The CBL-CIPK network mediates different signaling pathways in plants
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Published on: March 20, 2016
Qinyang Yu1, Lijia An, Wenli Li
1School of Life Science and Biotechnology, Dalian University of Technology, Linggong Road No. 2, Dalian, Liaoning, China, qinyangyu@gmail.com.
Abstract:
The calcineurin B-like protein-CBL-interacting protein kinase (CBL-CIPK) signaling pathway in plants is a Ca²⁺-related pathway that responds strongly to both abiotic and biotic environmental stimuli. The CBL-CIPK system shows variety, specificity, and complexity in response to different stresses, and the CBL-CIPK signaling pathway is regulated by complex mechanisms in plant cells. As a plant-specific Ca²⁺ sensor relaying pathway, the CBL-CIPK pathway has some crosstalk with other signaling pathways. In addition, research has shown that there is crosstalk between the CBL-CIPK pathway and the low-K⁺ response pathway, the ABA signaling pathway, the nitrate sensing and signaling pathway, and others. In this paper, we summarize and review research discoveries on the CBL-CIPK network. We focus on the different modification and regulation mechanisms (phosphorylation and dephosphorylation, dual lipid modification) of the CBL-CIPK network, the expression patterns and functions of CBL-CIPK network genes, the responses of this network to abiotic stresses, and its crosstalk with other signaling pathways. We also discuss the technical research methods used to analyze the CBL-CIPK network and some of its newly discovered functions in plants.
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