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Cytokinin metabolism in tobacco
Using LC/MS/MS, Lexa et al. (pp. 585-597) measure 22 cytokinin metabolites in tobacco seedlings fed isopentenyladenine, zeatin and dihydrozeatin riboside. A mathematical model of cytokinin interconversions in plants gives a close match between simulated and observed dynamics of endogenous cytokinins. Performance of the model is improved by applying a series of iterative parameter changes based on the experimental results.
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