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@ARTICLE{Voiniciuc:203204,
      author       = {Voiniciuc, Catalin and Schmidt, Maximilian Heinrich-Wilhelm
                      and Berger, Adeline and Yang, Bo and Ebert, Berit and
                      Scheller, Henrik Vibe and North, Helen M. and Usadel, Björn
                      and Günl, Markus},
      title        = {{MUCI}10 {P}roduces {G}alactoglucomannan {T}hat {M}aintains
                      {P}ectin and {C}ellulose {A}rchitecture in {A}rabidopsis
                      {S}eed {M}ucilage},
      journal      = {Plant physiology},
      volume       = {169},
      number       = {1},
      issn         = {1532-2548},
      address      = {Rockville, Md.},
      publisher    = {Soc.},
      reportid     = {FZJ-2015-05202},
      pages        = {pp.00851.2015 -},
      year         = {2015},
      abstract     = {Plants invest a lot of their resources into the production
                      of an extracellular matrix built of polysaccharides. While
                      the composition of the cell wall is relatively well
                      characterized, the functions of the individual polymers and
                      the enzymes that catalyze their biosynthesis remain poorly
                      understood. We exploited the Arabidopsis thaliana seed coat
                      epidermis (SCE) to study cell wall synthesis. SCE cells
                      produce mucilage, a specialized secondary wall that is rich
                      in pectin, at a precise stage of development. A
                      co-expression search for MUCILAGE-RELATED (MUCI) genes
                      identified MUCI10 as a key determinant of mucilage
                      properties. MUCI10, a member of the GT34 family, is closely
                      related to a fenugreek enzyme that has in vitro
                      galactomannan α-1,6-galactosyltransferase activity. Our
                      detailed analysis of the muci10 mutants demonstrates that
                      mucilage contains highly branched galactoglucomannan (GGM)
                      rather than unbranched glucomannan. MUCI10 likely decorates
                      glucomannan, synthesized by CSLA2, with galactose residues
                      in vivo. The degree of galactosylation is essential for the
                      synthesis of the GGM backbone, the structure of cellulose,
                      mucilage density, as well as the adherence of pectin. We
                      propose that GGM scaffolds control mucilage architecture
                      along with cellulosic rays, and show that Arabidopsis SCE
                      cells represent an excellent model to study the synthesis
                      and function of GGM. Arabidopsis natural varieties with
                      defects similar to muci10 mutants may reveal additional
                      genes involved in GGM synthesis. Since GGM is the most
                      abundant hemicellulose in the secondary walls of
                      gymnosperms, understanding its biosynthesis may facilitate
                      improvements in the production of valuable commodities from
                      softwoods.},
      cin          = {IBG-2},
      ddc          = {580},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000360930600033},
      pubmed       = {pmid:26220953},
      doi          = {10.1104/pp.15.00851},
      url          = {https://juser.fz-juelich.de/record/203204},
}