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- Author or Editor: Mangalathau S. Rajeevan x
Signal transduction plays a crucial role in an organism's response to its environment. Developmental processes like flowering in photoperiodically sensitive plants must employ some form of signal communication to effect this response. Protein kinases occupy an intermediate position in signal transduction pathways between signal perception and the final metabolic effect produced. Their importance is underscored by the fact that genes encoding protein kinases have been highly conserved during evolution. Over 30 independent clones were obtained by screening a genomic bank from morning glory DNA with a probe derived from a gene encoding a maize protein kinase. Selected clones were digested with SacI and the resulting DNA fragments transferred to filters for hybridization with the maize probe. The results indicate that these genes represent a small family comprised of approximately 5 members based on the hybridization conditions employed for their isolation.