Related Experiment Video
Updated: Oct 5, 2025

Genome-wide Protein-protein Interaction Screening by Protein-fragment Complementation Assay PCA in Living Cells
Published on: March 3, 2015
Visualization of a curated Oryza sativa L. CDPKs Protein-Protein Interaction Network (CDPK-OsPPIN)
Joana Marques1, Cleverson C Matiolli1, Isabel A Abreu1
1Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa (ITQB NOVA), Avenida da República, 2780-157 Oeiras, Portugal.
Abstract:
Calcium-Dependent Protein Kinases (CDPKs) translate calcium ion (Ca2+) signals into direct phosphorylation of proteins involved in stress response and plant growth. To get a clear picture of CDPKs functions, we must identify and explore the CDPKs targets and their respective roles in plant physiology. Here, we present a manually curated Oryza sativa L. CDPK Protein-Protein Interaction Network (CDPK-OsPPIN). The CDPK-OsPPIN provides an interactive graphical tool to assist hypothesis generation by researchers investigating CDPK roles and functional diversity.
Insights
Calcium-Dependent Protein Kinases (CDPKs) regulate plant growth and stress responses by phosphorylating proteins. This study introduces the Oryza sativa CDPK Protein-Protein Interaction Network (CDPK-OsPPIN) to explore CDPK functions and targets.
Area of Science:
- Plant Biology
- Molecular Biology
- Biochemistry
Background:
- Calcium-Dependent Protein Kinases (CDPKs) are crucial regulators of plant physiology, mediating calcium ion (Ca²⁺) signals.
- Understanding CDPK functions requires identifying their protein targets and roles in plant growth and stress responses.
Purpose of the Study:
- To present a manually curated Protein-Protein Interaction Network for CDPKs in *Oryza sativa* (rice).
- To provide a tool for researchers to investigate CDPKs' roles and functional diversity.
Main Methods:
- Manual curation of protein-protein interaction data for *Oryza sativa* CDPKs.
- Development of an interactive graphical network visualization tool (CDPK-OsPPIN).
Main Results:
- The CDPK-OsPPIN database has been established.
- The network facilitates the exploration of CDPK interactions and potential functions.
Conclusions:
- The CDPK-OsPPIN serves as a valuable resource for plant scientists.
- This network aids in generating hypotheses regarding CDPKs' involvement in plant stress and growth.
More Related Videos
Related Concept Videos
Protein Networks
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Protein-protein Interfaces
Covalently Linked Protein Regulators
These groups modify specific amino acids in a protein....
Protein-Protein Interfaces
Protein Complexes with Interchangeable Parts
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order...
Protein Complex Assembly

