Thylakoid Membrane Protein Kinase Activity as a Signal Transduction Pathway in Chloroplasts |
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Authors: | AN Misra AK Biswal |
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Institution: | (1) Department of Botany, Utkal University, Bhubaneswar, 751004, India;(2) Department of Botany, Utkal University, Bhubaneswar, 751004, India |
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Abstract: | In plants external stimuli are perceived through a cascade of signals and signal transduction pathways. Protein phosphorylation
and de-phosphorylation is one of the most important transduction paths for the perception of signals in plants. The highest
concentrations of plant phospho-proteins are located in chloroplasts. This facilitates the protection of thylakoid membranes
from stress-induced damage and augments adaptive strategies in plants. In this review, the protein kinases associated with
phosphorylation of thylakoid membrane protein, and the adaptive changes in thylakoid membrane architecture and developmental
cues are given. The presence of membrane bound kinases in thylakoid membranes have evolutionary implications for the signal
transduction pathways and the photosynthetic gene expression for thylakoid membrane protein dynamics.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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Keywords: | D1 protein evolution gene expression light-harvesting complex 2 phosphorylation photosystems |
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