Jump to content
circuit board with the logo of AIT placed on it

Researcher Profile

Doz. Dr. Claudia Jonak

Doz. Dr. Claudia Jonak


Principal Scientist


Health & Bioresources

Competence Unit





+43 50550 4632


+43 50550 3666


UFT, Konrad-Lorenz-Straße 24, 3430 Tulln


Field: Exploration of Biological Resources

Main Research: Improvement of Plant Vigour


Stress biology - signal transduction towards the coordinated regulation of cellular metabolism and chromatin responses under stress. Genetic, biochemical, molecular and physiological adaptation strategies of plants to adverse environmental conditions

  • 2004-2015: Research Group Leader
    GMI - Gregor Mendel Institute of Molecular Plant Biology / Austria
  • 2000-2003: Research Group Leader
    MFPL - Max Perutz Laboratories / Austria
  • 1997-2000: Research Assistant
    Institute of Microbiology and Genetics / Austria
  • 1995-1997: EMBO Fellow
    INRA - Institut National de la Recherche Agronomique - Versailles / France
  • 2008: Member of the Austrian Academy of Sciences (Junge Kurie)
  • 2005: Promotion prize of the City of Vienna
  • 2004: Kardinal Innitzer promotion prize
  • 2004: Theodor Körner prize
  • 2000: Hertha Firnberg position
  • 1995: EMBO longterm fellowship


  • Transgenerational inheritance and resetting of stress-induced loss of epigenetic gene silencing in Arabidopsis.
    Author(s): C. Lang-Mladek, O. Popova, K. Kiok, M. Berlinger, B. Rakic, W. Aufsatz, C. Jonak, M. T. Hauser, C. Luschnig
    Journal: Mol. Plant (2010)
  • Transgenerational epigenetic inheritance in plants.
    Author(s): M.T. Hauser, W. Aufsatz, C. Jonak, C. Luschnig
    Journal: Biochim Biophys Acta (2011)
  • SPEECHLESS integrates brassinosteroid and stomata signalling pathways.
    Author(s): G.E. Gudesblat., J. Schneider-Pizon. C. Betti, J. Mayerhofer, I. Vanhoutte, W. van Dongen. S. Boeren, M. Zhiponova, S. de Vries, C. Jonak and E. Russinova
    Journal: Nature Cell Biol. (2012)
  • Stress-Induced Glycogen Synthase Kinase 3 (GSK3) Regulates the Redox Stress Response by Phosphorylating Glucose-6-Phosphate Dehydrogenase in Arabidopsis thaliana.
    Author(s): S. Dal Santo, H. Stampfl, J. Krasensky, S. Kempa, Y. Gibon, E. Petutschnig, W. Rozhon, A. Heuck, T. Clausen and C. Jonak
    Journal: Plant Cell (2012)
  • Drought, salt, and temperature stress-induced metabolic rearrangements and regulatory networks.
    Author(s): J. Krasenksy and C. Jonak
    Journal: J Exp Bot. (2012)
  • The RdDM Pathway Is Required for Basal Heat Tolerance in Arabidopsis
    Author(s): O.V. Popova, H.Q. Dinh, W. Aufsatz, C. Jonak
    Journal: Mol. Plant (2013)
  • Brassinosteroid-regulated GSK3/shaggy-like kinases phosphorylate MAP kinase kinases, which control stomata development in Arabidopsis thaliana.
    Author(s): M. Khan, W. Rozhon, J. Bigeard, D. Pflieger, S. Husar, A. Pitzschke, M. Teige, C. Jonak, H. Hirt, B. Poppenberger
    Journal: J. Biol. Chem. (2013)
  • A DEK Domain-Containing Protein Modulates Chromatin Structure and Function in Arabidopsis.
    Author(s): S. Waidmann, B. Kusenda, J. Mayerhofer, K. Mechtler, C. Jonak
    Journal: Plant Cell (2014)
  • Bikinin-like inhibitors targeting GSK3/Shaggy-like kinases: characterisation of novel compounds and elucidation of their catabolism in planta.
    Author(s): W. Rozhon, W. Wang, F. Berthiller, J. Mayerhofer, T. Chen, E. Petutschnig, T. Sieberer, B. Poppenberger, C. Jonak
    Journal: BMC Plant Biology (2014)
  • Nonsense-mediated mRNA decay modulates immune receptor levels to regulate plant antibacterial defense.
    Author(s): J. Gloggnitzer, S. Akimcheva, A. Srinivasan, B. Kusenda, N. Riehs, H. Stampfl, J. Bautor, B. Dekrout, C. Jonak, J.M. Jiménez-Gómez, J.E. Parker, K. Riha
    Journal: Cell Host Microbe (2014)
  • The redox-sensitive chloroplast trehalose-6-phosphate phosphatase AtTPPD regulates salt stress tolerance.
    Author(s): J. Krasensky, C. Broyart, F. Rabanal, C. Jonak
    Journal: Antioxid Redox Signal (2014)
  • The GSK3/Shaggy-like kinase ASKa contributes to pattern-triggered immunity in Arabidopsis thaliana
    Author(s): H. Stampfl, M. Fritz, S. Dal Santo, C. Jonak
    Journal: Plant Phys., 171 (2016) ; 1366-1377

Further Information