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Fungal sporocarps house diverse and host-specific communities of fungicolous fungi

The ISME Journal, 2021-05, Vol.15 (5), p.1445-1457 [Peer Reviewed Journal]

The Author(s) 2021. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;info:eu-repo/semantics/openAccess ;The Author(s) 2021 ;ISSN: 1751-7362 ;EISSN: 1751-7370 ;DOI: 10.1038/s41396-020-00862-1 ;PMID: 33432137

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  • Title:
    Fungal sporocarps house diverse and host-specific communities of fungicolous fungi
  • Author: Maurice, Sundy ; Arnault, Gontran ; Nordén, Jenni ; Botnen, Synnøve Smebye ; Miettinen, Otto ; Kauserud, Håvard
  • Subjects: Animals ; Ascomycota - genetics ; Colonization ; Community composition ; Composition ; Deoxyribonucleic acid ; DNA ; DNA, Fungal - genetics ; Finland ; Forests ; Fruit bodies ; Fungi ; Fungi - genetics ; Host preferences ; Invertebrates ; Life cycles ; Life span ; Microorganisms ; Morphology ; Mycobiome ; Parasites ; Species ; Sporocarps ; Wood
  • Is Part Of: The ISME Journal, 2021-05, Vol.15 (5), p.1445-1457
  • Description: Sporocarps (fruit bodies) are the sexual reproductive stage in the life cycle of many fungi. They are highly nutritious and consequently vulnerable to grazing by birds and small mammals, and invertebrates, and can be infected by microbial and fungal parasites and pathogens. The complexity of communities thriving inside sporocarps is largely unknown. In this study, we revealed the diversity, taxonomic composition and host preference of fungicolous fungi (i.e., fungi that feed on other fungi) in sporocarps. We carried out DNA metabarcoding of the ITS2 region from 176 sporocarps of 11 wood-decay fungal host species, all collected within a forest in northeast Finland. We assessed the influence of sporocarp traits, such as lifespan, morphology and size, on the fungicolous fungal community. The level of colonisation by fungicolous fungi, measured as the proportion of non-host ITS2 reads, varied between 2.8-39.8% across the 11 host species and was largely dominated by Ascomycota. Host species was the major determinant of the community composition and diversity of fungicolous fungi, suggesting that host adaptation is important for many fungicolous fungi. Furthermore, the alpha diversity was consistently higher in short-lived and resupinate sporocarps compared to long-lived and pileate ones, perhaps due to a more hostile environment for fungal growth in the latter too. The fungicolous fungi represented numerous lineages in the fungal tree of life, among which a significant portion was poorly represented with reference sequences in databases.
  • Publisher: England: Nature Publishing Group
  • Language: English;Norwegian
  • Identifier: ISSN: 1751-7362
    EISSN: 1751-7370
    DOI: 10.1038/s41396-020-00862-1
    PMID: 33432137
  • Source: Open Access: PubMed Central
    AUTh Library subscriptions: ProQuest Central
    MEDLINE
    NORA Norwegian Open Research Archives
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