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Ectomycorrhizal fungi - potential organic matter decomposers, yet not saprotrophs

In English

Författare

Summary, in English

Although hypothesized for many years, the involvement of ectomycorrhizal fungi in decomposition of soil organic matter remains controversial and has not yet been fully acknowledged as an important factor in the regulation of soil carbon (C) storage. Here, we review recent findings, which support the view that some ectomycorrhizal fungi have the capacity to oxidize organic matter, either by brown-rot' Fenton chemistry or using white-rot' peroxidases. We propose that ectomycorrhizal fungi benefit from organic matter decomposition primarily through increased nitrogen mobilization rather than through release of metabolic C and question the view that ectomycorrhizal fungi may act as facultative saprotrophs. Finally, we discuss how mycorrhizal decomposition may influence organic matter storage in soils and mediate responses of ecosystem C sequestration to environmental changes.

Publiceringsår

2015

Språk

Engelska

Sidor

1443-1447

Publikation/Tidskrift/Serie

New Phytologist

Volym

205

Issue

4

Dokumenttyp

Artikel i tidskrift

Förlag

Wiley-Blackwell

Ämne

  • Biological Sciences

Nyckelord

  • carbon sequestration
  • decomposition
  • ectomycorrhiza
  • nitrogen cycling
  • organic matter oxidation
  • priming effect

Status

Published

Projekt

  • Mobilization of organic nitrogen by ectomycorrhizal fungi

Forskningsgrupp

  • Microbial Ecology

ISBN/ISSN/Övrigt

  • ISSN: 1469-8137