Mitogen-activated protein kinase (MAPK) cascades, which consist of three functionally associated protein kinases, namely MEKKs, MKKs and MPKs, are universal signaling modules in all eukaryotes and have been shown to play critical roles in many physiological and biochemical processes in plants. | Nội dung Text Characterization expression patterns and functional analysis of the MAPK and MAPKK genes in watermelon Citrullus lanatus