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Mechanical soil disturbance as a determinant of arbuscular mycorrhizal fungal communities in semi-natural grassland.

Schnoor, Tim Krone LU ; Lekberg, Ylva ; Rosendahl, Søren and Olsson, Pål Axel LU (2011) In Mycorrhiza 21(3). p.211-220
Abstract
While the effect of disturbance on overall abundance and community composition of arbuscular mycorrhizal (AM) fungi has been researched in agricultural fields, less is known about the impact in semi-natural grasslands. We sampled two AM plant species, Festuca brevipila and Plantago lanceolata, from an ongoing grassland restoration experiment that contained replicated plowed and control plots. The AM fungal community in roots was determined using nested PCR and LSU rDNA primers. We identified 38 phylotypes within the Glomeromycota, of which 29 belonged to Glomus A, six to Glomus B, and three to Diversisporaceae. Only three phylotypes were closely related to known morphospecies. Soil disturbance significantly reduced phylotype richness and... (More)
While the effect of disturbance on overall abundance and community composition of arbuscular mycorrhizal (AM) fungi has been researched in agricultural fields, less is known about the impact in semi-natural grasslands. We sampled two AM plant species, Festuca brevipila and Plantago lanceolata, from an ongoing grassland restoration experiment that contained replicated plowed and control plots. The AM fungal community in roots was determined using nested PCR and LSU rDNA primers. We identified 38 phylotypes within the Glomeromycota, of which 29 belonged to Glomus A, six to Glomus B, and three to Diversisporaceae. Only three phylotypes were closely related to known morphospecies. Soil disturbance significantly reduced phylotype richness and changed the AM fungal community composition. Most phylotypes, even closely related ones, showed little or no overlap in their distribution and occurred in either the control or disturbed plots. We found no evidence of host preference in this system, except for one phylotype that preferentially seemed to colonize Festuca. Our results show that disturbance imposed a stronger structuring force for AM fungal communities than did host plants in this semi-natural grassland. (Less)
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Mycorrhiza
volume
21
issue
3
pages
211 - 220
publisher
Springer
external identifiers
  • wos:000288459400007
  • scopus:79952704807
  • pmid:20593293
ISSN
1432-1890
DOI
10.1007/s00572-010-0325-3
language
English
LU publication?
yes
id
7d973482-5e42-4439-800e-0fa653ef7f81 (old id 1645373)
date added to LUP
2016-04-01 14:59:14
date last changed
2024-05-10 04:47:08
@article{7d973482-5e42-4439-800e-0fa653ef7f81,
  abstract     = {{While the effect of disturbance on overall abundance and community composition of arbuscular mycorrhizal (AM) fungi has been researched in agricultural fields, less is known about the impact in semi-natural grasslands. We sampled two AM plant species, Festuca brevipila and Plantago lanceolata, from an ongoing grassland restoration experiment that contained replicated plowed and control plots. The AM fungal community in roots was determined using nested PCR and LSU rDNA primers. We identified 38 phylotypes within the Glomeromycota, of which 29 belonged to Glomus A, six to Glomus B, and three to Diversisporaceae. Only three phylotypes were closely related to known morphospecies. Soil disturbance significantly reduced phylotype richness and changed the AM fungal community composition. Most phylotypes, even closely related ones, showed little or no overlap in their distribution and occurred in either the control or disturbed plots. We found no evidence of host preference in this system, except for one phylotype that preferentially seemed to colonize Festuca. Our results show that disturbance imposed a stronger structuring force for AM fungal communities than did host plants in this semi-natural grassland.}},
  author       = {{Schnoor, Tim Krone and Lekberg, Ylva and Rosendahl, Søren and Olsson, Pål Axel}},
  issn         = {{1432-1890}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{211--220}},
  publisher    = {{Springer}},
  series       = {{Mycorrhiza}},
  title        = {{Mechanical soil disturbance as a determinant of arbuscular mycorrhizal fungal communities in semi-natural grassland.}},
  url          = {{http://dx.doi.org/10.1007/s00572-010-0325-3}},
  doi          = {{10.1007/s00572-010-0325-3}},
  volume       = {{21}},
  year         = {{2011}},
}