Chapter title |
BiFC Assay to Detect Calmodulin Binding to Plant Receptor Kinases
|
---|---|
Chapter number | 14 |
Book title |
Plant Receptor Kinases
|
Published in |
Methods in molecular biology, January 2017
|
DOI | 10.1007/978-1-4939-7063-6_14 |
Pubmed ID | |
Book ISBNs |
978-1-4939-7062-9, 978-1-4939-7063-6
|
Authors |
Cornelia Fischer, Margret Sauter, Petra Dietrich, Fischer, Cornelia, Sauter, Margret, Dietrich, Petra |
Abstract |
Plant receptor-like kinases (RLKs) are regulated at various levels including posttranscriptional modification and interaction with regulatory proteins. Calmodulin (CaM) is a calcium-sensing protein that was shown to bind to some RLKs such as the PHYTOSULFOKINE RECEPTOR1 (PSKR1). The CaM-binding site is embedded in subdomain VIa of the kinase domain. It is possible that many more of RLKs interact with CaM than previously described. To unequivocally confirm CaM binding, several methods exist. Bimolecular fluorescence complementation (BiFC) and pull-down assays have been successfully used to study CaM binding to PSKR1 and are described in this chapter (BiFC) and in Chapter 15 (pull down). The two methods are complementary. BiFC is useful to show localization and interaction of soluble as well as of membrane-bound proteins in planta. |
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