Comparison of salinity and drought stress effects on abscisic acid metabolites activity of cytokinin oxidase/dehydrogenase and chlorophyll levels in radish audtabacco

Radomira Vankova, Alena Gaudinova, Petre Dobrev, Jiri Malbeck, Daniel Haisel, Vaclav Motyka

DOI: http://dx.doi.org/10.12775/v10090-011-0028-1

Abstract


Stronger negative impact of salinity (100 mM NaCl for 4 days) on radish plants in comparison with tobacco ones, correlated with more profound decrease of bioactive cytokinins and higher elevation of activity of the main cytokinin degrading enzyme cytokinin oxidase/dehydrogenase and abscisic acid in the former species.

Keywords


abscisic acid; cytokinin; radish; salinity; tobacco

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References


Dobrev P. I. & Kaminek M., 2002, Fast and efficient separation of cytokinins from auxin and abscisic acid and their purification using mixed-mode solid-phase extraction, J. Chrom. A. 950: 21-9.

Dobrev P. I., Motyka V., Gaudinova A., Malbeck J., Travnickova A., Kaminek M. & Vankova R., 2002, Transient accumulation of cis- and trans-zeatin type cytokinins and its relation to cytokinin oxidase activity during cell cycle of synchronized tobacco BY-2 cells, Plant Physiol. Bioch. 40: 333-337.

Dobrev P. I., Havlicek L., Vagner M., Malbeck J. & Kaminek M., 2005, Purification and determination of plant hormones auxin and abscisic acid using solid phase extraction and two-dimensional high performance liquid chromatography. J. Chrom. A. 1075: 159-66.

Motyka V., Vankova R., Capkova V., Petrasek J., Kaminek M. & Schmülling T., 2003, Cytokinin-induced up-regulation of cytokinin oxidase activity in tobacco includes changes in enzyme glycosylation and secretion, Physiol. Plant. 117: 11-21.




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