MAP kinase signal transduction pathways in plants

    Research output: Contribution to journalArticle

    Abstract

    The mitogen-activated protein kinase (MAP kinase) signal transduction cascades are routes through which eukaryotic cells deliver extracellular messages to the cytosol and nucleus. These signalling pathways direct cell division, cellular differentiation, metabolism, and both biotic and abiotic stress responses. In plants, MAP kinases and the upstream components of the cascades are represented by multigene families, organized into different pathways which are stimulated and interact in complex ways. Experimental strategies for the analysis of MAP kinase cascades include the yeast two-hybrid system; using this approach in vitro interactions between specific MAP kinase cascade components have been analysed and putative plant cascades postulated. Transient transformation of protoplasts with epitope-tagged kinases has allowed cascades to be tested in planta. There is clear evidence for the involvement of MAP kinases in plant cell division and in the regulation of auxin signalling. Biotic (pathogens and pathogen-derived elicitors from fungi, bacteria and viruses) and abiotic stresses including wounding, mechanical stimulation, cold, drought and ozone can elicit defence responses in plants through MAP kinase pathways. There are data suggesting that ABA signalling utilizes a MAP kinase pathway, and probably ethylene and perhaps cytokinins do so also. The objective of this paper is to review this rapidly advancing field. © New Phytologist (2001).

    Original languageEnglish
    Pages (from-to)67-89
    Number of pages23
    JournalNew Phytologist
    Volume151
    Issue number1
    DOIs
    Publication statusPublished - 2001

    Fingerprint

    mitogen-activated protein kinase
    signal transduction
    abiotic stress
    cell division
    two hybrid system techniques
    pathogens
    biotic stress
    Plantae
    multigene family
    ozone
    cytosol
    protoplasts
    cytokinins
    epitopes
    plant response
    eukaryotic cells
    abscisic acid
    ethylene
    auxins
    stress response

    Keywords

    • MAP kinase
    • MEK
    • MEK kinase
    • Plant hormone signalling
    • Plant stress signalling
    • Protein phosphorylation
    • Signal transduction

    Cite this

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    title = "MAP kinase signal transduction pathways in plants",
    abstract = "The mitogen-activated protein kinase (MAP kinase) signal transduction cascades are routes through which eukaryotic cells deliver extracellular messages to the cytosol and nucleus. These signalling pathways direct cell division, cellular differentiation, metabolism, and both biotic and abiotic stress responses. In plants, MAP kinases and the upstream components of the cascades are represented by multigene families, organized into different pathways which are stimulated and interact in complex ways. Experimental strategies for the analysis of MAP kinase cascades include the yeast two-hybrid system; using this approach in vitro interactions between specific MAP kinase cascade components have been analysed and putative plant cascades postulated. Transient transformation of protoplasts with epitope-tagged kinases has allowed cascades to be tested in planta. There is clear evidence for the involvement of MAP kinases in plant cell division and in the regulation of auxin signalling. Biotic (pathogens and pathogen-derived elicitors from fungi, bacteria and viruses) and abiotic stresses including wounding, mechanical stimulation, cold, drought and ozone can elicit defence responses in plants through MAP kinase pathways. There are data suggesting that ABA signalling utilizes a MAP kinase pathway, and probably ethylene and perhaps cytokinins do so also. The objective of this paper is to review this rapidly advancing field. {\circledC} New Phytologist (2001).",
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    MAP kinase signal transduction pathways in plants. / Morris, P. C.

    In: New Phytologist, Vol. 151, No. 1, 2001, p. 67-89.

    Research output: Contribution to journalArticle

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