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@INPROCEEDINGS{Junker:856819,
      author       = {Junker, Laura and Genzel, Franziska and Büchsenschütz,
                      Jana and Thiele, Björn and Wormit, Alexandra and
                      Wiese-Klinkenberg, Anika},
      title        = {{T}argeted induction of plant secondary metabolism in
                      horticultural plants by controlled stress applications},
      reportid     = {FZJ-2018-06160},
      year         = {2018},
      abstract     = {Plants rely on morphological or biochemical mechanisms to
                      protect themselves under challenging environmental
                      conditions. This involves the accumulation of diverse
                      bioactive secondary metabolites. Such secondary metabolites
                      are recognized as valuable compounds for human health, as
                      ingredients of cosmetics or for further industrial purposes,
                      utilized after extraction of purified compounds or in plant
                      extracts. The interdisciplinary projects InducTomE and
                      TaReCa evaluate a novel process to make use of secondary
                      metabolites in residual plant biomass of horticultural
                      plants. In this process, stress treatments after the last
                      fruit harvest are applied to increase the amount of valuable
                      metabolites in the plant residuals. Thereby, the residual
                      biomass can be used for the extraction of industrially
                      relevant metabolites. In a pre-screen, young bell pepper and
                      tomato plants were exposed to various abiotic stress
                      treatments like water or nutrient deficiency, salt stress or
                      cold. We identified suitable stress treatments that induced
                      the accumulation of total phenolics, flavonoids and also
                      valuable target metabolites, like the flavonoid rutin and
                      the polyisoprenoid solanesol. A comparison of commercial
                      lines and a wild relative in these experiments revealed
                      differences in stress-induced metabolite accumulation and
                      biosynthesis gene expression indicating genetic variability
                      of responses of secondary metabolism to stress. According to
                      the results of the pre-screen, stress treatment protocols
                      for the induction of target metabolites will be developed
                      for use in commercial greenhouses. In addition, phenotyping
                      methods were applied to quantify plant stress responses and
                      to monitor the intensity of the treatments. This will also
                      help to develop easy-to-use tools to control the targeted
                      stress application in commercial greenhouses. The proposed
                      method for a targeted tailoring of the secondary metabolism
                      in horticultural residuals demonstrates the valorization of
                      underutilized by-products of horticultural food production.
                      Thereby, it has thus the potential to generate added value
                      and increase sustainability of the horticultural food
                      production.},
      month         = {Jun},
      date          = {2018-06-18},
      organization  = {Plant Biology Europe 2018, Kopenhagen
                       (Dänemark), 18 Jun 2018 - 21 Jun 2018},
      subtyp        = {Other},
      cin          = {IBG-2},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/856819},
}