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Homepage  Research Topics  Plant stress tolerance mechanisms

Plant stress tolerance mechanisms

Stress resistance in plants

Plants are frequently challenged by unfavorable environmental conditions. Drought, temperature extremes or pathogen infections limit plant growth and development. We analyse the mechanisms that plants use to cope with environmental stress and explore their potential for new crop improvement strategies.

A multitude of stress-induced responses are required for acclimation to stress. Thus, we take an integrative approach to better understand how signal transduction cascades regulate the coordinated response of metabolism and chromatin function (gene expression) that is vital to stress resilience in fluctuating environments.

 

Information graphics on plant stress resistance, a presentation of external and internal influences and the paths of action.

Figure (AIT/C.Jonak): Schematic representation of the mode of action and signal processing of stress resistance in plants

PROJECT UNTWIST

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Portrait photo of Claudia Jonak

Doz.in Dr.in Claudia Jonak

Group picture of the scientists

Team

Florentina Freynschlag
Dominik Großkinsky
Barbara Hönigsberger
André Melao-Alcantara
Krisztina Ötvös
Bikram Pandey
Peter Stasnik

 

Information material

Improving Plant Vigor Factsheet
pdf (1 MB)

Selected Publications

H. Stampfl, M. Fritz, S. Dal Santo, C. Jonak (2016). The GSK3/Shaggy-like kinase ASKα contributes to pattern-triggered immunity in Arabidopsis thaliana. Plant Phys, 171, 1366-1377.

S. Waidmann, B. Kusenda, J. Mayerhofer, K. Mechtler, C. Jonak (2014). A DEK Domain-Containing Protein Modulates Chromatin Structure and Function in Arabidopsis. Plant Cell, 26, 4328-4344.

W. Rozhon, W. Wang, F. Berthiller, J. Mayerhofer, T. Chen, E. Petutschnig, T. Sieberer, B. Poppenberger, C. Jonak (2014). Bikinin-like inhibitors targeting GSK3/Shaggy-like kinases: characterisation of novel compounds and elucidation of their catabolism in planta. BMC Plant Biology, 14, 172.

J. Krasensky, C. Broyart, F. Rabanal, C. Jonak (2014). The redox-sensitive chloroplast trehalose-6-phosphate phosphatase AtTPPD regulates salt stress tolerance. Antioxid Redox Signal, 21, 1289-1304.

O. Popova, H.Q. Dinh, W. Aufsatz, C. Jonak (2013). The RdDM Pathway Is Required for Basal Heat Tolerance in Arabidopsis. Mol. Plant, 6, 396-410.

S. Dal Santo, H. Stampfl, J. Krasensky, S. Kempa, Y. Gibon, E. Petutschnig, W. Rozhon, A. Heuck, T. Clausen, C. Jonak (2012). Stress-Induced Glycogen Synthase Kinase 3 (GSK3) Regulates the Redox Stress Response by Phosphorylating Glucose-6-Phosphate Dehydrogenase in Arabidopsis thaliana. Plant Cell, 24, 3380-3392.