Publication details

Probing the subcellular compartmentation of cytokinin conjugation


KIRAN Nagavalli Subbanna DUBOVÁ Jaroslava BRZOBOHATÝ Břetislav

Year of publication 2008
Type Article in Proceedings
Conference FESPB 2008 XVI Congress of the Federation of European Societies of Plant Biology
MU Faculty or unit

Faculty of Science

Field Genetics and molecular biology
Keywords cytokinin; cytokinin-O-glucoside-conjugate; Zm-p60.1; ectopic meristem;
Description Modulation of active cytokinin levels in planta involves many metabolic conversions like biosynthesis, degradation, interconversion, and both reversible and irreversible conjugation. The subcellular compartmentation of this network determines the final level of the active hormone inside the cell. The over-expression in transgenic tobacco of Zm-p60.1, a maize beta-glucosidase capable of releasing active cytoninin from O-glucoside conjugates, leads to a disruption of zeatin metabolism and a hypersensitivity to exogenous zeatin.
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