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Improvement of stress tolerance in plants by genetic manipulation of mitogen-activated protein kinases

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Plihal, Ondrej | Al-Yousif, Mohamed | Hirt, Heribert | Samaj, Jozef

Edité par CCSD ; Elsevier -

Document Type : Proceedings Paper Conference Date : JUN 15-17, 2011 Conference Location : Prague, CZECH REPUBLIC Conference Sponsor : Reg Hana Biotechnolog & Agr Res. International audience. Plant stress tolerance depends on many factors among which signaling by mitogen-activated protein-kinase (MAPK) modules plays a crucial role. Reversible phosphorylation of MAPKs, their upstream activators and downstream targets such as transcription factors can trigger a myriad of transcriptomic, cellular and physiological responses. Genetic manipulation of abundance and/or activity of some of these modular MAPK components can lead to better stress tolerance in Arabidopsis and crop plant species such as tobacco and cereals. The main focus of this review is devoted to the MAPK-related signaling components which show the most promising biotechnological potential. Additionally, recent studies identified MAPK components to be involved both in plant development as well as in stress responses, suggesting that these processes are tightly linked in plants. (c) 2011 Elsevier Inc. All rights reserved.

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