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@ARTICLE{Weidenbach:187612,
      author       = {Weidenbach, D. and Jansen, Marcus and Franke, R. B. and
                      Hensel, G. and Weissgerber, W. and Ulferts, S. and Jansen,
                      I. and Schreiber, L. and Korzun, V. and Pontzen, R. and
                      Kumlehn, J. and Pillen, K. and Schaffrath, U.},
      title        = {{E}volutionary {C}onserved {F}unction of {B}arley and
                      {A}rabidopsis 3-{KETOACYL}-{C}o{A} {SYNTHASES} in
                      {P}roviding {W}ax {S}ignals for {G}ermination of {P}owdery
                      {M}ildew {F}ungi},
      journal      = {Plant physiology},
      volume       = {166},
      number       = {3},
      issn         = {1532-2548},
      address      = {Rockville, Md.},
      publisher    = {Soc.},
      reportid     = {FZJ-2015-01240},
      pages        = {1621 - 1633},
      year         = {2014},
      abstract     = {For plant pathogenic fungi, such as powdery mildews, that
                      survive only on a limited number of host plant species, it
                      is a matter of vital importance that their spores sense that
                      they landed on the right spot to initiate germination as
                      quickly as possible. We investigated a barley (Hordeum
                      vulgare) mutant with reduced epicuticular leaf waxes on
                      which spores of adapted and nonadapted powdery mildew fungi
                      showed reduced germination. The barley gene responsible for
                      the mutant wax phenotype was cloned in a forward genetic
                      screen and identified to encode a 3-KETOACYL-CoA SYNTHASE
                      (HvKCS6), a protein participating in fatty acid elongation
                      and required for synthesis of epicuticular waxes. Gas
                      chromatography-mass spectrometry analysis revealed that the
                      mutant has significantly fewer aliphatic wax constituents
                      with a chain length above C-24. Complementation of the
                      mutant restored wild-type wax and overcame germination
                      penalty, indicating that wax constituents less present on
                      the mutant are a crucial clue for spore germination.
                      Investigation of Arabidopsis (Arabidopsis thaliana)
                      transgenic plants with sense silencing of Arabidopsis
                      REQUIRED FOR CUTICULAR WAX PRODUCTION1, the HvKCS6 ortholog,
                      revealed the same germination phenotype against adapted and
                      nonadapted powdery mildew fungi. Our findings hint to an
                      evolutionary conserved mechanism for sensing of plant
                      surfaces among distantly related powdery mildews that is
                      based on KCS6-derived wax components. Perception of such a
                      signal must have been evolved before the monocot-dicot split
                      took place approximately 150 million years ago.},
      cin          = {IBG-2},
      ddc          = {580},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {89582 - Plant Science (POF2-89582)},
      pid          = {G:(DE-HGF)POF2-89582},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000345072400042},
      pubmed       = {pmid:25201879},
      doi          = {10.1104/pp.114.246348},
      url          = {https://juser.fz-juelich.de/record/187612},
}