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@ARTICLE{Jansen:1650,
      author       = {Jansen, M. and Schaffrath, U.},
      title        = {{T}he barley mutant emr2 shows enhanced resistance against
                      several fungal leaf pathogens},
      journal      = {Plant breeding},
      volume       = {128},
      issn         = {0179-9541},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {PreJuSER-1650},
      pages        = {124 - 129},
      year         = {2009},
      note         = {The authors are very grateful to Prof. A. J. Slusarenko for
                      helpful discussion on the segregation analysis and for
                      critical reading of the manuscript. Prof. J. Leon is kindly
                      acknowledged for the multiplication of barley cultivars and
                      mutants. We thank Dr J.- B. Speakman, BASF, Ludwigshafen,
                      Germany for assistance with Drechslera teres and
                      Rhynchosporium secalis. MJ was supported temporarily by a
                      grant of the RWTH Aachen University.},
      abstract     = {Homozygous mlo-barley plants are resistant to barley
                      powdery mildew but hypersusceptible to the rice blast fungus
                      Magnaporthe oryzae. A mutational analysis was performed in
                      the barley back-cross line BCIngrid mlo5 which led to the
                      identification of two mutants with enhanced capacity to
                      resist infections by M. oryzae, referred to as enhanced M.
                      oryzae resistance mutants emr1 and emr2. Here, we report on
                      the characterization of emr2 mutant plants which not only
                      show an almost complete reduction in disease severity after
                      inoculation with M. oryzae but are also resistant to the
                      necrotrophic fungi Drechslera teres and Rhynchosporium
                      secalis. Histological analysis revealed that resistance to
                      M. oryzae was based mainly on the formation of papillae at
                      sites of attempted penetration into epidermal cells. There
                      was no progression of fungal growth into the mesophyll.
                      Additionally, because of the presence of the mlo-allele,
                      emr2-plants retained resistance to powdery mildew. The
                      emr2-conditioned broad spectrum resistance was inherited as
                      in a recessive manner. Monitoring of PR-gene expression and
                      enzymatic activity of peroxidases revealed a constitutively
                      activated defence in emr2.},
      cin          = {ICG-3},
      ddc          = {580},
      cid          = {I:(DE-Juel1)ICG-3-20090406},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Agronomy / Biotechnology $\&$ Applied Microbiology / Plant
                      Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000264819900003},
      doi          = {10.1111/j.1439-0523.2008.01604.x},
      url          = {https://juser.fz-juelich.de/record/1650},
}