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@ARTICLE{ChavarriaKrauser:45871,
      author       = {Chavarria-Krauser, A. and Jäger, W. and Schurr, U.},
      title        = {{P}rimary root growth: a biophysical model of auxin-related
                      control},
      journal      = {Functional plant biology},
      volume       = {32},
      issn         = {1445-4408},
      address      = {Collingwood, Victoria},
      publisher    = {CSIRO Publ.},
      reportid     = {PreJuSER-45871},
      pages        = {849 - 862},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Plant hormones control many aspects of plant development
                      and play an important role in root growth. Many plant
                      reactions, such as gravitropism and hydrotropism, rely on
                      growth as a driving motor and hormones as signals. Thus,
                      modelling the effects of hormones on expanding root tips is
                      an essential step in understanding plant roots. Here we
                      achieve a connection between root growth and hormone
                      distribution by extending a model of root tip growth, which
                      describes the tip as a string of dividing and expanding
                      cells. In contrast to a former model, a biophysical growth
                      equation relates the cell wall extensibility, the osmotic
                      potential and the yield threshold to the relative growth
                      rate. This equation is used in combination with a refined
                      hormone model including active auxin transport. The model
                      assumes that the wall extensibility is determined by the
                      concentration of a wall enzyme, whose production and
                      degradation are assumed to be controlled by auxin and
                      cytokinin. Investigation of the effects of auxin on the
                      relative growth rate distribution thus becomes possible.
                      Solving the equations numerically allows us to test the
                      reaction of the model to changes in auxin production.
                      Results are validated with measurements found in
                      literature.},
      keywords     = {J (WoSType)},
      cin          = {ICG-III},
      ddc          = {580},
      cid          = {I:(DE-Juel1)VDB49},
      pnm          = {Chemie und Dynamik der Geo-Biosphäre},
      pid          = {G:(DE-Juel1)FUEK257},
      shelfmark    = {Plant Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000231449800010},
      doi          = {10.1071/FP05033},
      url          = {https://juser.fz-juelich.de/record/45871},
}