Journal
FUNGAL ECOLOGY
Volume 23, Issue -, Pages 141-155Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.funeco.2016.08.003
Keywords
Sand dune; Arbuscular mycorrhizal fungi; Invasive species; Host specificity; Endophytes; Community composition; Spatial variation; Illumina MiSeq; Ammophila arenaria; Symbiosis
Funding
- University of Auckland
- Fulbright-Ministry of Science and Innovation Graduate Award
- University of Tasmania
- Landcare Research Systematics Portfolio
- Science and Innovation Group of the New Zealand Ministry of Business, Innovation and Employment
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Fungi are ubiquitous occupiers of plant roots, yet the impact of host identity on fungal community composition is not well understood. Invasive plants may benefit from reduced pathogen impact when competing with native plants, but suffer if mutualists are unavailable. Root samples of the invasive dune grass Ammophila arenaria and the native dune grass Leymus mollis were collected from a Californian foredune. We utilised the Illumina MiSeq platform to sequence the ITS and LSU gene regions, with the SSU region used to target arbuscular mycorrhizal fungi (AMF). The two plant species largely share a fungal community, which is dominated by widespread generalists. Fungi detected on only one species were rare, accounting for a small proportion of the data. The SSU region recovered AMF from more samples and from more Glomeromycota lineages than ITS or LSU. A high degree of turnover among samples was observed, but there was no evidence for strong distance-decay. (C) 2016 Elsevier Ltd and British Mycological Society. All rights reserved.
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