Abstract
External physical and chemical stimuli are transduced via second messengers, following primary interaction with specific membrane or soluble receptors. Ca2+ is an important second messenger in plants as in other eukaryotes, mediating responses to numerous environmental stimuli and affecting a multitude of cellular processes including gene expression. However, there is yet very little information concerning the cis-elements that mediate Ca2+-responsive gene expression. In this article we discuss a recent investigation combining bioinformatics with experimental data, revealing DNA regulatory elements that convey specific cytosolic Ca2+ transients to the transcription machinery.
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