作者: Isabel Murillo , Estelle Jaeck , M José Cordero , Blanca San Segundo
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摘要: Plants respond to pathogen infection with the activation of expression pathogenesis-related genes, a response that involves Ca2+-regulated protein phosphorylation processes. We report here isolation full-length complementary DNA encoding calcium-dependent kinase (CPK) gene from maize. CPK genes occur in maize as members multigene family, but only one specific gene, ZmCPK10 described, is transcriptionally activated both fungal and treatment elicitors. Activation extremely rapid. transcripts could be detected 5 min after elicitation reached maximum levels at 30 treatment. Afterwards, there was decline level followed by basal accumulation which maintained over time period elicitor The this accompanied an increase PRms mRNA, being whose induced tissues In situ mRNA hybridization analysis revealed remarkable cell-type pattern during growth development elicitor-treated or fungus-infected seedling. Moreover, expressed those cell types also expressed. involvement elicitor-induced signal transduction pathway leading discussed.