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

被引：83
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.
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收藏
页码：236 / 242
页数：7
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