Related Experiment Video
Updated: Apr 27, 2026
09:23
Lateral Root Inducible System in Arabidopsis and Maize
Published on: January 14, 2016
13.5K
Comprehensive structural, interaction and expression analysis of CBL and CIPK complement during abiotic stresses and
Poonam Kanwar1, Sibaji K Sanyal1, Indu Tokas1
1Department of Plant Molecular Biology, University of Delhi South Campus, Benito Juarez Road, Dhaula Kuan, New Delhi 110021, India.
Cell Calcium
|June 28, 2014
Summary
Rice calcineurin B-like proteins (CBLs) and CBL-interacting protein kinases (CIPKs) are crucial for plant stress response and development. Gene duplication and functional equivalence with Arabidopsis suggest complex signaling networks in rice.
Area of Science:
- Plant Molecular Biology
- Plant Signaling Pathways
- Genomics and Bioinformatics
Background:
- Calcium ions act as essential signaling messengers in plant physiological and developmental pathways.
- Calcineurin B-like proteins (CBLs) function as calcium sensors, interacting with CBL-interacting protein kinases (CIPKs) to form critical signaling modules.
- The CBL-CIPK network mediates stimulus-response coupling, particularly during environmental stresses.
Purpose of the Study:
- To investigate the expression patterns of rice CBL and CIPK genes under abiotic stress (salt, cold, drought) and during various developmental stages.
- To analyze the chromosomal localization and duplication events of rice CBL and CIPK genes.
- To explore the functional interactions between rice CBLs and CIPKs, comparing them with their Arabidopsis counterparts.
Main Methods:
- Microarray expression data analysis of rice CBL and CIPK genes under abiotic stress and developmental conditions.
- Bioinformatic analysis of chromosomal localization and gene duplication events (tandem and segmental) for rice CBL and CIPK families.
- Protein interaction studies using rice CBLs (specifically SOS3/CBL4 related genes) and both rice and Arabidopsis CIPKs.
Main Results:
- Rice CBL and CIPK gene expression is significantly altered by abiotic stresses and developmental stages, indicating roles beyond stress response.
- CIPK genes in rice have undergone extensive tandem and segmental duplications, leading to variable expression patterns and functional diversification.
- Rice CBLs and CIPKs exhibit structural similarity and functional equivalence to Arabidopsis CBLs and CIPKs, as demonstrated by conserved interaction patterns.
Conclusions:
- The CBL-CIPK signaling pathway in rice plays a vital role in both abiotic stress adaptation and plant development.
- Gene duplication has been a key mechanism driving the expansion and functional diversification of the CIPK gene family in rice.
- Conserved structural and functional relationships between rice and Arabidopsis CBL-CIPK interactions highlight the evolutionary importance of this signaling module in plants.
Related Concept Videos
01:25Cell Signaling in Plants
4.5K
Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...
4.5K
02:41Responses to Drought and Flooding
10.2K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
10.2K