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Novel soil-inhabiting clades fill gaps in the fungal tree of life
Univ Tartu, Nat Hist Museum, 14a Ravila, EE-50411 Tartu, Estonia..
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Systematic Biology. Univ Tartu, Inst Ecol & Earth Sci, 14a Ravila, EE-50411 Tartu, Estonia..
Univ Tartu, Inst Ecol & Earth Sci, 14a Ravila, EE-50411 Tartu, Estonia..
Univ Gothenburg, Dept Biol & Environm Sci, Box 463405 30, Gothenburg, Sweden..
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2017 (English)In: Microbiome, ISSN 0026-2633, E-ISSN 2049-2618, Vol. 5, no 42Article in journal (Refereed) Published
Abstract [en]

Background: Fungi are a diverse eukaryotic group of degraders, pathogens, and symbionts, with many lineages known only from DNA sequences in soil, sediments, air, and water. Results: We provide rough phylogenetic placement and principal niche analysis for >40 previously unrecognized fungal groups at the order and class level from global soil samples based on combined 18S (nSSU) and 28S (nLSU) rRNA gene sequences. Especially, Rozellomycota (Cryptomycota), Zygomycota s.lat, Ascomycota, and Basidiomycota are rich in novel fungal lineages, most of which exhibit distinct preferences for climate and soil pH. Conclusions: This study uncovers the great phylogenetic richness of previously unrecognized order- to phylumlevel fungal lineages. Most of these rare groups are distributed in different ecosystems of the world but exhibit distinct ecological preferences for climate or soil pH. Across the fungal kingdom, tropical and non-tropical habitats are equally likely to harbor novel groups. We advocate that a combination of traditional and high-throughput sequencing methods enable efficient recovery and phylogenetic placement of such unknown taxonomic groups.

Place, publisher, year, edition, pages
2017. Vol. 5, no 42
Keywords [en]
Phylogenetic lineages, Kingdom Fungi, Niche modelling, Random forest, Biogeography
National Category
Microbiology
Identifiers
URN: urn:nbn:se:uu:diva-320629DOI: 10.1186/s40168-017-0259-5ISI: 000398528500002PubMedID: 28388929OAI: oai:DiVA.org:uu-320629DiVA, id: diva2:1118371
Available from: 2017-06-30 Created: 2017-06-30 Last updated: 2017-11-29Bibliographically approved

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Bahram, Mohammad

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