenitor cells. By using two replicates per sample and stringent filtering criteria, we identify five basic groups of genome regions where the proteins show either mutual or exclusive binding. We find that the NSL complex members (KANSL3, MCRS1) target the TSSs of broadly expressed genes with housekeeping functions in both cell types. MOF and particularly the MSL complex target a subset of these NSL-complex-targets, too. In addition, we find several thousand TSS-distal binding sites, particularly in ESCs, where KANSL3, MSL2 and MCRS1 show strong enrichments for annotated ESC enhancers. The vast majority of the binding to these ESC distal regulatory elements is lost in NPCs. Finally, we identify mostly intronic and intergenic regions with predominant MSL2 enrichments without the presence of its known interactors. These binding sites do not overlap with ESC marks of active chromatin (e.g. DNase hypersensitivity sites), but the they increase in number upon differentiation and we detect a strong signature of the (CAGA)n motif. Our study provides the first comprehensive analysis of MOF in the context of its two complexes in the mouse and reveals shared as well as distinct and dynamic functions for gene regulation and pluripotency.
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Project description:We have studied the regulatory potential of MYST1-(MOF)-containing MSL and NSL complexes in mouse embryonic stem cells (ESCs) and neuronal progenitors. We find that both complexes influence transcription by binding to promoters as well as TSS-distal enhancer regions. In contrast to flies, the MSL complex is not enriched on the X chromosome yet it is crucial for mammalian X chromosome regulation as it specifically regulates Tsix ncRNA, the major repressor of Xist lncRNA. MSL depletion leads to severely decreased Tsix expression, reduced REX1 recruitment, and consequently accumulation of Xist RNA in ESCs. The NSL complex provides additional, Tsix-independent repression of Xist by maintaining pluripotency. MSL and NSL complexes therefore act synergistically by using distinct pathways to ensure a fail-safe mechanism for the repression of X inactivation in ESCs. We have performed ChIP-seq of KANSL3, MCRS1, MOF, MSL1 and MSL2 in mouse ESCs, and KANSL3, MOF and MSL2 in NPCs, in duplicate and normalised against their inputs. We have also performed RNA-seq following knockdown of Kansl3, Mof, Msl1 and Msl2 mouse embryonic stem cells in triplicate. NB: Kansl3 and Mof knockdown-RNAseq are analyzed against their own scrambled controls, and Msl1 and Msl2 against another scrambled control triplicate.
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Project description:The histone acetyltransferase (HAT) Mof is essential for mouse embryonic stem cells (mESC) pluripotency and early development. Mof is the enzymatic subunit of two different HAT complexes, MSL (Male-Specific Lethal) and NSL (Non-specific lethal). The individual contribution of MSL and NSL complexes to transcription regulation in mESCs is not well understood. Our genome-wide analysis of MSL and NSL localization show that i) MSL and NSL bind to specific and common sets of expressed genes, ii) NSL binds at promoters, iii) while MSL binds in gene bodies. Knockdown of Msl1 leads to a global loss of histone H4K16ac indicating that MSL is the main HAT acetylating H4K16 in mESCs. MSL was enriched at many mESC-specific genes, but also at bivalent domains. Thus, NSL and MSL HAT complexes differentially regulate specific sets of expressed genes in mESCs. Furthermore, MSL is essential for the regulation of key mESC-specific and bivalent developmental genes.
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Project description:The histone acetyltransferase (HAT) Mof is essential for mouse embryonic stem cells (mESC) pluripotency and early development. Mof is the enzymatic subunit of two different HAT complexes, MSL (Male-Specific Lethal) and NSL (Non-specific lethal). The individual contribution of MSL and NSL complexes to transcription regulation in mESCs is not well understood. Our genome-wide analysis of MSL and NSL localization show that i) MSL and NSL bind to specific and common sets of expressed genes, ii) NSL binds at promoters, iii) while MSL binds in gene bodies. Knockdown of Msl1 leads to a global loss of histone H4K16ac indicating that MSL is the main HAT acetylating H4K16 in mESCs. MSL was enriched at many mESC-specific genes, but also at bivalent domains. Thus, NSL and MSL HAT complexes differentially regulate specific sets of expressed genes in mESCs. Furthermore, MSL is essential for the regulation of key mESC-specific and bivalent developmental genes.
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Project description:The histone acetyltransferase (HAT) Mof is essential for mouse embryonic stem cells (mESC) pluripotency and early development. Mof is the enzymatic subunit of two different HAT complexes, MSL (Male-Specific Lethal) and NSL (Non-specific lethal). The individual contribution of MSL and NSL complexes to transcription regulation in mESCs is not well understood. Our genome-wide analysis of MSL and NSL localization show that i) MSL and NSL bind to specific and common sets of expressed genes, ii) NSL binds at promoters, iii) while MSL binds in gene bodies. Knockdown of Msl1 leads to a global loss of histone H4K16ac indicating that MSL is the main HAT acetylating H4K16 in mESCs. MSL was enriched at many mESC-specific genes, but also at bivalent domains. Thus, NSL and MSL HAT complexes differentially regulate specific sets of expressed genes in mESCs. Furthermore, MSL is essential for the regulation of key mESC-specific and bivalent developmental genes. Genome-wide comparions of Msl1 and Nsl1 binding in mESCs
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Project description:In this study, we screened KDM5C-binding proteins and found that Yin Yang 1 (YY1) interacts with KDM5C. Interestingly, a synergistic antitumor effect was exerted when both KDM5C and YY1 were depleted, and targeting YY1 appeared to be a vulnerability in KDM5C-deficient cancer cells. Mechanistically, KDM5C is essential for global YY1 chromatin recruitment, especially at promoters. Moreover, an intact KDM5C JmjC domain but not KDM5C histone demethylase activity is required for KDM5C-mediated YY1 chromatin binding.Transcriptional profiling revealed that dual inhibition of KDM5C and YY1 led to significantly increased transcriptional repression of many cell cycle- and apoptosis-related genes. In summary, our work demonstrates a synthetic lethal interaction between YY1 and KDM5C and suggests a therapeutic vulnerability that can be targeted using combination therapies.
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