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Tanuwidjaja, I. ; Vogel, C.* ; Pronk, G.J.* ; Schöler, A. ; Kublik, S. ; Vestergaard, G. ; Kögel-Knabner, I.* ; Mrkonjic Fuka, M.* ; Schloter, M. ; Schulz, S.

Microbial key players involved in P turnover differ in artificial soil mixtures depending on clay mineral composition.

Microb. Ecol. 81, 897–907 (2021)
Verlagsversion Forschungsdaten DOI PMC
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Nutrient turnover in soils is strongly driven by soil properties, including clay mineral composition. One main nutrient is phosphorus (P), which is known to be easily immobilized in soil. Therefore, the specific surface characteristics of clay minerals might substantially influence P availability in soil and thus the microbial strategies for accessing P pools. We used a metagenomic approach to analyze the microbial potential to access P after 842 days of incubation in artificial soils with a clay mineral composition of either non-expandable illite (IL) or expandable montmorillonite (MT), which differ in their surface characteristics like soil surface area and surface charge. Our data indicate that microorganisms of the two soils developed different strategies to overcome P depletion, resulting in similar total P concentrations. Genes predicted to encode inorganic pyrophosphatase (ppa), exopolyphosphatase (ppx), and the pstSCAB transport system were higher in MT, suggesting effective P uptake and the use of internal poly-P stores. Genes predicted to encode enzymes involved in organic P turnover like alkaline phosphatases (phoA, phoD) and glycerophosphoryl diester phosphodiesterase were detected in both soils in comparable numbers. In addition, P-o concentrations did not differ significantly. Most identified genes were assigned to microbial lineages generally abundant in agricultural fields, but some were assigned to lineages known to include oligotrophic specialists, such as Bacillaceae and Microchaetaceae.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Artificial Soils ; Bacterial P Turnover ; Metagenomics ; Exopolyphosphatase ; Inorganic Pyrophosphatase; Organic-matter; Biogeochemical Interfaces; Charcoal Determine; Phosphorus; Microorganisms; Rhizosphere; Communities; Solubilization; Stoichiometry; Establishment
Sprache englisch
Veröffentlichungsjahr 2021
Prepublished im Jahr 2020
HGF-Berichtsjahr 2020
ISSN (print) / ISBN 0095-3628
e-ISSN 1432-184X
Zeitschrift Microbial Ecology
Quellenangaben Band: 81, Heft: , Seiten: 897–907 Artikelnummer: , Supplement: ,
Verlag Springer
Verlagsort One New York Plaza, Suite 4600, New York, Ny, United States
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit Comparative Microbiome Analysis (COMI)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504700-001
Förderungen Federal Ministry of Education and Research (BMBF)
Deutsche Forschungsgemeinschaft (DFG)
Projekt DEAL
DOI 10.1007/s00248-020-01635-1
WOS ID WOS:000587610800001
Scopus ID 85095584132
PubMed ID 33161521
Erfassungsdatum 2020-12-10
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