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@ARTICLE{Niedree:111954,
      author       = {Niedree, B. and Vereecken, H. and Burauel, P.},
      title        = {{E}ffects of low-level radioactive soil contamination and
                      sterilization on the degradation of radiolabeled wheat
                      straw},
      journal      = {Journal of environmental radioactivity},
      volume       = {109},
      issn         = {0265-931x},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {PreJuSER-111954},
      pages        = {29 - 35},
      year         = {2012},
      note         = {This work was funded by the German Federal Ministry of
                      Education and Research (BMBF) under contract number
                      02NUK002E, KVSF. We would like to thank Eberhard Kuemmerle
                      for calculating the dose rates. Furthermore, we would like
                      to thank Sascha Sokolowsky for preparing the DGGE gels,
                      Sirgit Kummer and Werner Mittelstaedt for their help in the
                      laboratory, Wolfgang Tappe and Nicolai Jablonowski for
                      fruitful discussions and Janet Carter-Sigglow and Hazel
                      Burlet for linguistic revision.},
      abstract     = {After the explosion of reactor 4 in the nuclear power plant
                      near Chernobyl, huge agricultural areas became contaminated
                      with radionuclides. In this study, we want to elucidate
                      whether (137)Cs and (90)Sr affect microorganisms and their
                      community structure and functions in agricultural soil. For
                      this purpose, the mineralization of radiolabeled wheat straw
                      was examined in lab-scale microcosms. Native soils and
                      autoclaved and reinoculated soils were incubated for 70 days
                      at 20 °C. After incubation, the microbial community
                      structure was compared via 16S and 18S rDNA denaturing
                      gradient gel electrophoresis (DGGE). The radioactive
                      contamination with (137)Cs and (90)Sr was found to have
                      little effect on community structure and no effect on the
                      straw mineralization. The autoclaving and reinoculation of
                      soil had a strong influence on the mineralization and the
                      community structure. Additionally we analyzed the effect of
                      soil treatment on mineralization and community composition.
                      It can be concluded that other environmental factors (such
                      as changing content of dissolved organic carbon) are much
                      stronger regulating factors in the mineralization of wheat
                      straw and that low-level radiation only plays a minor role.},
      keywords     = {Base Sequence / DNA Primers / DNA, Ribosomal: analysis /
                      Electrophoresis, Polyacrylamide Gel / RNA, Ribosomal, 16S:
                      analysis / RNA, Ribosomal, 18S: analysis / Soil Pollutants,
                      Radioactive: analysis / Triticum: chemistry / Triticum:
                      genetics / DNA Primers (NLM Chemicals) / DNA, Ribosomal (NLM
                      Chemicals) / RNA, Ribosomal, 16S (NLM Chemicals) / RNA,
                      Ribosomal, 18S (NLM Chemicals) / Soil Pollutants,
                      Radioactive (NLM Chemicals) / J (WoSType)},
      cin          = {IBG-3},
      ddc          = {690},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Environmental Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:22248931},
      UT           = {WOS:000304640500004},
      doi          = {10.1016/j.jenvrad.2011.12.018},
      url          = {https://juser.fz-juelich.de/record/111954},
}