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Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Lifespan Assurance [HSF-1 transcriptome in the soma]

ABSTRACT: Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Lifespan Assurance [HSF-1 transcriptome in the soma]

PROVIDER: PRJNA838551 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19393140_1.fastq.gz	Fastqsanger.gz
	SRR19393140_2.fastq.gz	Fastqsanger.gz
	SRR19393141_1.fastq.gz	Fastqsanger.gz
	SRR19393141_2.fastq.gz	Fastqsanger.gz
	SRR19393142_1.fastq.gz	Fastqsanger.gz

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Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Lifespan Assurance [HSF-1 transcriptome in the soma]

Project description:To determine the transcriptional program of HSF-1 in lifespan assurance in C. elegans, we coupled HSF-1 depletion specifically from the soma by auxin-inducible degron (AID) with RNA-seq analyses in whole animals. Depletion of HSF-1 from the soma was performed by transferring worms that express the E3 ligase TIR1 in somatic tissues and carry AID insertion to the endogenous HSF-1 onto NGM plates containing 1mM auxin (indole- 3-acetic acid, Sigma). The mock treatment was done by transferring worms to plates only containing the vehicle ethanol (EtOH). We analyzed the transcriptomic changes by RNA-seq upon soma-specific depletion of HSF-1 initiated at young adult stage for different length of time. We included the strains that only express TIR1 but do not have degron insertion at HSF-1 (CA1200) to control for the effects of auxin treatment and AID insertion into HSF-1. We performed analyses in the wild-type background (JTL611) as well as in the longlived, germline stem cell (GSC) arrested glp-1(e2141) mutant (JTL667). The AID model in fem-3(q20) mutant (JTL670) was included as a control for JTL667. JTL670 (fem-3) is sterile at 25°C as JTL667 (glp-1) but has normal lifespan.

2022-05-19 | GSE203087 | GEO

Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Reproduction, Lifespan Assurance and Heat Shock Response.

Project description:Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Reproduction, Lifespan Assurance and Heat Shock Response.

| PRJNA680487 | ENA

Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Reproduction and Heat Shock Response. [Germline - Timecourse]

Project description:To understand the roles of HSF-1 and its regulation in reproduction and heat shock response in a tissue-specific manner, we coupled tissue-specific HSF-1 depletion in C. elegans by auxin-inducible degron (AID) with genome-wide transcriptional analyses in whole animals. We used ChIP-seq to analyze the occupancy of HSF-1 (tagged with AID::GFP) and RNA Pol II in young adult (YA) animals grown at 20°C or upon heat shock (HS) at 34°C for 30 min following an acute depletion of HSF-1 by AID for 2 hours either in the somatic or in the germline cells. Depletion by AID was performed by transferring worms expressing the E3 ligase TIR1 and carrying AID insertion to endogenous HSF-1 (JTL611 or JTL621) to NGM plates containing 1mM auxin (indole- 3-acetic acid, Sigma). The mock treatment was done by transferring worms to plates only containing the vehicle ethanol (EtOH). In parallel, we used RNA-seq to analyze the heat shock respnse upon depletion of HSF-1 in the soma or the germline for 2 hours. In addition, we also analyzed the transcriptomic changes by RNA-seq upon tissue-specific depletion of HSF-1 initiated at young adult stage for different length of time. In all RNA-seq analyses, we included the strains that only express TIR1 but do not have degron insertion at HSF-1 (CA1200 and CA1199) to control for the effects of auxin treatment and AID insertion into HSF-1.

2021-07-01 | GSE162066 | GEO

Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Reproduction and Heat Shock Response. [HS response]

2021-07-01 | GSE162064 | GEO

Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Reproduction and Heat Shock Response. [ChIP-Seq]

2021-07-01 | GSE162063 | GEO

Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Reproduction, Lifespan Assurance and Heat Shock Response.

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

2021-07-01 | GSE162067 | GEO

Auxin-Inducible Degron System Reveals Temporal-Spatial Roles of HSF-1 and Its Transcriptional Program in Lifespan Assurance.

Project description:HSF-1 is a key regulator of cellular proteotoxic stress response and is required for animal lifespan. In C. elegans, HSF-1 mediated heat shock response (HSR) declines sharply on the first day of adulthood, and HSF-1 was proposed to function primarily during larval stages for lifespan assurance based on studies using RNAi. The tissue requirement for HSF-1 in lifespan, however, is not well understood. Using the auxin-inducible degron (AID) system, we manage to uncouple the roles of HSF-1 in development and longevity. In wild-type animals, we find HSF-1 is required during the whole self-reproductive period for lifespan. This period is extended in long-lived animals that have arrested germline stem cells (GSC) or reduced insulin/IGF-1 signaling (IIS). While depletion of HSF-1 from any major somatic tissues during development results in severe defects, HSF-1 primarily functions in the intestine and likely neural system of adults to support lifespan. Finally, by combining AID and genome-wide transcriptional analyses, we find HSF-1 directly activates the transcription of constitutively-expressed chaperone and co-chaperone genes among others in early adulthood, which underlies its roles in longevity assurance.

| S-EPMC9309338 | biostudies-literature

Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Reproduction and Heat Shock Response. [ChIP-Seq]

Project description:Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Reproduction and Heat Shock Response. [ChIP-Seq]

| PRJNA680485 | ENA

Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Reproduction and Heat Shock Response. [Germline - Timecourse]

Project description:Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Reproduction and Heat Shock Response. [Germline - Timecourse]

| PRJNA680495 | ENA

Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Reproduction and Heat Shock Response. [HS response]

Project description:Using Auxin-inducible-degradation System to Interrogate Tissue-specific Transcriptional Programs of HSF-1 in Reproduction and Heat Shock Response. [HS response]

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