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AM fungal communities inhabiting the roots of submerged aquatic plant Lobelia dortmanna are diverse and include a high proportion of novel taxa
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2016 (English)In: Mycorrhiza, ISSN 0940-6360, E-ISSN 1432-1890, Vol. 26, no 7, 735-745 p.Article in journal (Refereed) Published
Abstract [en]

While the arbuscular mycorrhizal (AM) symbiosis is known to be widespread in terrestrial ecosystems, there is growing evidence that aquatic plants also form the symbiosis. It has been suggested that symbiosis with AM fungi may represent an important adaptation for isoA << tid plants growing on nutrient-poor sediments in oligotrophic lakes. In this study, we address AM fungal root colonization intensity, richness and community composition (based on small subunit (SSU) ribosomal RNA (rRNA) gene sequencing) in five populations of the isoA << tid plant species Lobelia dortmanna inhabiting oligotrophic lakes in Southern Sweden. We found that the roots of L. dortmanna hosted rich AM fungal communities and about 15 % of the detected molecular taxa were previously unrecorded. AM fungal root colonization intensity and taxon richness varied along an environmental gradient, being higher in oligotrophic and lower in mesotrophic lakes. The overall phylogenetic structure of this aquatic fungal community differed from that described in terrestrial systems: The roots of L. dortmanna hosted more Archaeosporaceae and fewer Glomeraceae taxa than would be expected based on global data from terrestrial AM fungal communities.

Place, publisher, year, edition, pages
2016. Vol. 26, no 7, 735-745 p.
National Category
Biological Sciences
Research subject
Biology
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URN: urn:nbn:se:kau:diva-47469DOI: 10.1007/s00572-016-0709-0ISI: 000385066300010PubMedID: 27246225OAI: oai:DiVA.org:kau-47469DiVA: diva2:1052949
Available from: 2016-12-07 Created: 2016-12-07 Last updated: 2016-12-07Bibliographically approved

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Eckstein, R. Lutz
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Department of Environmental and Life Sciences
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CiteExportLink to record
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Citation style
  • apa
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