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@ARTICLE{Chen:11557,
      author       = {Chen, X. and Pierik, R. and Peeters, A.J.M. and Poorter, H.
                      and Visser, E.J.W. and Huber, H. and de Kroon, H. and
                      Voesenek, L.A.C.J.},
      title        = {{E}ndogenous {A}bscisic {A}cid as a {K}ey {S}witch for
                      {N}atural {V}ariation in {F}looding-{I}nduced {S}hoot
                      {E}longation},
      journal      = {Plant physiology},
      volume       = {154},
      issn         = {0032-0889},
      address      = {Rockville, Md.: Soc.},
      publisher    = {JSTOR},
      reportid     = {PreJuSER-11557},
      pages        = {969 - 977},
      year         = {2010},
      note         = {This work was supported by the Netherlands Organization for
                      Scientific Research (NWO-ALW; VENI grant no. 86306001 to
                      R.P.).},
      abstract     = {Elongation of leaves and stem is a key trait for survival
                      of terrestrial plants during shallow but prolonged floods
                      that completely submerge the shoot. However, natural floods
                      at different locations vary strongly in duration and depth,
                      and, therefore, populations from these locations are
                      subjected to different selection pressure, leading to
                      intraspecific variation. Here, we identified the signal
                      transduction component that causes response variation in
                      shoot elongation among two accessions of the wetland plant
                      Rumex palustris. These accessions differed 2-fold in petiole
                      elongation rates upon submergence, with fast elongation
                      found in a population from a river floodplain and slow
                      elongation in plants from a lake bank. Fast petiole
                      elongation under water consumes carbohydrates and depends on
                      the (inter)action of the plant hormones ethylene, abscisic
                      acid, and gibberellic acid. We found that carbohydrate
                      levels and dynamics in shoots did not differ between the
                      fast and slow elongating plants, but that the level of
                      ethylene-regulated abscisic acid in petioles, and hence
                      gibberellic acid responsiveness of these petioles explained
                      the difference in shoot elongation upon submergence. Since
                      this is the exact signal transduction level that also
                      explains the variation in flooding-induced shoot elongation
                      among plant species (namely, R. palustris and Rumex
                      acetosa), we suggest that natural selection results in
                      similar modification of regulatory pathways within and
                      between species.},
      keywords     = {Abscisic Acid: physiology / Carbohydrates: analysis /
                      Ethylenes: metabolism / Floods / Gibberellins: physiology /
                      Molecular Sequence Data / Plant Growth Regulators:
                      physiology / Plant Shoots: growth $\&$ development / RNA,
                      Plant: genetics / Rumex: genetics / Rumex: growth $\&$
                      development / Rumex: physiology / Signal Transduction /
                      Water: physiology / Carbohydrates (NLM Chemicals) /
                      Ethylenes (NLM Chemicals) / Gibberellins (NLM Chemicals) /
                      Plant Growth Regulators (NLM Chemicals) / RNA, Plant (NLM
                      Chemicals) / Abscisic Acid (NLM Chemicals) / ethylene (NLM
                      Chemicals) / gibberellic acid (NLM Chemicals) / Water (NLM
                      Chemicals) / J (WoSType)},
      cin          = {ICG-3},
      ddc          = {580},
      cid          = {I:(DE-Juel1)ICG-3-20090406},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Plant Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:20699400},
      pmc          = {pmc:PMC2949041},
      UT           = {WOS:000282512300067},
      doi          = {10.1104/pp.110.162792},
      url          = {https://juser.fz-juelich.de/record/11557},
}