Arabidopsis dynamin-like protein 2a (ADL2a), like ADL2b, is involved in plant mitochondrial division

被引：84

作者：

Arimura, S ^{[1
]}

Aida, GP ^{[1
]}

Fujimoto, M ^{[1
]}

Nakazono, M ^{[1
]}

Tsutsumi, N ^{[1
]}

机构：

[1] Univ Tokyo, Grad Sch Agr & Life Sci, Plant Mol Genet Lab, Bunkyo Ku, Tokyo 1138657, Japan

来源：

PLANT AND CELL PHYSIOLOGY | 2004年 / 45卷 / 02期

基金：

日本学术振兴会;

关键词：

dynamin-like protein; mitochondrial division; mitochondrial fission;

D O I：

10.1093/pcp/pch024

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The Arabidopsis genome has two similar dynamin-like proteins, ADL2a and ADL2b (76.7% identity). ADL2a is reported to be localized in chloroplasts [Kang et al. (1998) Plant Mol. Biol. 38: 437], while ADL2b functions in mitochondrial division [Arimura and Tsutsumi (2002) Proc. Natl. Acad. Sci. USA 99: 5727]. Using GFP fusion proteins, we observed both ADL2a and ADL2b in portions of mitochondria but not in chloroplasts. Furthermore, cells transformed with ADL2a and ADL2b with a defective GTPase domain had normal chloroplasts but elongated mitochondria. These results imply that both ADL2b and ADL2a are involved in the division of plant mitochondria.

引用

页码：236 / 242

页数：7

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