Cited by 84Microbial metabolism and enzyme functionAnaerobic Digestion and Biogas ProductionGenomics and Phylogenetic Studies

An archaeal origin of the Wood–Ljungdahl H4MPT branch and the emergence of bacterial methylotrophy

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Adam, Panagiotis S., Borrel, Guillaume, Gribaldo, Simonetta·2019·Nature Microbiology

Abstract

The tetrahydromethanopterin (H 4 MPT) methyl branch of the Wood-Ljungdahl pathway is shared by archaeal and bacterial metabolisms that greatly contribute to the global carbon budget and greenhouse gas fluxes: methanogenesis and methylotrophy, including methanotrophy 1-3. It has been proposed that the H 4 MPT branch dates back to the last universal common ancestor 4-6. Interestingly, it has been identified in numerous recently sequenced and mostly uncultured non-methanogenic and non-methylotrophic archaeal and bacterial lineages, where its function remains unclear 5,7. Here, we have examined the distribution and phylogeny of the enzymes involved in the H 4 MPT branch and the biosynthesis of its cofactors in over 6,400 archaeal and bacterial genomes. We find that a full Wood-Ljungdahl H 4 MPT pathway is widespread in Archaea and is likely ancestral to this domain, whereas this is not the case for Bacteria. Moreover, the inclusion of recently sequenced lineages leads to an important shortening of the branch separating Archaea and Bacteria with respect to previous phylogenies of the H 4 MPT branch. Finally, the genes for the pathway are colocalized in many of the recently sequenced archaeal lineages, similar to bacteria. Together, these results weaken the last universal common ancestor hypothesis and rather favour an origin of the H 4 MPT branch in Archaea and its subsequent transfer to Bacteria. We propose a scenario for its potential initial role in the first bacterial recipients and its evolution up to the emergence of aerobic methylotrophy. Finally, we discuss how an ancient horizontal transfer not only triggered the emergence of key metabolic processes but also important transitions in Earth's history.

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Crossref · 10.1038/s41564-019-0534-2

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  • Several other studies uncovered further examples in which individual genes of the archaeal methyl synthesis and methanopterin pathways had been transferred from archaea to bacterial recipients, which are often O2-dependent methylotrophs and methanotrophs.

    “Several other studies uncovered further examples in which individual genes of the archaeal methyl synthesis and methanopterin pathways had been transferred from archaea to bacterial recipients [50, 151, 152, 153, 154], which are often O2‐dependent methylotrophs and methanotrophs.”

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Authors
Adam, P. S., Borrel, G., & Gribaldo, S.
Affiliations
Institut Pasteur (FR)
Corresponding author
Gribaldo, Simonetta
Venue
Nature Microbiology
Published
2019-08-26
Volume
4
Issue
12
Pages
2155-2163
ISSN
2058-5276 (ISSN-L)
OpenAlex
W2969903637
Cited by
76
References
65
Citations by year
2026: 9 · 2025: 14 · 2024: 14 · 2023: 10 · 2022: 9 · 2021: 10 · 2020: 7 · 2019: 3
FWCI
2.40
Type
journal article
Language
en
Open access
Locations
  • Nature Microbiology (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, other-oa)
  • Universitätsbibliographie, Universität Duisburg-Essen (submittedVersion)
Funders
Agence Nationale de la Recherche (ANR-16-CE02-0005-01)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial metabolism and enzyme function
  • Physical Sciences › Engineering › Building and Construction › Anaerobic Digestion and Biogas Production
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
Keywords
tetrahydromethanopterin, Wood-Ljungdahl pathway, methanotrophy, last universal common ancestor, horizontal gene transfer, cofactor biosynthesis
MeSH terms
Archaea, Bacteria, Carbon, Methane, Phylogeny, Pterins, Wood, Genome, Bacterial, Evolution, Molecular, Genes, Archaeal, Genome, Archaeal, Gene Transfer, Horizontal

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