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Balance between geographic, soil, and host tree parameters to shape soil microbiomes associated to clonal oak varies across soil zones along a European North-South transect.
Habiyaremye, Jean de Dieu; Herrmann, Sylvie; Reitz, Thomas; Buscot, François; Goldmann, Kezia.
Afiliação
  • Habiyaremye JD; Department Soil Ecology, Helmholtz Centre for Environmental Research-UFZ, Halle, Germany.
  • Herrmann S; Institute of Biology, Leipzig University, Leipzig, Germany.
  • Reitz T; Department of Mathematics, Science and Physical Education, University of Rwanda, Kigali, Rwanda.
  • Buscot F; Department Soil Ecology, Helmholtz Centre for Environmental Research-UFZ, Halle, Germany.
  • Goldmann K; German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany.
Environ Microbiol ; 23(4): 2274-2292, 2021 04.
Article em En | MEDLINE | ID: mdl-33587815
ABSTRACT
Tree root-associated microbiomes are shaped by geographic, soil physico-chemical, and host tree parameters. However, their respective impacts on microbiome variations in soils across larger spatial scales remain weakly studied. We out-planted saplings of oak clone DF159 (Quercus robur L.) as phytometer in four grassland field sites along a European North-South transect. After four years, we first compared the soil microbiomes of the tree root zone (RZ) and the tree root-free zone (RFZ). Then, we separately considered the total microbiomes of both zones, besides the microbiome with significant affinity to the RZ and compared their variability along the transect. Variations within the microbiome of the tree RFZ were shaped by geographic and soil physico-chemical changes, whereby bacteria responded more than fungi. Variations within both microbiomes of the tree RZ depended on the host tree and abiotic parameters. Based on perMANOVA and Mantel correlation tests, impacts of site specificities and geographic distance strongly decreased for the tree RZ affine microbiome. This pattern was more pronounced for fungi than bacteria. Shaping the microbiome of the soil zones in root proximity might be a mechanism mediating the acclimation of oaks to a wide range of environmental conditions across geographic regions.
Assuntos

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Quercus / Microbiota Idioma: En Ano de publicação: 2021 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Quercus / Microbiota Idioma: En Ano de publicação: 2021 Tipo de documento: Article