A Guanine Nucleotide Exchange Factor for Rab5 Proteins Is Essential for Intracellular Transport of the Proglutelin from the Golgi Apparatus to the Protein Storage Vacuole in Rice Endosperm
2013
Fukuda, Masako | Wen, Liuying | Satoh-Cruz, Mio | Kawagoe, Yasushi | Nagamura, Yoshiaki | Okita, Thomas W. | Washida, Haruhiko | Sugino, Aya | Ishino, Sonoko | Ishino, Yoshizumi | Ogawa, Masahiro | Sunada, Mariko | Ueda, Takashi | Kumamaru, Toshihiro
GLUP6/GEF is the activator of Rab5 GTPase, and the cycling of GTP- and GDP-bound forms of this regulatory protein is essential for the intracellular transport of proglutelin and α-globulin from the Golgi to PSV and in the maintenance of the general structural organization of the endomembrane system in rice seeds.
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