An Arabidopsis protein that interacts with the cytokinin-inducible response regulator, ARR4, implicated in the His-Asp phosphorylay signal transduction.

Previously, Arabidopsis thaliana was shown to possess a set of response regulators (ARR-series), which are implicated in the prokaryotic type of signal transduction mechanism, generally referred to as the His-Asp phosphorylay. Among them, ARR4 is a typical phospho-accepting response regulator, whose expression was recently demonstrated to be rapidly induced by ...
a cytokinin-treatment of the plant. To gain insight into the presumed His-Asp phosphotransfer signaling mechanism as well as the role of ARR4 in this higher plant, in this study we adopt the widely used yeast two-hybrid system, and report the identification of an Arabidopsis protein that has an ability to interact physically with the cytokinin-inducible ARR4 response regulator.
Mesh Terms:
Amino Acid Sequence, Arabidopsis, Arabidopsis Proteins, Aspartic Acid, Cloning, Molecular, DNA-Binding Proteins, Histidine, Hybrid Cells, Molecular Sequence Data, Phosphorylation, Plant Proteins, Recombinant Proteins, Sequence Homology, Amino Acid, Signal Transduction, Substrate Specificity, Yeasts
FEBS Lett.
Date: Sep. 25, 1998
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