Plant Protein Kinases in Signal Transduction: A Synoptic Review

Abstract

Author(s): Nazir Ahmad Malla and Mudasir Bashir

A protein kinase is a enzyme that modifies other proteins by adding phosphate groups to them. This results in a functional change of the target protein by changing enzyme activity, cellular location, or association with other proteins. Cells can interact to environmental fluctuations by transduction of extracellular signals, to produce intracellular responses. Membrane-impermeable signal molecules are recognized by receptors, which are localized on the plasma membrane of the cell. Binding of a ligand can result in the stimulation of an intrinsic enzymatic activity of its receptor or the modulation of a transducing protein. This review discusses the various protein kinases and their role in plants.

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