A calcium-independent CDPK positively regulates drought resistance in maize by modulating the ABA signaling pathway.
Calcium-dependent protein kinases (CDPKs/CPKs) play crucial roles in plant responses to drought stress. In this study, we reveal that ZmCPK1, an atypical CDPK whose kinase activity is calcium-independent, acts as a positive regulator of drought resistance in maize. ZmCPK1 is a constitutively active kinase interacting w...