Lifespan changes: From wild type to daf-16;daf-19
20
15.3
-18.62%
Loss of daf-16 markedly reduced but, in most cases, did not completely eliminate lifespan extension. Thus, most of this lifespan extension requires daf-16 activity, but a fraction is daf-16 independent. daf-16 could act downstream of a sensory signal to regulate lifespan, or it could act in a parallel pathway to provide an activity that these animals simply require for their longevity.
Double mutant daf-16(mu86);daf-19(m86) has a lifespan of 15.3 days, while single mutant daf-19(m86) has a lifespan of 24.5 days and wild type has a lifespan of 18.8 days.
Contains dependence
Apfeld J, Kenyon C, 1999, Regulation of lifespan by sensory perception in Caenorhabditis elegans. Nature. 402(6763):804-9 
10617200
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Forkhead box protein O;hypothetical protein
Locus: CELE_R13H8.1
Wormbase description: daf-16 encodes the sole C. elegans forkhead box O (FOXO) homologue; DAF-16 functions as a transcription factor that acts in the insulin/IGF-1-mediated signaling (IIS) pathway that regulates dauer formation, longevity, fat metabolism, stress response, and innate immunity; DAF-16 regulates these various processes through isoform-specific expression, isoform-specific regulation by different AKT kinases, and differential regulation of target genes; DAF-16 can interact with the CBP-1 transcription cofactor in vitro, and interacts genetically with other genes in the insulin signaling and with daf-12, which encodes a nuclear hormone receptor; DAF-16 is activated in response to DNA damage during development and co-regulated by EGL-27, alleviates DNA-damage-induced developmental arrest by inducing DAF-16-associated element (DAE)-regulated genes; DAF-16 is broadly expressed but displays isoform-specific tissue enrichment; DAF-16 localizes to both the cytoplasm and the nucleus, with the ratio between the two an important regulator of function.
RFX-like transcription factor daf-19;hypothetical protein
Locus: CELE_F33H1.1
Wormbase description: daf-19 is the sole C. elegans member of the RFX family of transcription factors, and is required for sensory neuron cilium formation; DAF-19 is expressed in ciliated sensory neurons during the period that their cilia are generated, and probably functions as an common transcriptional activator of many genes that specifically encode cilial structures in sensory neurons; daf-19 mutants lack sensory cilia, have abnormal amphids, are strongly dauer-constutive, lack normal openings of the amphids to the external environment (i.e., fail to show dye-filling), and are highly defective in their ability to taste or smell; DAF-19 regulates bbs-5, che-2, che-13, dyf-3, osm-1, osm-6, and xbx-1 expression, and probably regulates ~200 other genes (e.g., bbs-2, bbs-7 and bbs-8); the localization of DAF-6 is aberrant in daf-19 mutants.
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SynergyAge database hosts high-quality, manually curated information about the synergistic and antagonistic lifespan effects of genetic interventions in model organisms, also allowing users to explore the longevity relationships between genes in a visual way.
If you would like to cite this database please use:
Bunu, G., Toren, D., Ion, C. et al. SynergyAge, a curated database for synergistic and antagonistic interactions of longevity-associated genes. Sci Data 7, 366 (2020). https://doi.org/10.1038/s41597-020-00710-z
Group webpage: www.aging-research.group
