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The chromatin factors SET-26 and HCF-1 oppose the histone deacetylase HDA-1 in longevity and gene regulation in C. elegans

ABSTRACT: The chromatin factors SET-26 and HCF-1 oppose the histone deacetylase HDA-1 in longevity and gene regulation in C. elegans

PROVIDER: PRJNA929524 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR23274300_1.fastq.gz	Fastqsanger.gz
	SRR23274300_2.fastq.gz	Fastqsanger.gz
	SRR23274301_1.fastq.gz	Fastqsanger.gz
	SRR23274301_2.fastq.gz	Fastqsanger.gz
	SRR23274302_1.fastq.gz	Fastqsanger.gz

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The chromatin factors SET-26 and HCF-1 oppose the histone deacetylase HDA-1 in longevity and gene regulation in C. elegans [CUT&RUN]

Project description:SET-26, HCF-1, and HDA-1 are highly conserved chromatin factors with key roles in development and aging. Here we present mechanistic insights into how these factors regulate gene expression and modulate longevity in C. elegans. We show that SET-26 and HCF-1 cooperate to regulate a common set of genes, and both antagonize the histone deacetylase HDA-1 to limit longevity. We propose a model in which SET-26 recruits HCF-1 to chromatin in somatic cells, where they stabilize each other at the promoters of a subset of genes, particularly mitochondrial function genes, and regulate their expression. HDA-1 opposes SET-26 and HCF-1 on the regulation of a subset of their common target genes and in longevity. Our findings suggest that SET-26, HCF-1, and HDA-1 comprise a mechanism to fine-tune gene expression and longevity and likely have important implications for the mechanistic understanding of how these factors function in diverse organisms, particularly in aging biology.

2024-01-29 | GSE224076 | GEO

The chromatin factors SET-26 and HCF-1 oppose the histone deacetylase HDA-1 in longevity and gene regulation in C. elegans [RNA-Seq]

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The chromatin factors SET-26 and HCF-1 oppose the histone deacetylase HDA-1 in longevity and gene regulation in C. elegans [RNA-Seq]

Project description:The chromatin factors SET-26 and HCF-1 oppose the histone deacetylase HDA-1 in longevity and gene regulation in C. elegans [RNA-Seq]

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The chromatin factors SET-26 and HCF-1 oppose the histone deacetylase HDA-1 in longevity and gene regulation in C. elegans [CUT&RUN]

Project description:The chromatin factors SET-26 and HCF-1 oppose the histone deacetylase HDA-1 in longevity and gene regulation in C. elegans [CUT&RUN]

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The chromatin factors SET-26 and HCF-1 oppose the histone deacetylase HDA-1 in longevity and gene regulation in C. elegans

Project description:In this study, a GFP-tagged version of the protein HCF-1 was immuno-precipitated from C. elegans lysates of the strain IU171 and co-purifying proteins were identified by LC-MS/MS. As a negative control, the same immuno-precipitation was conducted from wild-type (strain N2) worms that did not carry a HCF-1::GFP transgene.

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The chromatin factors SET-26 and HCF-1 oppose the histone deacetylase HDA-1 in longevity and gene regulation in C. elegans.

Project description:SET-26, HCF-1, and HDA-1 are highly conserved chromatin factors with key roles in development and aging. Here we present mechanistic insights into how these factors regulate gene expression and modulate longevity in C. elegans. We show that SET-26 and HCF-1 cooperate to regulate a common set of genes, and both antagonize the histone deacetylase HDA-1 to limit longevity. HCF-1 localization at chromatin is largely dependent on functional SET-26, whereas SET-26 is only minorly affected by loss of HCF-1, suggesting that SET-26 could recruit HCF-1 to chromatin. HDA-1 opposes SET-26 and HCF-1 on the regulation of a subset of their common target genes and in longevity. Our findings suggest that SET-26, HCF-1, and HDA-1 comprise a mechanism to fine-tune gene expression and longevity and likely have important implications for the mechanistic understanding of how these factors function in diverse organisms, particularly in aging biology.

| S-EPMC10940595 | biostudies-literature

The chromatin factors SET-26 and HCF-1 oppose the histone deacetylase HDA-1 in longevity and gene regulation in <i>C. elegans</i>.

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The chromatin factors SET-26 and HCF-1 oppose the histone deacetylase HDA-1 in longevity and gene regulation in C. elegans

Project description:This SuperSeries is composed of the SubSeries listed below.

2024-01-29 | GSE224078 | GEO

DVE-1_ChIP-seq and HDA-1_ChIP-seq of worms

Project description:Mitochondria are important organelles, but their function is often challenged by toxic products of metabolism as well as by pathogen attack. The mitochondrial unfolded protein response (UPRmt) monitors mitochondrial function in general: it is responsible for buffering the mitochondrial protein folding environment, and controlling mitochondria-nuclear balance of the electron transport chain (ETC) components. Besides, UPRmt plays essential roles in aging and lifespan. Here we found that knocking down histone deacetylase hda-1 robustly attenuated UPRmt and lifespan extension. We identified HDA-1 as a required factor for UPRmt activation and HDA-1 is associated with the homeobox domain-containing protein DVE-1.So, we performed ChIP-seq of worms to find DNA regions on which HDA-1 and DVE-1 bound, and if their binding depend on each other.

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Project description:We used microarrays to identify genes regulated by HCF-1 in a daf-16-dependent manner. Samples from young adult worms were hybridized to Agilent microarrays to identify genes differentially expressed in hcf-1(pk924)/daf-16(mgDf47);hcf-1(pk924) and compared to hcf-1(pk924)/N2 arrays.

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