Aggregation of proteins having Golgi apparatus sorting determinant induces large globular structures derived from the endoplasmic reticulum in plant seed cells

FEBS Letters
Nobuyuki MaruyamaShigeru Utsumi

Abstract

Endoplasmic reticulum (ER)-derived compartments are found in many plant species. Although it has been assumed that aggregation induces formation of the ER-derived compartments in plant seed cells, the effect of aggregation on the trafficking from the ER to the Golgi has not yet been elucidated. In this study, we used an aggregated type of red fluorescent protein (DsRED) to investigate the effect of aggregation on sorting in seed cells. DsRED fused to the Golgi sorting determinant was found mainly in large globular structures derived from the ER where ER-resident proteins were excluded. These results indicate that aggregation of the Golgi protein blocks transport from the ER to the Golgi.

References

Jul 17, 2001·Current Opinion in Cell Biology·B Antonny, R Schekman
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Jun 13, 2002·Proceedings of the National Academy of Sciences of the United States of America·Robert E CampbellRoger Y Tsien
Nov 13, 2002·Plant Physiology·Andreas NebenführDavid G Robinson
Feb 13, 2003·The Plant Journal : for Cell and Molecular Biology·Ryo MatsushimaIkuko Hara-Nishimura
Jun 6, 2003·The Plant Journal : for Cell and Molecular Biology·Keito NishizawaShigeru Utsumi
Sep 16, 2003·Molecular Biology of the Cell·Claudio G Giraudo, Hugo J F Maccioni
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Nov 18, 2004·The Plant Journal : for Cell and Molecular Biology·Takashi UedaAkihiko Nakano
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Apr 18, 2006·The Plant Cell·Nobuyuki MaruyamaShigeru Utsumi
Jun 20, 2006·Trends in Plant Science·Sally L HantonFederica Brandizzi

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