Cited by 33Microbial Metabolic Engineering and BioproductionGenetics, Aging, and Longevity in Model OrganismsBioinformatics and Genomic Networks

A genome-scale database and reconstruction of Caenorhabditis elegans metabolism

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Gebauer, Juliane, Gentsch, Christoph, Mansfeld, Johannes, Schmeißer, Kathrin, Waschina, Silvio, Brandes, Susanne, Klimmasch, Lukas, Zamboni, Nicola +5 more·2016·Cell Systems

Abstract

We present a genome-scale model of Caenorhabditis elegans metabolism along with the public database ElegCyc (http://elegcyc.bioinf.uni-jena.de:1100), which represents a reference for metabolic pathways in the worm and allows for the visualization as well as analysis of omics datasets. Our model reflects the metabolic peculiarities of C. elegans that make it distinct from other higher eukaryotes and mammals, including mice and humans. We experimentally verify one of these peculiarities by showing that the lifespan-extending effect of L-tryptophan supplementation is dose dependent (hormetic). Finally, we show the utility of our model for analyzing omics datasets through predicting changes in amino acid concentrations after genetic perturbations and analyzing metabolic changes during normal aging as well as during two distinct, reactive oxygen species (ROS)-related lifespan-extending treatments. Our analyses reveal a notable similarity in metabolic adaptation between distinct lifespan-extending interventions and point to key pathways affecting lifespan in nematodes.

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Crossref · 10.1016/j.cels.2016.04.017

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Authors
Gebauer, J., Gentsch, C., Mansfeld, J., Schmeißer, K., Waschina, S., Brandes, S., Klimmasch, L., Zamboni, N., Zarse, K., Schuster, S., Ristow, M., Schäuble, S., & Kaleta, C.
Affiliations
  • Friedrich Schiller University Jena (DE)
  • ETH Zurich (CH)
  • Christian-Albrechts-Universität zu Kiel (DE)
  • Leibniz-Institut für Naturstoff-Forschung und Infektionsbiologie e. V. - Hans-Knöll-Institut (HKI) (DE)
Corresponding author
Kaleta, Christoph
Venue
Cell Systems
Publisher
Elsevier BV
Published
2016-05
Volume
2
Issue
5
Pages
312-322
ISSN
2405-4712 (ISSN-L)
OpenAlex
W2406866966
Cited by
33
References
101
Citations by year
2025: 2 · 2024: 2 · 2023: 1 · 2022: 1 · 2021: 3 · 2020: 6 · 2019: 7 · 2018: 4 · 2017: 5 · 2016: 2
FWCI
3.12
Type
journal article
Language
en
Open access
Locations
  • Cell Systems (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
Keywords
Caenorhabditis elegans, genome-scale metabolic models, metabolic pathways, tryptophan, hormesis, lifespan extension, aging, reactive oxygen species, amino acid content, gene perturbation, omics data analysis, metabolic adaptation
MeSH terms
Animals, Humans, Longevity, Genome, Caenorhabditis elegans, Reactive Oxygen Species, Caenorhabditis elegans Proteins, Databases, Genetic, Mice, Hormesis

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