FEBS Letters
Volume 581, Issue 12 , Pages 2237-2246, 25 May 2007

Cyclic nucleotide-gated channels in plants

Edited by Julian Schroeder and Ulf-Ingo Flügge

  • Boaz Kaplan

      Affiliations

    • Nirit Seeds Ltd., Moshav Hadar-Ham 42935, Israel
    • These authors contributed equally to this manuscript.
    • Fax: +972 3 6406816.
    • ,
  • Tal Sherman

      Affiliations

    • Department of Plant Sciences, Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
    • These authors contributed equally to this manuscript.
    • Fax: +972 3 6406816.
    • ,
  • Hillel Fromm

      Affiliations

    • Department of Plant Sciences, Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
    • Corresponding Author InformationCorresponding author. Fax: +972 3 6406816.

Received 21 January 2007; received in revised form 8 February 2007; accepted 8 February 2007. published online 16 February 2007.

Abstract 

Until recently the role of cyclic nucleotide monophosphates (cNMPs) in plants had been controversial, with equivocal data about their concentrations, biosynthetic and degrading enzymes, and cellular targets. This review discusses the current knowledge in this field, with focus on the largest class of cNMP targets in plant cells, the cyclic nucleotide-gated channels (CNGCs). Aspects of structure and function are addressed, with reference to studies in heterologous systems and in planta. The picture emerging, albeit still fragmented, is of proteins with diverse functions in the control of ion homeostasis, development, and defense against biotic and abiotic threats.

Abbreviations: cNMP, 3′,5′-cyclic nucleotide monophosphate, CaM, calmodulin, CNGC, cyclic nucleotide-gated channel, CaMBD, CaM-binding domain, CNBD, cNMP-binding domain, HR, hypersensitive response, PR, pathogenesis related, WT, wild-type

Keywords: cAMP, cGMP, Ion channels, Signal transduction, Calmodulin, Stress

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PII: S0014-5793(07)00163-9

doi:10.1016/j.febslet.2007.02.017

FEBS Letters
Volume 581, Issue 12 , Pages 2237-2246, 25 May 2007

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