ADP-glucose pyrophosphorylase is localized to both the cytoplasm and plastids in developing pericarp of tomato fruit

Plant Physiology
B Y ChenH W Janes

Abstract

The intracellular location of ADP-glucose pyrophosphorylase (AGP) in developing pericarp of tomato (Lycopersicon esculentum Mill) has been investigated by immunolocalization. With the use of a highly specific anti-tomato fruit AGP antibody, the enzyme was localized in cytoplasm as well as plastids at both the light and electron microscope levels. The immunogold particles in plastids were localized in the stroma and at the surface of the starch granule, whereas those in the cytoplasm occurred in cluster-like patterns. Contrary to the fruit, the labeling in tomato leaf cells occurred exclusively in the chloroplasts. These data demonstrate that AGP is localized to both the cytoplasm and plastids in developing pericarp cells of tomato.

References

Jan 15, 1989·European Journal of Biochemistry·G Pettersson, U Ryde-Pettersson
Mar 10, 1995·Molecular & General Genetics : MGG·U La CognataB Müller-Röber
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Citations

Dec 22, 1999·Biochimica Et Biophysica Acta·L A Kleczkowski
Aug 9, 2002·Trends in Plant Science·Karsten Fischer, Andreas Weber
Oct 3, 2012·PloS One·Kate Crosby, David Roy Smith

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