| 12882273 |
Blagoeva E, Malbeck J, Gaudinova A, Vanek T, Vankova R: Cyclin-dependent kinase inhibitor, roscovitine, in combination with exogenous cytokinin, N6-benzyladenine, causes increase of cis-cytokinins in immobilized tobacco cells. Biotechnol Lett. 2003 Mar;25(6):469-72.
Dynamics of the response of tobacco cells (line BY-2) to exogenous cytokinin, N6-benzyladenine, and cyclin-dependent kinase inhibitor, roscovitine, was followed using alginate-immobilized cells packed into a column. N6-Benzyladenine (1.25 microM) increased the synthesis of the physiologically-active endogenous cytokinin, isopentenyladenosine, in the effluent up to 0.1 nM. Simultaneously, conversion of the excess of endogenous cytokinins to biologically inactive derivatives of cis-zeatin occurred, up to 0.8 nM. Roscovitine (50 microM) further increased cis-cytokinins, up to 2.2 nM. |
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