Global richness of arbuscular mycorrhizal fungi

Stefanie Lutz, Vladimir Mikryukov, Maëva Labouyrie, Mohammad Bahram, Arwyn Jones, Panos Panagos, Manuel Delgado-Baquerizo, Fernando T. Maestre, Alberto Orgiazzi, Leho Tedersoo, Marcel G.A. van der Heijden

Research output: Contribution to journalArticlepeer-review

Abstract

Arbuscular mycorrhizal (AM) fungi form mutualistic associations with most land plants and are of pivotal importance for plant growth and nutrition. AM fungi include both the well-known phylum Glomeromycota (G-AMF) and the recently established clade of Endogonomycete fine root endophytes within the phylum Mucoromycota, often viewed as putative AMF (E-AMF). Yet, the global richness of these fungal groups, in particular of E-AMF, is poorly understood. To provide comprehensive global species of G-AMF and E-AMF, we analysed long-read sequencing data of the full-length ITS marker from 4,733 sampling sites across all continents and biomes. Our study provides the first combined estimate of global G-AMF and putative E-AMF richness, far exceeding the numbers and taxa reported so far. Specifically, we detected 8,517 OTUs of G-AMF, surpassing previous AMF richness estimates by a factor of five to fifteen. In addition, we identified 600 OTUs for putative E-AMF, providing the first global estimate for this group.

Original languageEnglish
Article number101407
JournalFungal Ecology
Volume74
DOIs
Publication statusPublished - Apr 2025
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2024 Elsevier Ltd and British Mycological Society

Keywords

  • Arbuscular mycorrhizal fungi
  • Densosporales
  • Fine root endopyhtes
  • Glomerocyota
  • Mucoromycota
  • Richness

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