Informace o publikaci

High fungal substrate specificity limits the utility of environmental DNA to detect fungal diversity in bogs



Rok publikování 2021
Druh Článek v odborném periodiku
Časopis / Zdroj Ecological Indicators
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Klíčová slova Biodiversity; eDNA; Fruitbody; Fungi; Peatland
Popis Fungi are a highly diverse group of organisms and play a significant role in decomposition and carbon cycling in boreal ecosystems. To determine how fungal communities are structured in peat bogs and how to obtain representative samples for monitoring fungal community changes, we separately sampled and sequenced (ITS2, Illumina MiSeq) peat, mixed litter and litter from individual dominant plant species in five permanent plots in raised bogs in the Jizerské Hory Mountains (Czech Republic). In total, we detected 68–103 OTUs per plot. The fungal assemblages were mostly influenced by substrate identity, whereas the effect of the site was minimal. Only a few identified OTUs behave like generalists. The most specific fungi were found in dead parts of Calluna vulgaris, Trichophorum cespitosum and Drosera rotundifolia. The high substrate heterogeneity means that sequencing soil core samples does not provide an exhaustive inventory of the fungal diversity in bogs. Poor correspondence was observed between the recorded OTUs and either visually inspected fruitbodies or literature reports on the fungal taxa associated with the analysed substrates.
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