Thermophilic Hadarchaeota grow on long-chain alkanes in syntrophy with methanogens.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
02 Aug 2024
02 Aug 2024
Historique:
received:
30
05
2023
accepted:
22
07
2024
medline:
3
8
2024
pubmed:
3
8
2024
entrez:
2
8
2024
Statut:
epublish
Résumé
Methanogenic hydrocarbon degradation can be carried out by archaea that couple alkane oxidation directly to methanogenesis, or by syntrophic associations of bacteria with methanogenic archaea. However, metagenomic analyses of methanogenic environments have revealed other archaea with potential for alkane degradation but apparent inability to form methane, suggesting the existence of other modes of syntrophic hydrocarbon degradation. Here, we provide experimental evidence supporting the existence of a third mode of methanogenic degradation of hydrocarbons, mediated by syntrophic cooperation between archaeal partners. We collected sediment samples from a hot spring sediment in Tengchong, China, and enriched Hadarchaeota under methanogenic conditions at 60 °C, using hexadecane as substrate. We named the enriched archaeon Candidatus Melinoarchaeum fermentans DL9YTT1. We used
Identifiants
pubmed: 39095478
doi: 10.1038/s41467-024-50883-z
pii: 10.1038/s41467-024-50883-z
doi:
Substances chimiques
Alkanes
0
Methane
OP0UW79H66
n-hexadecane
F8Z00SHP6Q
Oxidoreductases
EC 1.-
methyl coenzyme M reductase
EC 2.8.4.1
Carbon Dioxide
142M471B3J
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
6560Subventions
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 92251303
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 42276139
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 323250002
Informations de copyright
© 2024. The Author(s).
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