Probing the subcellular compartmentation of cytokinin conjugation

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Authors	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
Citation
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.
Related projects:	Regulation of morphogenesis of plant cells and organs