A soluble acid invertase is directed to the vacuole by a signal anchor mechanism

Copyright © 2010 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 168(2011), 9 vom: 15. Juni, Seite 983-9
1. Verfasser: Rae, Anne L (VerfasserIn)
Weitere Verfasser: Casu, Rosanne E, Perroux, Jai M, Jackson, Mark A, Grof, Christopher P L
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Hexoses Membrane Proteins Plant Proteins Sucrose 57-50-1 beta-Fructofuranosidase EC 3.2.1.26
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520 |a Enzyme activities in the vacuole have an important impact on the net concentration of sucrose. In sugarcane (Saccharum hybrid), immunolabelling demonstrated that a soluble acid invertase (β-fructofuranosidase; EC 3.2.1.26) is present in the vacuole of storage parenchyma cells during sucrose accumulation. Examination of sequences from sugarcane, barley and rice showed that the N-terminus of the invertase sequence contains a signal anchor and a tyrosine motif, characteristic of single-pass membrane proteins destined for lysosomal compartments. The N-terminal peptide from the barley invertase was shown to be capable of directing the green fluorescent protein to the vacuole in sugarcane cells. The results suggest that soluble acid invertase is sorted to the vacuole in a membrane-bound form 
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700 1 |a Perroux, Jai M  |e verfasserin  |4 aut 
700 1 |a Jackson, Mark A  |e verfasserin  |4 aut 
700 1 |a Grof, Christopher P L  |e verfasserin  |4 aut 
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