Two Sec13p Homologs, AtSec13A and AtSec13B, Redundantly Contribute to the Formation of COPII Transport Vesicles in Arabidopsis thaliana

Takeshi HINO; Yuji TANAKA; Makoto KAWAMUKAI; Kohji NISHIMURA; Shoji MANO; Tsuyoshi NAKAGAWA

doi:10.1271/bbb.110331

Biochemistry & Molecular Biology Notes

Two Sec13p Homologs, AtSec13A and AtSec13B, Redundantly Contribute to the Formation of COPII Transport Vesicles in Arabidopsis thaliana

Takeshi HINO, Yuji TANAKA, Makoto KAWAMUKAI, Kohji NISHIMURA, Shoji MANO, Tsuyoshi NAKAGAWA

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Keywords: Arabidopsis thaliana, bimolecular fluorescence complementation (BiFC), Sec13, Sec31, vesicle transport

JOURNAL FREE ACCESS

2011 Volume 75 Issue 9 Pages 1848-1852

DOI https://doi.org/10.1271/bbb.110331

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Abstract

COPII vesicles mediate protein transport from ER to Golgi. Sec13 makes up lattice structure with Sec31 to form COPII vesicles. We analyzed expression of two Arabidopsis thaliana Sec13 homologs, AtSec13A and AtSec13B. AtSec13A was expressed in most parts of seedlings, while AtSec13B was partially expressed. Interaction of AtSec13A or AtSec13B with Sec31 homolog was demonstrated by bimolecular fluorescence complementation (BiFC).

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