Abstract
A continuously growing number of genes induced by osmotic or salt stress have been described. A group of these genes defines the dehydrin family. Dehydrin genes were originally described as being expressed during late stages of embryogenesis, coinciding with the desiccation of the seed. A common characteristic among dehydrins is that they can be induced in vegetative tissue by both exogenous application of ABA and salt treatment. The are characterized by a conserved lysine-rich block (KIKEKLPG), that is predicted to form an amphipathic α-helix, and a stretch of serine residues. In spite of the extensive information about dehydrin proteins, their function(s) remain unknown, although several hypotheses have been considered. Our research is currently focused on unravelling the function of dehydrin TAS14. Toward this goal, the biochemical characterization of TAS 14 protein is being carried out. TAS14 tissue distribution and subcellular localization will be shown as well as the analysis of gus reporter gene expression driven by TAS14 promoter. The possible interaction of TAS14 with other macromolecules will be also discussed.
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© 1996 Springer-Verlag Berlin Heidelberg
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Godoy, J.A., Luna, R., de Mar Parra, M., del Pozo, O., Pintor-Toro, J.A. (1996). In Search of a Function for Dehydrin TAS14. In: Grillo, S., Leone, A. (eds) Physical Stresses in Plants. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-61175-9_9
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DOI: https://doi.org/10.1007/978-3-642-61175-9_9
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