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Author Metze, D.; Schnecker, J.; Le Noir de Carlan, C.; Bhattarai, B.; Verbruggen, E.; Ostonen, I.; Janssens, I.A.; Sigurdsson, B.D.; Hausmann, B.; Kaiser, C.; Richter, A. url  doi
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  Title Soil warming increases the number of growing bacterial taxa but not their growth rates Type A1 Journal article
  Year (down) 2024 Publication Science Advances Abbreviated Journal  
  Volume 10 Issue 8 Pages eadk6295-14  
  Keywords A1 Journal article; Plant and Ecosystems (PLECO) – Ecology in a time of change  
  Abstract Soil microorganisms control the fate of soil organic carbon. Warming may accelerate their activities putting large carbon stocks at risk of decomposition. Existing knowledge about microbial responses to warming is based on community-level measurements, leaving the underlying mechanisms unexplored and hindering predictions. In a long-term soil warming experiment in a Subarctic grassland, we investigated how active populations of bacteria and archaea responded to elevated soil temperatures (+6°C) and the influence of plant roots, by measuring taxon-specific growth rates using quantitative stable isotope probing and 18 O water vapor equilibration. Contrary to prior assumptions, increased community growth was associated with a greater number of active bacterial taxa rather than generally faster-growing populations. We also found that root presence enhanced bacterial growth at ambient temperatures but not at elevated temperatures, indicating a shift in plant-microbe interactions. Our results, thus, reveal a mechanism of how soil bacteria respond to warming that cannot be inferred from community-level measurements.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos Publication Date 2024-02-23  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2375-2548 ISBN Additional Links UA library record  
  Impact Factor 13.6 Times cited Open Access  
  Notes Approved Most recent IF: 13.6; 2024 IF: NA  
  Call Number UA @ admin @ c:irua:204459 Serial 9230  
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