Journal
FEBS LETTERS
Volume 581, Issue 12, Pages 2237-2246Publisher
WILEY
DOI: 10.1016/j.febslet.2007.02.017
Keywords
cAMP; cGMP; ion channels; signal transduction; calmodulin; stress
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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. (c) 2007 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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