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Arbuscular mycorrhizal fungal communities in forest plant roots are simultaneously shaped by host characteristics and canopy-mediated light availability. / Koorem, Kadri (Corresponding author); Tulva, Ingmar; Davison, John; Jairus, Teele; Öpik, Maarja; Vasar, Martti; Zobel, Martin; Moora, Mari.

In: Plant and Soil, Vol. 410, No. 1-2, 01.01.2017, p. 259-271.

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Koorem, Kadri ; Tulva, Ingmar ; Davison, John ; Jairus, Teele ; Öpik, Maarja ; Vasar, Martti ; Zobel, Martin ; Moora, Mari. / Arbuscular mycorrhizal fungal communities in forest plant roots are simultaneously shaped by host characteristics and canopy-mediated light availability. In: Plant and Soil. 2017 ; Vol. 410, No. 1-2. pp. 259-271.

BibTeX

@article{e4a26361de014d8fad91a85b7955e329,
title = "Arbuscular mycorrhizal fungal communities in forest plant roots are simultaneously shaped by host characteristics and canopy-mediated light availability",
abstract = "Background and aimsThe majority of terrestrial plant species associate with arbuscular mycorrhizal (AM) fungi, to exchange carbon compounds with nutrients. However, the factors that determine the composition of AM fungal communities in individual plant roots remain poorly understood. We hypothesized that AM fungal communities are simultaneously influenced by environmental conditions, such as light availability, and the photosynthetic capacity of host plant species.MethodsWe sampled individuals of shade-tolerant and shade-avoidant plant species, growing in the presence and absence of forest canopy, representing conditions of low and high light availability. We recorded photosynthetic parameters, shoot biomass and root AM fungal colonisation of these plant individuals and used 454-sequencing to characterise AM fungal communities in the roots of these plants.ResultsShade-avoidant plant species increased their photosynthetic capacity more than shade-tolerant plant species as a response to increased light availability due to canopy removal. Root AM fungal colonisation of all plants was higher when the forest canopy was absent, but canopy status had little influence on AM fungal richness in plant roots. The composition of AM fungal communities associating with shade-tolerant plants was significantly influenced by canopy status, while a less pronounced difference was observed among shade-avoidant plants.ConclusionsWe suggest that both environmental conditions and the ability of plant species to exploit available resources determine the dynamics of mutualistic associations between host plant species and AM fungal taxa.",
keywords = "international",
author = "Kadri Koorem and Ingmar Tulva and John Davison and Teele Jairus and Maarja {\"O}pik and Martti Vasar and Martin Zobel and Mari Moora",
note = "6248, TE; Data archiving: data archived in Estonia",
year = "2017",
month = "1",
day = "1",
doi = "10.1007/s11104-016-3004-0",
language = "English",
volume = "410",
pages = "259--271",
journal = "Plant and Soil",
issn = "0032-079X",
publisher = "Springer Netherlands",
number = "1-2",

}

RIS

TY - JOUR

T1 - Arbuscular mycorrhizal fungal communities in forest plant roots are simultaneously shaped by host characteristics and canopy-mediated light availability

AU - Koorem, Kadri

AU - Tulva, Ingmar

AU - Davison, John

AU - Jairus, Teele

AU - Öpik, Maarja

AU - Vasar, Martti

AU - Zobel, Martin

AU - Moora, Mari

N1 - 6248, TE; Data archiving: data archived in Estonia

PY - 2017/1/1

Y1 - 2017/1/1

N2 - Background and aimsThe majority of terrestrial plant species associate with arbuscular mycorrhizal (AM) fungi, to exchange carbon compounds with nutrients. However, the factors that determine the composition of AM fungal communities in individual plant roots remain poorly understood. We hypothesized that AM fungal communities are simultaneously influenced by environmental conditions, such as light availability, and the photosynthetic capacity of host plant species.MethodsWe sampled individuals of shade-tolerant and shade-avoidant plant species, growing in the presence and absence of forest canopy, representing conditions of low and high light availability. We recorded photosynthetic parameters, shoot biomass and root AM fungal colonisation of these plant individuals and used 454-sequencing to characterise AM fungal communities in the roots of these plants.ResultsShade-avoidant plant species increased their photosynthetic capacity more than shade-tolerant plant species as a response to increased light availability due to canopy removal. Root AM fungal colonisation of all plants was higher when the forest canopy was absent, but canopy status had little influence on AM fungal richness in plant roots. The composition of AM fungal communities associating with shade-tolerant plants was significantly influenced by canopy status, while a less pronounced difference was observed among shade-avoidant plants.ConclusionsWe suggest that both environmental conditions and the ability of plant species to exploit available resources determine the dynamics of mutualistic associations between host plant species and AM fungal taxa.

AB - Background and aimsThe majority of terrestrial plant species associate with arbuscular mycorrhizal (AM) fungi, to exchange carbon compounds with nutrients. However, the factors that determine the composition of AM fungal communities in individual plant roots remain poorly understood. We hypothesized that AM fungal communities are simultaneously influenced by environmental conditions, such as light availability, and the photosynthetic capacity of host plant species.MethodsWe sampled individuals of shade-tolerant and shade-avoidant plant species, growing in the presence and absence of forest canopy, representing conditions of low and high light availability. We recorded photosynthetic parameters, shoot biomass and root AM fungal colonisation of these plant individuals and used 454-sequencing to characterise AM fungal communities in the roots of these plants.ResultsShade-avoidant plant species increased their photosynthetic capacity more than shade-tolerant plant species as a response to increased light availability due to canopy removal. Root AM fungal colonisation of all plants was higher when the forest canopy was absent, but canopy status had little influence on AM fungal richness in plant roots. The composition of AM fungal communities associating with shade-tolerant plants was significantly influenced by canopy status, while a less pronounced difference was observed among shade-avoidant plants.ConclusionsWe suggest that both environmental conditions and the ability of plant species to exploit available resources determine the dynamics of mutualistic associations between host plant species and AM fungal taxa.

KW - international

U2 - 10.1007/s11104-016-3004-0

DO - 10.1007/s11104-016-3004-0

M3 - Article

VL - 410

SP - 259

EP - 271

JO - Plant and Soil

JF - Plant and Soil

SN - 0032-079X

IS - 1-2

ER -

ID: 4023125