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@ARTICLE{Andresen:166437,
      author       = {Andresen, Elisa and Mattusch, Jürgen and Wellenreuther,
                      Gerd and Thomas, George and Abad, Uriel A. and Kuepper,
                      Hendrik},
      title        = {{D}ifferent strategies of cadmium detoxification in the
                      submerged macrophyte {C}eratophyllum demersum {L}.},
      journal      = {Metallomics},
      volume       = {5},
      number       = {10},
      issn         = {1756-5901},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {DESY-2014-01341},
      pages        = {1377-1386},
      year         = {2013},
      note         = {(c) The Royal Society of Chemistry; Post referee fulltext
                      in progress; Embargo 12 months from publication},
      abstract     = {The heavy metal cadmium (Cd) is highly toxic to plants. To
                      understand the mechanisms of tolerance and resistance to Cd,
                      we treated the rootless, submerged macrophyte Ceratophyllum
                      demersum L. with sub-micromolar concentrations of Cd under
                      environmentally relevant conditions. X-ray fluorescence
                      measurements revealed changing distribution patterns of Cd
                      and Zn at non-toxic (0.2 nM, 2 nM), moderately toxic (20 nM)
                      and highly toxic (200 nM) levels of Cd. Increasing Cd
                      concentrations led to enhanced sequestration of Cd into
                      non-photosynthetic tissues like epidermis and vein. At toxic
                      Cd concentrations, Zn was redistributed and mainly found in
                      the vein. Cd treatment induced the synthesis of
                      phytochelatins (PCs) in the plants, with a threshold of
                      induction already at 20 nM Cd for PC3. In comparison, in
                      plants treated with Cu, elevated PC levels were detected
                      only at the highest concentrations (100–200 nM Cu). Our
                      results show that also non-accumulators like C. demersum
                      store toxic metals in tissues where the heavy metal
                      interferes least with metabolic pathways, but remaining
                      toxicity interferes with micronutrient distribution.
                      Furthermore, we found that the induction of phytochelatins
                      is not proportional to metal concentration, but has a
                      distinct threshold, specific for each PC species. Finally we
                      could show that 20 nM Cd, which was previously regarded as
                      non-toxic to most plants, already induces detoxifying
                      mechanisms.},
      cin          = {DOOR / FS-DO},
      ddc          = {690},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-DO-20120731},
      pnm          = {DORIS Beamline L (POF2-54G13) / FS-Proposal: I-20110682
                      (I-20110682)},
      pid          = {G:(DE-H253)POF2-L-20130405 / G:(DE-H253)I-20110682},
      experiment   = {EXP:(DE-H253)D-L-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000324928700005},
      pubmed       = {pmid:23868355},
      doi          = {10.1039/c3mt00088e},
      url          = {https://bib-pubdb1.desy.de/record/166437},
}