Local climatic conditions constrain soil yeast diversity patterns in mediterranean forests, woodlands and scrub biome

Andrey M. Yurkov, Oliver Röhl, Ana Pontes, Cláudia Carvalho, Cristina Maldonado, José Paulo Sampaio

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Soil yeasts represent a poorly known fraction of the soil microbiome due to limited ecological surveys. Here, we provide the first comprehensive inventory of cultivable soil yeasts in a Mediterranean ecosystem, which is the leading biodiversity hotspot for vascular plants and vertebrates in Europe. We isolated and identified soil yeasts from forested sites of Serra da Arrábida Natural Park (Portugal), representing the Mediterranean forests, woodlands and scrub biome. Both cultivation experiments and the subsequent species richness estimations suggest the highest species richness values reported to date, resulting in a total of 57 and 80 yeast taxa, respectively. These values far exceed those reported for other forest soils in Europe. Furthermore, we assessed the response of yeast diversity to microclimatic environmental factors in biotopes composed of the same plant species but showing a gradual change from humid broadleaf forests to dry maquis. We observed that forest properties constrained by precipitation level had strong impact on yeast diversity and on community structure and lower precipitation resulted in an increased number of rare species and decreased evenness values. In conclusion, the structure of soil yeast communities mirrors the environmental factors that affect aboveground phytocenoses, aboveground biomass and plant projective cover.

Original languageEnglish
Article numberfov103
JournalFems Yeast Research
Volume16
Issue number1
DOIs
Publication statusPublished - 20 Dec 2015

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Ecosystem
Soil
Yeasts
Portugal
Microbiota
Biodiversity
Forests
Biomass
Blood Vessels
Vertebrates
Equipment and Supplies

Keywords

  • Basidiomycetes
  • Biodiversity hotspot
  • Mediterranean basin
  • Microclimate
  • Soils
  • Yeasts

Cite this

Yurkov, Andrey M. ; Röhl, Oliver ; Pontes, Ana ; Carvalho, Cláudia ; Maldonado, Cristina ; Sampaio, José Paulo. / Local climatic conditions constrain soil yeast diversity patterns in mediterranean forests, woodlands and scrub biome. In: Fems Yeast Research. 2015 ; Vol. 16, No. 1.
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Local climatic conditions constrain soil yeast diversity patterns in mediterranean forests, woodlands and scrub biome. / Yurkov, Andrey M.; Röhl, Oliver; Pontes, Ana; Carvalho, Cláudia; Maldonado, Cristina; Sampaio, José Paulo.

In: Fems Yeast Research, Vol. 16, No. 1, fov103, 20.12.2015.

Research output: Contribution to journalArticle

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AU - Maldonado, Cristina

AU - Sampaio, José Paulo

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