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@ARTICLE{Grimm:874923,
      author       = {Grimm, Eckhard and Pflugfelder, Daniel and Hahn, Jan and
                      Schmidt, Moritz Jonathan and Dieckmann, Hendrik and Knoche,
                      Moritz},
      title        = {{S}patial heterogeneity of flesh-cell osmotic potential in
                      sweet cherry affects partitioning of absorbed water},
      journal      = {Horticulture research},
      volume       = {7},
      number       = {1},
      issn         = {2052-7276},
      address      = {London},
      publisher    = {Nature Publ. Group},
      reportid     = {FZJ-2020-01707},
      pages        = {51},
      year         = {2020},
      abstract     = {A fleshy fruit is commonly assumed to resemble a
                      thin-walled pressure vessel containing a homogenous
                      carbohydrate solution. Using sweet cherry (Prunus avium L.)
                      as a model system, we investigate how local differences in
                      cell water potential affect H2O and D2O (heavy water)
                      partitioning. The partitioning of H2O and D2O was mapped
                      non-destructively using magnetic resonance imaging (MRI).
                      The change in size of mesocarp cells due to water movement
                      was monitored by optical coherence tomography (OCT,
                      non-destructive). Osmotic potential was mapped using
                      micro-osmometry (destructive). Virtual sections through the
                      fruit revealed that the H2O distribution followed a net
                      pattern in the outer mesocarp and a radial pattern in the
                      inner mesocarp. These patterns align with the disposition of
                      the vascular bundles. D2O uptake through the skin paralleled
                      the acropetal gradient in cell osmotic potential gradient
                      (from less negative to more negative). Cells in the vicinity
                      of a vascular bundle were of more negative osmotic potential
                      than cells more distant from a vascular bundle. OCT revealed
                      net H2O uptake was the result of some cells loosing volume
                      and other cells increasing volume. H2O and D2O partitioning
                      following uptake is non-uniform and related to the spatial
                      heterogeneity in the osmotic potential of mesocarp cells.},
      cin          = {IBG-2},
      ddc          = {640},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32257237},
      UT           = {WOS:000524501200013},
      doi          = {10.1038/s41438-020-0274-8},
      url          = {https://juser.fz-juelich.de/record/874923},
}