Asgard archaea capable of anaerobic hydrocarbon cycling

Kiley W. Seitz, Nina Dombrowski, Laura Eme, Anja Spang, Jonathan Lombard, Jessica R Sieber, Andreas P. Teske, Thijs J.G. Ettema, Brett J. Baker

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Large reservoirs of natural gas in the oceanic subsurface sustain complex communities of anaerobic microbes, including archaeal lineages with potential to mediate oxidation of hydrocarbons such as methane and butane. Here we describe a previously unknown archaeal phylum, Helarchaeota, belonging to the Asgard superphylum and with the potential for hydrocarbon oxidation. We reconstruct Helarchaeota genomes from metagenomic data derived from hydrothermal deep-sea sediments in the hydrocarbon-rich Guaymas Basin. The genomes encode methyl-CoM reductase-like enzymes that are similar to those found in butane-oxidizing archaea, as well as several enzymes potentially involved in alkyl-CoA oxidation and the Wood-Ljungdahl pathway. We suggest that members of the Helarchaeota have the potential to activate and subsequently anaerobically oxidize hydrothermally generated short-chain hydrocarbons.

Original languageEnglish (US)
Article number1822
JournalNature communications
Volume10
Issue number1
DOIs
StatePublished - Dec 1 2019

Fingerprint

Archaea
Hydrocarbons
hydrocarbons
cycles
genome
butanes
Oxidation
oxidation
enzymes
Genes
Genome
Natural Gas
Metagenomics
Methane
natural gas
microorganisms
Enzymes
Coenzyme A
Oceans and Seas
Natural gas

PubMed: MeSH publication types

  • Journal Article
  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

Cite this

Seitz, K. W., Dombrowski, N., Eme, L., Spang, A., Lombard, J., Sieber, J. R., ... Baker, B. J. (2019). Asgard archaea capable of anaerobic hydrocarbon cycling. Nature communications, 10(1), [1822]. https://doi.org/10.1038/s41467-019-09364-x

Asgard archaea capable of anaerobic hydrocarbon cycling. / Seitz, Kiley W.; Dombrowski, Nina; Eme, Laura; Spang, Anja; Lombard, Jonathan; Sieber, Jessica R; Teske, Andreas P.; Ettema, Thijs J.G.; Baker, Brett J.

In: Nature communications, Vol. 10, No. 1, 1822, 01.12.2019.

Research output: Contribution to journalArticle

Seitz, KW, Dombrowski, N, Eme, L, Spang, A, Lombard, J, Sieber, JR, Teske, AP, Ettema, TJG & Baker, BJ 2019, 'Asgard archaea capable of anaerobic hydrocarbon cycling', Nature communications, vol. 10, no. 1, 1822. https://doi.org/10.1038/s41467-019-09364-x
Seitz, Kiley W. ; Dombrowski, Nina ; Eme, Laura ; Spang, Anja ; Lombard, Jonathan ; Sieber, Jessica R ; Teske, Andreas P. ; Ettema, Thijs J.G. ; Baker, Brett J. / Asgard archaea capable of anaerobic hydrocarbon cycling. In: Nature communications. 2019 ; Vol. 10, No. 1.
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