Two cytokinin receptors of Arabidopsis thaliana, CRE1/AHK4 and AHK3, differ in their ligand specificity in a bacterial assay.

@article{Spchal2004TwoCR,
  title={Two cytokinin receptors of Arabidopsis thaliana, CRE1/AHK4 and AHK3, differ in their ligand specificity in a bacterial assay.},
  author={Luk{\'a}{\vs} Sp{\'i}chal and Natalia Yu Rakova and Michael Riefler and Takeshi Mizuno and Georgy A Romanov and Miroslav Strnad and Thomas Schm{\"u}lling},
  journal={Plant & cell physiology},
  year={2004},
  volume={45 9},
  pages={1299-305}
}
Strains of Escherichia coli that express two different cytokinin receptors of Arabidopsis thaliana, CRE1/AHK4 and AHK3, were used to study the relative sensitivity of these receptors to various cytokinins. Both receptors were most sensitive to the bases of the isoprenoid-type cytokinins trans-zeatin and isopentenyladenine but differed significantly in the recognition of other cytokinin compounds. In particular, CRE1/AHK4 recognized at 1 microm concentration only trans-zeatin while AHK3… CONTINUE READING

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