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@ARTICLE{Radchuk:1010536,
      author       = {Radchuk, Volodymyr and Belew, Zeinu M and Gündel, Andre
                      and Mayer, Simon and Hilo, Alexander and Hensel, Goetz and
                      Sharma, Rajiv and Neumann, Kerstin and Ortleb, Stefan and
                      Wagner, Steffen and Muszynska, Aleksandra and Crocoll,
                      Christoph and Xu, Deyang and Hoffie, Iris and Kumlehn,
                      Jochen and Fuchs, Joerg and Peleke, Fritz F and Szymanski,
                      Jedrzej J and Rolletschek, Hardy and Nour-Eldin, Hussam H
                      and Borisjuk, Ljudmilla},
      title        = {{SWEET}11b transports both sugar and cytokinin in
                      developing barley grains},
      journal      = {The plant cell},
      volume       = {35},
      number       = {6},
      issn         = {1040-4651},
      address      = {Rockville, Md.},
      publisher    = {Soc.},
      reportid     = {FZJ-2023-03111},
      pages        = {2186 - 2207},
      year         = {2023},
      abstract     = {Even though Sugars Will Eventually be Exported Transporters
                      (SWEETs) have been found in every sequenced plant genome, a
                      comprehensive understanding of their functionality is
                      lacking. In this study, we focused on the SWEET family of
                      barley (Hordeum vulgare). A radiotracer assay revealed that
                      expressing HvSWEET11b in African clawed frog (Xenopus
                      laevis) oocytes facilitated the bidirectional transfer of
                      not only just sucrose and glucose, but also cytokinin.
                      Barley plants harboring a loss-of-function mutation of
                      HvSWEET11b could not set viable grains, while the
                      distribution of sucrose and cytokinin was altered in
                      developing grains of plants in which the gene was knocked
                      down. Sucrose allocation within transgenic grains was
                      disrupted, which is consistent with the changes to the
                      cytokinin gradient across grains, as visualized by magnetic
                      resonance imaging and Fourier transform infrared
                      spectroscopy microimaging. Decreasing HvSWEET11b expression
                      in developing grains reduced overall grain size, sink
                      strength, the number of endopolyploid endosperm cells, and
                      the contents of starch and protein. The control exerted by
                      HvSWEET11b over sugars and cytokinins likely predetermines
                      their synergy, resulting in adjustments to the grain's
                      biochemistry and transcriptome.},
      cin          = {IBG-4},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IBG-4-20200403},
      pnm          = {2171 - Biological and environmental resources for
                      sustainable use (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2171},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {36857316},
      UT           = {WOS:000946526400001},
      doi          = {10.1093/plcell/koad055},
      url          = {https://juser.fz-juelich.de/record/1010536},
}