Research reveals cold stress negatively impacts grapevine cold tolerance via VpCPK9 and VpRBOHD phosphorylation, suggesting candidate genes for improvement.
Key Points
This research aims to clarify the role of VpCPK9 and VpRBOHD in grapevine cold tolerance.
Evaluated the interaction between VpCPK9 and VpRBOHD under cold stress conditions.
Assessed the phosphorylation sites of VpRBOHD by VpCPK9.
Analyzed the impact of ROS production on cold tolerance in grapevine.
VpCPK9 negatively regulates cold tolerance in grapevine through its interaction with VpRBOHD.
Phosphorylation of VpRBOHD enhances its stability and ROS production.
Cold stress induces reduced cold tolerance due to the VpCPK9-VpRBOHD module.