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Chromatin-remodeling factor OsINO80 regulate H2A.Z incorporation [anti-H2A.Z & H3 ChIP-seq]

ABSTRACT: Chromatin-remodeling factor OsINO80 regulate H2A.Z incorporation [anti-H2A.Z & H3 ChIP-seq]

PROVIDER: PRJNA753508 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15408981_1.fastq.gz	Fastqsanger.gz
	SRR15408981_2.fastq.gz	Fastqsanger.gz
	SRR15408982_1.fastq.gz	Fastqsanger.gz
	SRR15408982_2.fastq.gz	Fastqsanger.gz
	SRR15408983_1.fastq.gz	Fastqsanger.gz

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Chromatin-remodeling factor OsINO80 regulate H2A.Z incorporation [OsINO80 ChIP-seq]

Project description:Chromatin-remodeling factor OsINO80 regulate H2A.Z incorporation [OsINO80 ChIP-seq]

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Chromatin-remodeling factor OsINO80 regulate H2A.Z incorporation [anti-H2A.Z & H3 ChIP-seq]

Project description:INO80, one member of ATP-ase remodeler factor, play a role on chromatin dynamic modulation. OsINO80 (LOC_Os03g22900) is identified as a homologue of INO80 in rice. To study the function of OsINO80 on H2A.Z, we analyzed the distribution of OsINO80 and H2A.Z in 14-week-old seedling of Oryza stative Japanese rice plant through ChIP assay following by high through sequencing (ChIP-seq).Integrated analysis showed that OsINO80 regulate the H2A.Z level.

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Chromatin-remodeling factor OsINO80 regulate H2A.Z incorporation [OsINO80 ChIP-seq]

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ChIP-seq for OsINO80 location using YFP antibody, and ChIP-seq for WT and osino80 using H3, H2A, H2A.Z, H2Aub, H3K9me2, H3K4me2, H3K4me3, H3K27me3, and H3K36me3 antibodies

Project description:To investigate the effect of the OsINO80, we analysed OsINO80 binding regions and analysed genome-wide H3, H2A, H2A.Z, H2Aub, H3K9me2, H3K4me2, H3K4me3, H3K27me3, and H3K36me3 in the mutant and WT by ChIP-seq.

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H3 Acetylation promotes H2A.Z incorporation into chromatin through SWR1 recruitment to stimulate expression.

Project description:Following DNA replication, canonical H2A in eukaryotes is frequently replaced by histone variants, such as the conserved H2A.Z. Chromatin remodelers like the SWR1 complex facilitate this process, substituting the H2A histone with H2A.Z in an ATP-dependent manner. However, the precise mechanisms that recruit SWR1 to specific loci remain partially studied. In this study, we investigate the role of H3 acetylation in mediating the incorporation of H2A.Z into the chromatin to promote gene expression. Our results show that artificially induced hyperacetylation is associated with higher levels of H2A.Z and a decrease in H2A.W (HTA6 and HTA7). This phenomenon is also observed in histone deacetylases HDA6 and HDA9 defective backgrounds. Moreover, H2A.Z is required for the phenotype observed in hda6-1 and hda9-1

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H3 Acetylation promotes H2A.Z incorporation into chromatin through SWR1 recruitment to stimulate expression.

Project description:H3 Acetylation promotes H2A.Z incorporation into chromatin through SWR1 recruitment to stimulate expression.

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A histone acetylation switch regulates H2A.Z deposition by the SWR-C remodeling enzyme

Project description:The histone variant H2A.Z plays key roles in gene expression, DNA repair, and centromere function. H2A.Z deposition is controlled by SWR-C chromatin remodeling enzymes that catalyze the nucleosomal exchange of canonical H2A with H2A.Z. Here we report that acetylation of histone H3 lysine 56 (H3-K56Ac) alters the substrate specificity of SWR-C, leading to promiscuous dimer exchange where either H2A.Z or H2A can be exchanged from nucleosomes. This result is confirmed in vivo, where genome-wide analysis demonstrates widespread decreases in H2A.Z levels in yeast mutants with hyperacetylated H3K56. Our work also suggests that a conserved SWR-C subunit may function as a M-bM-^@M-^\lockM-bM-^@M-^] that prevents removal of H2A.Z from nucleosomes. Our study identifies a histone modification that regulates a chromatin remodeling reaction and provides insights into how histone variants and nucleosome turnover can be controlled by chromatin regulators. H2A.Z ChIP seq experiments in mutants with constitutive H3K56ac

2013-04-15 | E-GEOD-43935 | biostudies-arrayexpress

H3 Acetylation promotes H2A.Z incorporation into chromatin through SWR1 recruitment to stimulate expression [RNA-Seq]

Project description:H3 Acetylation promotes H2A.Z incorporation into chromatin through SWR1 recruitment to stimulate expression [RNA-Seq]

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A histone acetylation switch regulates H2A.Z deposition by the SWR-C remodeling enzyme

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2013-04-15 | GSE43935 | GEO

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