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@ARTICLE{Meredith:862431,
      author       = {Meredith, Laura K. and Ogée, Jérôme and Boye, Kristin
                      and Singer, Esther and Wingate, Lisa and von Sperber,
                      Christian and Sengupta, Aditi and Whelan, Mary and Pang,
                      Erin and Keiluweit, Marco and Brüggemann, Nicolas and
                      Berry, Joe A. and Welander, Paula V.},
      title        = {{S}oil exchange rates of {COS} and {CO}18{O} differ with
                      the diversity of microbial communities and their carbonic
                      anhydrase enzymes},
      journal      = {The ISME journal},
      volume       = {13},
      number       = {2},
      issn         = {1751-7370},
      address      = {Basingstoke},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2019-02747},
      pages        = {290 - 300},
      year         = {2019},
      abstract     = {Differentiating the contributions of photosynthesis and
                      respiration to the global carbon cycle is critical for
                      improving predictive climate models. Carbonic anhydrase (CA)
                      activity in leaves is responsible for the largest
                      biosphere-atmosphere trace gas fluxes of carbonyl sulfide
                      (COS) and the oxygen-18 isotopologue of carbon dioxide
                      (CO18O) that both reflect gross photosynthetic rates.
                      However, CA activity also occurs in soils and will be a
                      source of uncertainty in the use of COS and CO18O as carbon
                      cycle tracers until process-based constraints are improved.
                      In this study, we measured COS and CO18O exchange rates and
                      estimated the corresponding CA activity in soils from a
                      range of biomes and land use types. Soil CA activity was not
                      uniform for COS and CO2, and patterns of divergence were
                      related to microbial community composition and CA gene
                      expression patterns. In some cases, the same microbial taxa
                      and CA classes catalyzed both COS and CO2 reactions in soil,
                      but in other cases the specificity towards the two
                      substrates differed markedly. CA activity for COS was
                      related to fungal taxa and β-D-CA expression, whereas CA
                      activity for CO2 was related to algal and bacterial taxa and
                      α-CA expression. This study integrates gas exchange
                      measurements, enzyme activity models, and characterization
                      of soil taxonomic and genetic diversity to build connections
                      between CA activity and the soil microbiome. Importantly,
                      our results identify kinetic parameters to represent soil CA
                      activity during application of COS and CO18O as carbon cycle
                      tracers.},
      cin          = {IBG-3},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:30214028},
      UT           = {WOS:000455747900005},
      doi          = {10.1038/s41396-018-0270-2},
      url          = {https://juser.fz-juelich.de/record/862431},
}