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Bahram, M.* ; Netherway, T.* ; Hildebrand, F.* ; Pritsch, K. ; Drenkhan, R.* ; Loit, K.* ; Anslan, S.* ; Bork, P.* ; Tedersoo, L.*

Plant nutrient-acquisition strategies drive topsoil microbiome structure and function.

New Phytol. 227, 1189-1199 (2020)
Verlagsversion Postprint Forschungsdaten DOI
Open Access Green
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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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter 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
Zeitschrift New Phytologist
Quellenangaben Band: 227, Heft: 4, Seiten: 1189-1199 Artikelnummer: , Supplement: ,
Verlag Wiley
Verlagsort 111 River St, Hoboken 07030-5774, Nj Usa
Begutachtungsstatus Peer reviewed