Cited by 87Origins and Evolution of LifeMicrobial Metabolic Engineering and BioproductionBioinformatics and Genomic Networks

Origins of specificity and promiscuity in metabolic networks

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Carbonell, Pablo, Lecointre, Guillaume, Faulon, Jean-Loup·2011·Journal of Biological Chemistry

Abstract

How enzymes have evolved to their present form is linked to the question of how pathways emerged and evolved into extant metabolic networks. To investigate this mechanism, we have explored the chemical diversity present in a largely unbiased data set of catalytic reactions processed by modern enzymes across the tree of life. In order to get a quantitative estimate of enzyme chemical diversity, we measure enzyme multispecificity or promiscuity using the reaction molecular signatures. Our main finding is that reactions that are catalyzed by a highly specific enzyme are shared by poorly divergent species, suggesting a later emergence of this function during evolution. In contrast, reactions that are catalyzed by highly promiscuous enzymes are more likely to appear uniformly distributed across species in the tree of life. From a functional point of view, promiscuous enzymes are mainly involved in amino acid and lipid metabolisms, which might be associated with the earliest form of biochemical reactions. In this way, results presented in this paper might assist us with the identification of primeval promiscuous catalytic functions contributing to life's minimal metabolism.

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  • Environmental or geological changes could have led to innovation of increasingly specific and functional catalysts from the initially diverse and chaotic prebiotic milieu.

    “Such environmental or geological changes could also have led to innovation of increasingly specific and functional catalysts from the initially diverse and chaotic prebiotic milieu [91,92].”

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  1. [13]13. Horowitz, N. H. (1945) Proc. Natl. Acad. Sci. U.S.A. 31, 153-157
  2. [39]39. Doolittle, W. F., and Bapteste, E. (2007) Proc. Natl. Acad. Sci. U.S.A. 104, <!-- image -->

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Authors
Carbonell, P., Lecointre, G., & Faulon, J.-L.
Affiliations
  • Institut de Biologie systémique et synthétique (FR)
  • Muséum national d'Histoire naturelle (FR)
Corresponding author
Faulon, Jean-Loup
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2011-12
Volume
286
Issue
51
Pages
43994-44004
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2128479500
Cited by
87
References
51
Citations by year
2026: 4 · 2025: 3 · 2024: 3 · 2023: 7 · 2022: 8 · 2021: 13 · 2020: 11 · 2019: 5 · 2018: 5 · 2017: 4 · 2016: 3 · 2015: 3 · 2014: 8 · 2013: 4 · 2012: 6
FWCI
3.05
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Research Explorer (The University of Manchester) (publishedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Origins and Evolution of Life
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
Keywords
enzyme promiscuity, enzyme specificity, metabolic networks, enzyme evolution, metabolic pathway evolution, amino acid metabolism, lipid metabolism, origin of life
MeSH terms
Animals, Biochemistry, Catalysis, Computers, Enzymes, Phylogeny, Software, Substrate Specificity, Models, Statistical, Protein Structure, Tertiary, Evolution, Molecular, Computational Biology, Lipid Metabolism, Metabolic Networks and Pathways

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