Cited by 88Microbial Metabolic Engineering and BioproductionGene Regulatory Network AnalysisBioinformatics and Genomic Networks

A Caenorhabditis elegans genome-scale metabolic network model

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Yilmaz, L. Safak, Walhout, Albertha J.M.·2016·Cell Systems

Abstract

Caenorhabditis elegans is a powerful model to study metabolism and how it relates to nutrition, gene expression, and life history traits. However, while numerous experimental techniques that enable perturbation of its diet and gene function are available, a high-quality metabolic network model has been lacking. Here, we reconstruct an initial version of the C. elegans metabolic network. This network model contains 1,273 genes, 623 enzymes, and 1,985 metabolic reactions and is referred to as iCEL1273. Using flux balance analysis, we show that iCEL1273 is capable of representing the conversion of bacterial biomass into C. elegans biomass during growth and enables the predictions of gene essentiality and other phenotypes. In addition, we demonstrate that gene expression data can be integrated with the model by comparing metabolic rewiring in dauer animals versus growing larvae. iCEL1273 is available at a dedicated website (wormflux.umassmed.edu) and will enable the unraveling of the mechanisms by which different macro- and micronutrients contribute to the animal's physiology.

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Crossref · 10.1016/j.cels.2016.04.012

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Authors
Yilmaz, L. S., & Walhout, A. J. M.
Affiliations
University of Massachusetts Chan Medical School (US)
Corresponding author
  • Yilmaz, L. Safak
  • Walhout, Albertha J.M.
Venue
Cell Systems
Publisher
Elsevier BV
Published
2016-05
Volume
2
Issue
5
Pages
297-311
ISSN
2405-4712 (ISSN-L)
OpenAlex
W2398956125
Cited by
88
References
59
Citations by year
2026: 4 · 2025: 8 · 2024: 8 · 2023: 6 · 2022: 7 · 2021: 11 · 2020: 16 · 2019: 10 · 2018: 8 · 2017: 8 · 2016: 2
FWCI
4.85
Type
journal article
Language
en
Open access
Locations
  • Cell Systems (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • The Journal of the American Medical Association (JAMA) Network (American Medical Association) (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute of General Medical Sciences (R21GM108045)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
Keywords
Caenorhabditis elegans, genome-scale metabolic networks, metabolic network reconstruction, flux balance analysis, gene essentiality prediction, metabolic reprogramming, dauer larvae, gene expression data integration
MeSH terms
Animals, Models, Biological, Phenotype, Caenorhabditis elegans, Biomass, Micronutrients, Caenorhabditis elegans Proteins, Metabolic Networks and Pathways

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