Yeasts dominate soil fungal communities in three lowland Neotropical rainforests

Dunthorn Micah, Kauserud Håvard, Bass David, Mayor Jordan, Mahé Frédéric. 2017. Yeasts dominate soil fungal communities in three lowland Neotropical rainforests. Environmental Microbiology Reports, 9 (5) : pp. 668-675.

Journal article ; Article de recherche ; Article de revue à facteur d'impact
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Quartile : Q2, Sujet : ENVIRONMENTAL SCIENCES / Quartile : Q2, Sujet : MICROBIOLOGY

Abstract : Forest soils typically harbour a vast diversity of fungi, but are usually dominated by filamentous (hyphae‐forming) taxa. Compared to temperate and boreal forests, though, we have limited knowledge about the fungal diversity in tropical rainforest soils. Here we show, by environmental metabarcoding of soil samples collected in three Neotropical rainforests, that Yeasts dominate the fungal communities in terms of the number of sequencing reads and OTUs. These unicellular forms are commonly found in aquatic environments, and their hyperdiversity may be the result of frequent inundation combined with numerous aquatic microenvironments in these rainforests. Other fungi that are frequent in aquatic environments, such as the abundant Chytridiomycotina, were also detected. While there was low similarity in OTU composition within and between the three rainforests, the fungal communities in Central America were more similar to each other than the communities in South America, reflecting a general biogeographic pattern also seen in animals, plants and protists.

Mots-clés géographiques Agrovoc : Amérique du Sud, Amérique centrale

Classification Agris : K01 - Forestry - General aspects
P34 - Soil biology

Champ stratégique Cirad : Axe 6 (2014-2018) - Sociétés, natures et territoires

Auteurs et affiliations

  • Dunthorn Micah, University of Kaiserslautern (DEU) - auteur correspondant
  • Kauserud Håvard, University of Oslo (NOR)
  • Bass David, Natural History Museum (GBR)
  • Mayor Jordan, Swedish University of Agricultural Sciences (SWE)
  • Mahé Frédéric, CIRAD-BIOS-UMR LSTM (FRA) ORCID: 0000-0002-2808-0984

Source : Cirad-Agritrop (

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