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@ARTICLE{Agyei:1048822,
      author       = {Agyei, Kwabena and Detring, Justus and Metzner, Ralf and
                      Huber, Gregor and Pflugfelder, Daniel and Eini, Omid and
                      Varrelmann, Mark and Mahlein, Anne-Katrin and Koller,
                      Robert},
      title        = {{S}yndrome “basses richesses” disease induced
                      structural deformations and sectorial distribution of
                      photoassimilates in sugar beet taproot revealed by combined
                      {MRI}-{PET} imaging},
      journal      = {Plant phenomics},
      volume       = {7},
      number       = {2},
      issn         = {2097-0374},
      address      = {Washington, D.C.},
      publisher    = {American Association for the Advancement of Science},
      reportid     = {FZJ-2025-04930},
      pages        = {100053 -},
      year         = {2025},
      abstract     = {The disease syndrome “basses richesses” (SBR) leads to
                      a significant reduction in sugar beet biomass and
                      sugarcontent, negatively affecting the sugar economy. The
                      mechanistic understanding regarding growth and
                      photoassimilatesdistribution within the sugar beet taproot
                      diseased with SBR is currently incomplete. We combinedtwo
                      tomographic methods, magnetic resonance imaging (MRI) and
                      positron emission tomography (PET) using11C as tracer, to
                      non-invasively determine SBR effects on structural growth
                      and photoassimilates distributionwithin the developing
                      taproot over six weeks. MRI analysis revealed a deformed
                      cross-sectional anatomicalstructure from an early stage, as
                      well as a reduction in taproot volume and width of inner
                      cambium ringstructures of up to 26 and 24 $\%,$
                      respectively. These SBR disease effects were also confirmed
                      by post-harvestanalysis of the taproot. PET analysis
                      revealed a heterogeneous distribution of labeled
                      photoassimilates fordiseased plants: sectors of the taproot
                      with characteristic SBR symptoms showed little to very low
                      11C tracersignal. The heterogeneity of SBR disease effects
                      is most likely due to a partial inoculation of leaves
                      leading to anuneven distribution of the SBR pathogen in the
                      taproot through the strong vascular interconnection
                      betweenshoot and root. Also, the pathogen needs to spread
                      non-uniformly within the taproot to explain the
                      observedmarked increase of the SBR disease effects over
                      time. Our results indicate that SBR affects photoassimilates
                      sinkcapacity at an early stage of taproot development.
                      Co-registration of MRI and PET may support an early
                      judgingof susceptibility and selection of promising genotype
                      candidates for future breeding programs.},
      cin          = {IBG-2},
      ddc          = {580},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {2171 - Biological and environmental resources for
                      sustainable use (POF4-217) / DFG project G:(GEPRIS)390732324
                      - EXC 2070: PhenoRob - Robotik und Phänotypisierung für
                      Nachhaltige Nutzpflanzenproduktion (390732324)},
      pid          = {G:(DE-HGF)POF4-2171 / G:(GEPRIS)390732324},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1016/j.plaphe.2025.100053},
      url          = {https://juser.fz-juelich.de/record/1048822},
}