Asymmetric response of root-associated fungal communities of an arbuscular mycorrhizal grass and an ectomycorrhizal tree to their coexistence in primary succession
Jazyk angličtina Země Německo Médium print-electronic
Typ dokumentu časopisecké články
PubMed
28752181
DOI
10.1007/s00572-017-0792-x
PII: 10.1007/s00572-017-0792-x
Knihovny.cz E-zdroje
- Klíčová slova
- Arbuscular mycorrhiza, Calamagrostis epigejos, Ectomycorrhiza, Primary succession, Root-associated fungal communities, Salix caprea,
- MeSH
- ekosystém * MeSH
- lipnicovité mikrobiologie MeSH
- mykorhiza fyziologie MeSH
- půdní mikrobiologie * MeSH
- Salix mikrobiologie MeSH
- stromy mikrobiologie MeSH
- Publikační typ
- časopisecké články MeSH
- Geografické názvy
- Česká republika MeSH
The arbuscular mycorrhizal (AM) grass Calamagrostis epigejos and predominantly ectomycorrhizal (EcM) tree Salix caprea co-occur at post-mining sites spontaneously colonized by vegetation. During succession, AM herbaceous vegetation is replaced by predominantly EcM woody species. To better understand the interaction of AM and EcM plants during vegetation transition, we studied the reciprocal effects of these species' coexistence on their root-associated fungi (RAF). We collected root and soil samples from three different microenvironments: stand of C. epigejos, under S. caprea canopy, and contact zone where roots of the two species interacted. RAF communities and mycorrhizal colonization were determined in sampled roots, and the soil was tested for EcM and AM inoculation potentials. Although the microenvironment significantly affected composition of the RAF communities in both plant species, the effect was greater in the case of C. epigejos RAF communities than in that of S. caprea RAF communities. The presence of S. caprea also significantly decreased AM fungal abundance in soil as well as AM colonization and richness of AM fungi in C. epigejos roots. Changes observed in the abundance and community composition of AM fungi might constitute an important factor in transition from AM-dominated to EcM-dominated vegetation during succession.
Institute of Botany Czech Academy of Sciences Zámek 1 252 43 Průhonice Czech Republic
Institute of Microbiology Czech Academy of Science Vídeňská 1083 142 20 Prague Czech Republic
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