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Plant nutrient-acquisition strategies drive topsoil microbiome structure and function.
New Phytol. 227, 1189-1199 (2020)
Publ. Version/Full Text
Postprint
Research data
DOI
PMC
Plant nutrient-acquisition strategies drive soil processes and vegetation performance, but their effect on the soil microbiome remains poorly understood. This knowledge is important to predict the shifts in microbial diversity and functions due to increasing changes in vegetation traits under global change. Here we documented the topsoil microbiomes of 145 boreal and temperate terrestrial sites in the Baltic region that broadly differed in vegetation type and nutritional traits, such as mycorrhizal types and symbiotic nitrogen-fixation. We found that sites dominated by arbuscular mycorrhizal (AM) vegetation harbor relatively more AM fungi, bacteria, fungal saprotrophs, and pathogens in the topsoil compared with sites dominated by ectomycorrhizal (EM) plants. These differences in microbiome composition reflect the rapid nutrient cycling and negative plant–soil feedback in AM soils. Lower fungal diversity and bacteria : fungi ratios in EM-dominated habitats are driven by monodominance of woody vegetation as well as soil acidification by EM fungi, which are associated with greater diversity and relative abundance of carbohydrate-active enzymes. Our study suggests that shifts in vegetation related to global change and land use may strongly alter the topsoil microbiome structure and function.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Biotic Interactions ; Metagenomics ; Mycorrhizal Type ; Plant–soil Feedback ; Symbiosis; Soil Carbon; Fungal; Mycorrhizal; Bacterial; Monodominance; Competition; Diversity; Framework; Feedback; Pathways
ISSN (print) / ISBN
0028-646X
e-ISSN
1469-8137
Journal
New Phytologist
Quellenangaben
Volume: 227,
Issue: 4,
Pages: 1189-1199
Publisher
Wiley
Publishing Place
111 River St, Hoboken 07030-5774, Nj Usa
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Research Unit Environmental Simulation (BIOP-EUS)