Journal
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
Volume 400, Issue 4, Pages 455-460Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2010.08.134
Keywords
Calcium signaling; Ca(2+)-dependent protein kinase (CPK); Herbivory; Plant defense response
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Funding
- Kyoto University
- Ministry of Education, Culture, Sports, Science, and Technology of Japan [21770042]
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Plant Ca(2+) signals are involved in a sizable array of intracellular signaling pathways after pest invasion. Upon herbivore feeding there is a dramatic Ca(2+) influx, followed by the activation of Ca(2+)-dependent signal transduction pathways that include interacting downstream networks of kinases for defense responses. Notably, Ca(2+)-binding sensory proteins such as Ca(2+)-dependent protein kinases (CPKs) have recently been documented to mediate the signaling following Ca(2+) influx after herbivory, in phytohormone-independent manners. Here, we review the sequence of signal transductions triggered by herbivory-evoked Ca(2+) signaling leading to CPK actions for defense responses, and discuss in a comparative way the involvement of CPKs in the signal transduction of a variety of other biotic and abiotic stresses. (C) 2010 Elsevier Inc. All rights reserved.
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