Cited by 785Microbial Metabolic Engineering and BioproductionBacterial Genetics and BiotechnologyGene Regulatory Network Analysis

Overflow metabolism in Escherichia coli results from efficient proteome allocation

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Basan, Markus, Hui, Sheng, Okano, Hiroyuki, Zhang, Zhongge, Shen, Yang, Williamson, James R., Hwa, Terence·2015·Nature

Abstract

Overflow metabolism refers to the seemingly wasteful strategy in which cells use fermentation instead of the more efficient respiration to generate energy, despite the availability of oxygen. Known as the Warburg effect in the context of cancer growth, this phenomenon occurs ubiquitously for fast-growing cells, including bacteria, fungi and mammalian cells, but its origin has remained unclear despite decades of research. Here we study metabolic overflow in Escherichia coli, and show that it is a global physiological response used to cope with changing proteomic demands of energy biogenesis and biomass synthesis under different growth conditions. A simple model of proteomic resource allocation can quantitatively account for all of the observed behaviours, and accurately predict responses to new perturbations. The key hypothesis of the model, that the proteome cost of energy biogenesis by respiration exceeds that by fermentation, is quantitatively confirmed by direct measurement of protein abundances via quantitative mass spectrometry.

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Authors
Basan, M., Hui, S., Okano, H., Zhang, Z., Shen, Y., Williamson, J. R., & Hwa, T.
Affiliations
  • ETH Zurich (CH)
  • University of California San Diego (US)
  • Scripps Research Institute (US)
Venue
Nature
Published
2015-12
Volume
528
Issue
7580
Pages
99-104
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2416065856
Cited by
785
References
60
Citations by year
2026: 116 · 2025: 90 · 2024: 86 · 2023: 80 · 2022: 70 · 2021: 81 · 2020: 82 · 2019: 68 · 2018: 44 · 2017: 40 · 2016: 26 · 2015: 1
FWCI
16.06
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
National Institute of General Medical Sciences (R01GM109069, R01GM095903)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
Keywords
overflow metabolism, Warburg effect, Escherichia coli, fermentation, respiration, proteome allocation, protein abundance, biomass synthesis, metabolic modeling, bacterial growth, oxygen availability
MeSH terms
Energy Metabolism, Escherichia coli, Fermentation, Models, Biological, Neoplasms, Oxygen, Mass Spectrometry, Biomass, Cell Respiration, Acetic Acid, Proteome, Escherichia coli Proteins, Proteomics

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