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Effect of lactic acid bacterium 2004 on transcription profile in wildtype animals and daf-16 mutants.

ABSTRACT: Effect of lactic acid bacterium 2004 on transcription profile in wildtype animals and daf-16 mutants.

PROVIDER: PRJNA1008282 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR25734005_1.fastq.gz	Fastqsanger.gz
	SRR25734005_2.fastq.gz	Fastqsanger.gz
	SRR25734006_1.fastq.gz	Fastqsanger.gz
	SRR25734006_2.fastq.gz	Fastqsanger.gz
	SRR25734007_1.fastq.gz	Fastqsanger.gz

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Effect of lactic acid bacterium 2004 on transcription profile in wildtype animals and daf-16 mutants.

Project description:Examine the effect of lactic bacterium 2004 supplementation on expression profile in wld type animals.

2024-05-14 | GSE241495 | GEO

Adult C. elegans: Control daf-2 mutants treated with daf-16 RNAi vs. daf-2 mutants treated with empty vector RNAi

Project description:Transcriptional profiling of adult C. elegans comparing daf-16(-); daf-2(-) animals with adult daf-2(-) animals.

2010-01-01 | GSE18561 | GEO

Identification of DAF-16/FoxO targets associated with longevity

Project description:FoxO transcription factors can promote longevity in invertebrates and mammals. In C.elegans, the FoxO family member DAF-16 is required for lifespan extension in the contexts of daf-2/IGFR mutation and germline ablation. The daf-16 genomic locus encodes three distinct groups of transcripts (a,b, and d/f/h). In animals with reduced insulin signaling or ablated germlines, mutations that reduce daf-16a and d/f/h levels without affecting daf-16b reduce lifespan to the same extent as daf-16 null mutations. We reasoned that identifying a set of targets of the daf-16a and d/f/h isoforms that are differentially regulated in two contexts of reduced insulin signaling and in germline ablated animals would enrich for the daf-16 transcriptional targets that are required for longevity. We identified targets that were differentially regulated in daf-2(e1368) and daf-2(e1370) mutants relative to wild-type, and differentially regulated in the opposite direction from WT in compound mutants with both daf-16(mg54), which eliminates the a and d/f/h isoforms, and daf-16(mu86) which is a predicted null allele. We performed a similar analysis in glp-1(e2141) germline ablated animals (omitting the wild-type comparison). We then identified daf-16 targets associated with longevity (dal genes) which were found in all three sets of comparisons.

2019-03-01 | GSE111338 | GEO

Adult C. elegans: Control daf-2 mutants treated with daf-16 RNAi vs. daf-2 mutants treated with empty vector RNAi

Project description:Transcriptional profiling of adult C. elegans comparing daf-16(-); daf-2(-) animals with adult daf-2(-) animals. Two-condition experiment, daf-2 mutants treated with daf-16 RNAi vs. daf-2 mutants treated with empty vector RNAi. Biological replicates: 8 daf-2 mutants treated with daf-16 RNAi vs. daf-2 mutants treated with empty vector RNAi, independently grown and harvested. One replicate per array.

2010-05-16 | E-GEOD-18561 | biostudies-arrayexpress

daf-16/FoxO isoform-specific deletion mutants

Project description:FoxO transcription factors promote longevity across taxa. How they do so is poorly understood. In the nematode Caenorhabditis elegans, the A- and F-isoforms of the FoxO transcription factor DAF-16 extend life span in the context of reduced DAF-2 insulin-like growth factor receptor (IGFR) signaling. To elucidate the mechanistic basis for DAF-16/FoxO-dependent life span extension, we performed an integrative analysis of isoform-specific daf-16/FoxO mutants. In contrast to previous studies suggesting that DAF-16F plays a more prominent role in life span control than DAF-16A, isoform-specific daf-16/FoxO mutant phenotypes and whole transcriptome profiling revealed a predominant role for DAF-16A over DAF-16F in life span control, stress resistance, and target gene regulation. Integration of these data sets enabled the prioritization of a subset of 92 DAF-16/FoxO target genes for functional interrogation. Among 29 genes tested, two DAF-16A-specific target genes significantly influenced longevity. Our discovery of new longevity genes underscores the efficacy of our integrative strategy while providing a general framework for identifying specific downstream gene regulatory events that contribute substantially to transcription factor functions. As FoxO transcription factors have conserved functions in promoting longevity and may be dysregulated in aging-related diseases, these findings promise to illuminate fundamental principles underlying aging in animals.

2015-08-27 | GSE72426 | GEO

DAF-16/FoxO and EGL-27/GATA promote developmental growth in response to persistent somatic DNA damage [N2, daf-2, daf-16, daf-2;daf-16]

Project description:Genome maintenance defects cause complex disease phenotypes characterized by developmental failure, cancer susceptibility and premature aging. It remains poorly understood how DNA damage responses function during organismal development and maintain tissue functionality when DNA damage accumulates with aging. Here we show that the FoxO transcription factor DAF-16 is activated in response to DNA damage during development while the DNA damage responsiveness of DAF-16 declines with aging. We find that in contrast to its established role in mediating starvation arrest, DAF-16 alleviates DNA damage induced developmental arrest and even in the absence of DNA repair promotes developmental growth and enhances somatic tissue functionality. We demonstrate that the GATA transcription factor EGL-27 co-regulates DAF-16 target genes in response to DNA damage and together with DAF-16 promotes developmental growth. We propose that EGL-27/GATA activity specifies DAF-16 mediated DNA damage responses to enable developmental progression and to prolong tissue functioning when DNA damage persists.

2014-11-18 | GSE51162 | GEO

C. elegans microarrays: daf-2(-) vs. daf-2(-) xbp-1(-)

2010-02-03 | GSE20148 | GEO

daf-16/FoxO isoform-specific deletion mutants

2015-08-27 | E-GEOD-72426 | biostudies-arrayexpress

Genes regulated by PMK-1 and DAF-16 in a daf-2(e1368) background.

Project description:Analysis of genes differentially expressed between daf-2(e1368) and daf-2(e1368);pmk-1(km25) and between daf-2(e1368) and daf-2(e1368);daf-16(mgDf47). These studies identified genes upregulated by wild-type PMK-1 and wild-type DAF-16. Keywords: genetic modification

2007-02-08 | GSE5801 | GEO

C. elegans microarrays: daf-2(-) vs. daf-2(-) xbp-1(-)

Project description:Transcriptional profiling of day 1 animals comparing untreated daf-2(-) animals and daf-2(-) xbp-1(-) animals. Goal was to identify genes whose expression in daf-2 mutants is dependent (directly or indirectly) on xbp-1. Two-condition experiment, daf-2(-) animals and daf-2(-) xbp-1(-) animals. 4 Biological replicates in daf-2(e1370) background: 4 sets of daf-2(e1370) animals and their matching daf-2(e1370) xbp-1(zc12) animals. 4 Biological replicates in daf-2(e1368) background: 4 sets of daf-2(e1368) animals and their matching daf-2(e1368) xbp-1(zc12) animals.

2010-02-02 | E-GEOD-20148 | biostudies-arrayexpress

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