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@ARTICLE{Vandoorne:111950,
      author       = {Vandoorne, B. and Mathieu, A.S. and Van den Ende, W. and
                      Vergauwen, R. and Perilleux, C. and Javaux, M. and Lutts,
                      S.},
      title        = {{W}ater stress drastically reduces root growth and inulin
                      yield in {C}ichorium intybus (var. sativum) independently of
                      photosynthesis},
      journal      = {The journal of experimental botany},
      volume       = {63},
      issn         = {0022-0957},
      address      = {Oxford},
      publisher    = {Univ. Press},
      reportid     = {PreJuSER-111950},
      pages        = {4359 - 4373},
      year         = {2012},
      note         = {This work was supported by the Region Wallonne (DGTRE) of
                      Belgium through the subventions D31-1062, D31-1123, and
                      D31-1175 and by the Fonds National de la Recherche
                      Scientifique (FNRS; convention no. 1.5.111.10F). The authors
                      are also very grateful to FNRS for the PhD research grant of
                      BV (Aspirant FNRS) and to B. Van Pee, B. Capelle, and H.
                      Dailly (CARI-UCL) for their valuable technical assistance.},
      abstract     = {Root chicory (Cichorium intybus var. sativum) is a cash
                      crop cultivated for inulin production in Western Europe.
                      This plant can be exposed to severe water stress during the
                      last 3 months of its 6-month growing period. The aim of this
                      study was to quantify the effect of a progressive decline in
                      water availability on plant growth, photosynthesis, and
                      sugar metabolism and to determine its impact on inulin
                      production. Water stress drastically decreased fresh and dry
                      root weight, leaf number, total leaf area, and stomatal
                      conductance. Stressed plants, however, increased their
                      water-use efficiency and leaf soluble sugar concentration,
                      decreased the shoot-to-root ratio and lowered their osmotic
                      potential. Despite a decrease in photosynthetic pigments,
                      the photosynthesis light phase remained unaffected under
                      water stress. Water stress increased sucrose phosphate
                      synthase activity in the leaves but not in the roots. Water
                      stress inhibited sucrose:sucrose 1-fructosyltransferase and
                      fructan:fructan 1 fructosyltransferase after 19 weeks of
                      culture and slightly increased fructan 1-exohydrolase
                      activity. The root inulin concentration, expressed on a
                      dry-weight basis, and the mean degree of polymerization of
                      the inulin chain remained unaffected by water stress. Root
                      chicory displayed resistance to water stress, but that
                      resistance was obtained at the expense of growth, which in
                      turn led to a significant decrease in inulin production.},
      keywords     = {J (WoSType)},
      cin          = {IBG-3},
      ddc          = {580},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Plant Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:22577185},
      pmc          = {pmc:PMC3421980},
      UT           = {WOS:000307821100005},
      doi          = {10.1093/jxb/ers095},
      url          = {https://juser.fz-juelich.de/record/111950},
}