Author
Listed:
- Robert Röllig
(BBF, Biodiversité et Biotechnologie Fongiques)
- Annie Lebreton
(BBF, Biodiversité et Biotechnologie Fongiques
INRAE)
- Lucia Grenga
(SPI)
- Rosalie Cresswell
(University of Warwick)
- Signe Lett
(University of Copenhagen
University of Copenhagen)
- Theodora Tryfona
(University of Cambridge)
- David Navarro
(BBF, Biodiversité et Biotechnologie Fongiques
INRAE, Aix Marseille Univ., CIRM-CF)
- Julien Lambert
(BBF, Biodiversité et Biotechnologie Fongiques)
- Sacha Grisel
(BBF, Biodiversité et Biotechnologie Fongiques
3PE)
- Isabelle Gimbert
(BBF, Biodiversité et Biotechnologie Fongiques)
- Helle Jakobe Martens
(University of Copenhagen)
- Guylaine Miotello
(SPI)
- Xiaolan Yu
(University of Cambridge)
- Elodie Drula
(BBF, Biodiversité et Biotechnologie Fongiques
INRAE)
- Marie-Noelle Rosso
(BBF, Biodiversité et Biotechnologie Fongiques)
- Lionel Tarrago
(BBF, Biodiversité et Biotechnologie Fongiques)
- Bernard Henrissat
(Technical University of Denmark)
- Katja Johansen
(University of Cambridge)
- Ray Dupree
(University of Warwick)
- Jean Armengaud
(SPI)
- Paul Dupree
(University of Cambridge)
- Jean-Guy Berrin
(BBF, Biodiversité et Biotechnologie Fongiques)
Abstract
Basidiomycete fungi are the main decomposers of dead wood with an impact on the global carbon cycle. Their degradative mechanisms have been well-studied under aerobic conditions. Here, we study their activity in oxygen-depleted environments. We use metaproteomics in a field study to identify active wood-decomposing fungi and their enzymes at different depths from the wood surface, including in oxygen-depleted conditions. In vitro, we observe that the brown-rot fungus Fomitopsis pinicola can grow on wood in complete anoxia. Using 13C solid-state NMR, we demonstrate the degradation of plant cell-wall polysaccharides and fungal growth in the absence of oxygen. Proteomic analyses reveal that F. pinicola switches from a Fenton chemistry-based process under aerobic conditions to the secretion of plant cell wall-active enzymes in anoxia. Our finding that wood decay fungi can thrive in complete anoxia provides a deeper understanding of lignocellulose degradation mechanisms in nature and raises opportunities for the development of bio-inspired anaerobic processes.
Suggested Citation
Robert Röllig & Annie Lebreton & Lucia Grenga & Rosalie Cresswell & Signe Lett & Theodora Tryfona & David Navarro & Julien Lambert & Sacha Grisel & Isabelle Gimbert & Helle Jakobe Martens & Guylaine M, 2025.
"Wood decay under anoxia by the brown-rot fungus Fomitopsis pinicola,"
Nature Communications, Nature, vol. 16(1), pages 1-13, December.
Handle:
RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-62567-3
DOI: 10.1038/s41467-025-62567-3
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