The functional role of 14-3-3 proteins in plant-stress interactions

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Keywords:
biotic stress, abiotic stress, phosphorylation, signal transduction

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Caroline K. Keller
Department of Crop Sciences, University of Illinois, Urbana, IL 61801
Osman Radwan
Department of Natural Resources & Environmental Sciences, University of Illinois, Urbana, IL 61801

Abstract

14-3-3 proteins are important components in signal transduction pathways affecting multiple plant functions by mediating protein-protein interactions through post-translational modification via phosphorylation. Homodimers or heterodimers of 14-3-3 proteins bind to other proteins inducing site-specific targeting and alteration of the conformation of client proteins, which is an essential regulatory element for plant function and response. This protein family is involved in a wide range of cellular functions including the regulation of hormonal induction in response to stress stimuli, mediation of symbiotic relationships between the plant host and symbionts, as well as the mediation of functions between cellular components and enzymes. Identification of the function and mechanism of 14-3-3 proteins in plants offers insight into how crops can be made more efficient via the manipulation of these proteins.

Article Details

Issue
Vol. 1 No. 2 (2015): Undergraduate Research Reports
Section
Research Articles

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