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Plant Signal Behav


Title:Multiple calmodulin-like proteins in Arabidopsis are induced by insect-derived (Spodoptera littoralis) oral secretion
Author(s):Vadassery J; Scholz SS; Mithofer A;
Address:"Bioorganische Chemie, Max-Planck-Institut fur Chemische Okologie, Jena, Germany"
Journal Title:Plant Signal Behav
Year:2012
Volume:20120820
Issue:10
Page Number:1277 - 1280
DOI: 10.4161/psb.21664
ISSN/ISBN:1559-2324 (Electronic) 1559-2316 (Print) 1559-2316 (Linking)
Abstract:"In plant cells, diverse environmental changes often induce transient elevation in the intracellular calcium concentrations, which are involved in signaling pathways leading to the respective cellular reactions. Therefore, these calcium elevations need to be deciphered into specific downstream responses. Calmodulin-like-proteins (CMLs) are calcium-sensing proteins present only in higher plants. They are involved in signaling processes induced by both abiotic as well as biotic stress factors. However, the role of CMLs in the interaction of plants with herbivorous insects is almost unknown. Here we show that in Arabidopsis thaliana a number of CMLs genes (CML9, 11,12,16,17 and 23) are upregulated due to treatments with oral secretion of larvae of the herbivorous insect Spodoptera littoralis. We identified that these genes belong to two groups that respond with different kinetics to the treatment with oral secretion. Our data indicate that signaling networks involving multiple CMLs very likely have important functions in plant defense against insect herbivores, in addition to their involvement in many other stress-induced processes in plants"
Keywords:"Animals Arabidopsis/genetics/*metabolism Arabidopsis Proteins/genetics/*metabolism Calmodulin/genetics/*metabolism Gene Expression Regulation, Plant Herbivory/*physiology Plant Leaves/genetics RNA, Messenger/genetics/metabolism Spodoptera/*physiology;"
Notes:"MedlineVadassery, Jyothilakshmi Scholz, Sandra S Mithofer, Axel eng Research Support, Non-U.S. Gov't 2012/08/21 Plant Signal Behav. 2012 Oct 1; 7(10):1277-80. doi: 10.4161/psb.21664. Epub 2012 Aug 20"

 
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