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Ectomycorrhizal fungi - potential organic matter decomposers, yet not saprotrophs

Lindahl, Bjorn D. and Tunlid, Anders LU (2015) In New Phytologist 205(4). p.1443-1447
Abstract
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... (More)
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. (Less)
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author
and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
carbon sequestration, decomposition, ectomycorrhiza, nitrogen cycling, organic matter oxidation, priming effect
in
New Phytologist
volume
205
issue
4
pages
1443 - 1447
publisher
Wiley-Blackwell
external identifiers
  • wos:000349386300014
  • scopus:84922892995
  • pmid:25524234
ISSN
1469-8137
DOI
10.1111/nph.13201
project
Mobilization of organic nitrogen by ectomycorrhizal fungi
language
English
LU publication?
yes
id
12b1e032-afbc-4851-9685-2a0497a99aa4 (old id 5160115)
date added to LUP
2016-04-01 10:19:25
date last changed
2022-04-27 20:44:49
@article{12b1e032-afbc-4851-9685-2a0497a99aa4,
  abstract     = {{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.}},
  author       = {{Lindahl, Bjorn D. and Tunlid, Anders}},
  issn         = {{1469-8137}},
  keywords     = {{carbon sequestration; decomposition; ectomycorrhiza; nitrogen cycling; organic matter oxidation; priming effect}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{1443--1447}},
  publisher    = {{Wiley-Blackwell}},
  series       = {{New Phytologist}},
  title        = {{Ectomycorrhizal fungi - potential organic matter decomposers, yet not saprotrophs}},
  url          = {{http://dx.doi.org/10.1111/nph.13201}},
  doi          = {{10.1111/nph.13201}},
  volume       = {{205}},
  year         = {{2015}},
}