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@ARTICLE{ChavarriaKrauser:51172,
      author       = {Chavarria-Krauser, A.},
      title        = {{Q}uantification of curvature production in cylindrical
                      organs, such as roots and hypocotyls},
      journal      = {The new phytologist},
      volume       = {0},
      issn         = {0028-646X},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {PreJuSER-51172},
      pages        = {633 - 641},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Differential growth curvature rate (DGCR), defined as the
                      spatial derivative of the tropic speed, was derived as a
                      measure of curvature production in cylindrical organs. Its
                      relation to usual concepts, such as curvature (kappa), rate
                      of curvature (dkappa/dt) and differential growth profiles,
                      was determined. A root gravitropism model, testing the
                      hypothesis of one and two motors, exemplified its
                      capabilities.DGCR was derived using cylindrical geometry and
                      its meaning was obtained through a curvature conservation
                      equation. The root gravitropism model was solved using a
                      discrete difference method on a computer.DGCR described
                      curvature production independently of growth, and was
                      superior to dkappa/dt, which underestimated production.
                      Moreover, DGCR profiles were able to differ between one and
                      two motors, while profiles of kappa and dkappa/dt were not.
                      The choice of the measure of curvature production has a
                      large impact on experimental results, in particular when
                      spatial and temporal patterns of differential growth need to
                      be determined. DGCR was shown to fulfill the accuracy needed
                      in the quantification of curvature production and should
                      thus serve as a helpful tool for measurements.},
      keywords     = {Arabidopsis: anatomy $\&$ histology / Arabidopsis: growth
                      $\&$ development / Arabidopsis: physiology / Gravitropism:
                      physiology / Hypocotyl: anatomy $\&$ histology / Hypocotyl:
                      growth $\&$ development / Models, Biological / Plant Roots:
                      anatomy $\&$ histology / Plant Roots: growth $\&$
                      development / J (WoSType)},
      cin          = {ICG-III},
      ddc          = {580},
      cid          = {I:(DE-Juel1)VDB49},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Plant Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:16866964},
      UT           = {WOS:000239010200016},
      doi          = {10.1111/j.1469-8137.2006.01770.x},
      url          = {https://juser.fz-juelich.de/record/51172},
}