The anaerobic survival mechanism of Schizophyllum commune 20R-7-F01, isolated from deep sediment 2 km below the seafloor.
Journal
Environmental microbiology
ISSN: 1462-2920
Titre abrégé: Environ Microbiol
Pays: England
ID NLM: 100883692
Informations de publication
Date de publication:
02 2021
02 2021
Historique:
received:
29
04
2020
revised:
15
11
2020
accepted:
16
11
2020
pubmed:
21
11
2020
medline:
8
5
2021
entrez:
20
11
2020
Statut:
ppublish
Résumé
Fungi dominated the eukaryotic group in the anaerobic sedimentary environment below the ocean floor where they play an essential ecological role. However, the adaptive mechanism of fungi to these anaerobic environments is still unclear. Here, we reported the anaerobic adaptive mechanism of Schizophyllum commune 20R-7-F01, isolated from deep coal-bearing sediment down to ~2 km below the seafloor, through biochemical, metabolomic and transcriptome analyses. The fungus grows well, but the morphology changes obviously and the fruit body develops incompletely under complete hypoxia. Compared with aerobic conditions, the fungus has enhanced branched-chain amino acid biosynthesis and ethanol fermentation under anaerobic conditions, and genes related to these metabolisms have been significantly up-regulated. Additionally, the fungus shows novel strategies for synthesizing ethanol by utilizing both glycolysis and ethanol fermentation pathways. These findings suggest that the subseafloor fungi may adopt multiple mechanisms to cope with lack of oxygen.
Identifiants
pubmed: 33215844
doi: 10.1111/1462-2920.15332
doi:
Substances chimiques
Amino Acids, Branched-Chain
0
Coal
0
Ethanol
3K9958V90M
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1174-1185Subventions
Organisme : National Natural Science Foundation of China
ID : 41773083
Organisme : National Natural Science Foundation of China
ID : 41973073
Organisme : National Natural Science Foundation of China
ID : 91951121
Informations de copyright
© 2020 Society for Applied Microbiology and John Wiley & Sons Ltd.
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