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
| Autor: | Kezia Goldmann, Thomas Reitz, Jean de Dieu Habiyaremye, Sylvie Herrmann, François Buscot |
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| Rok vydání: | 2021 |
| Předmět: |
Abiotic component
0303 health sciences geography geography.geographical_feature_category 030306 microbiology Ecology Range (biology) Host (biology) Microbiota Fungi Biology Microbiology Grassland Trees 03 medical and health sciences Quercus Soil Geographical distance Soil water Microbiome Transect Ecology Evolution Behavior and Systematics Soil Microbiology 030304 developmental biology |
| Zdroj: | Environmental microbiologyReferences. 23(4) |
| ISSN: | 1462-2920 |
| Popis: | 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. |
| Databáze: | OpenAIRE |
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