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@ARTICLE{McQueen:47497,
      author       = {McQueen, J. C. and Minchin, P. E. H. and Thorpe, M. R. and
                      Silvester, W. B.},
      title        = {{S}hort-term storage of carbohydrate in stem tissue of
                      apple ({M}alus domestica), a woody perennial: evidence for
                      involvement of the apoplast},
      journal      = {Functional plant biology},
      volume       = {32},
      issn         = {1445-4408},
      address      = {Collingwood, Victoria},
      publisher    = {CSIRO Publ.},
      reportid     = {PreJuSER-47497},
      pages        = {1027 - 1031},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {This work investigates the pathway and mechanism for
                      lateral retrieval of carbohydrate into the transport phloem
                      of apple stems ( Malus domestica Borkh.). A heat exchanger
                      was set up on the stem, allowing rapid chilling and
                      subsequent re-warming of stem segments while the time course
                      of axial transport of C-11-labelled photoassimilate was
                      measured at a position similar to 65 mm downstream of the
                      heat exchanger. Whenever axial transport was blocked by a
                      sudden chill at the heat exchanger, transport 65 mm
                      downstream from the blockage immediately slowed but did not
                      stop, showing that there was retrieval of solutes into the
                      pathway ( buffering), within that 65 mm of stem, to help
                      maintain the axial flow. Use of PCMBS, an inhibitor of sugar
                      transporters, showed that the buffering included retrieval
                      of sugar from the apoplast. We concluded that in apple,
                      apoplastic sugar in stem tissue can buffer phloem transport
                      during short-term changes in supply and demand for
                      carbohydrates. Buffering was stronger when mobile reserves
                      in the stem were higher, for example late in the
                      photoperiod, or if carbohydrate demand in the terminal sink
                      was increased. We also suggest that the concentration of
                      sugars in the apoplast is a regulator of carbohydrate
                      storage and re-mobilisation.},
      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:000232856600006},
      doi          = {10.1071/FP05082},
      url          = {https://juser.fz-juelich.de/record/47497},
}