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- Title
Arabidopsis Dynamin-Like Protein 2a (ADL2a), Like ADL2b, is Involved in Plant Mitochondrial Division.
- Authors
Arimura, Shin-ichi; Aida, Gen Paul; Fujimoto, Masaru; Nakazono, Mikio; Tsutsumi, Nobuhiro
- Abstract
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.
- Subjects
ARABIDOPSIS; GENOMES; CHLOROPLASTS; PLANT mitochondria; CELL division; PROTEIN research
- Publication
Plant & Cell Physiology, 2004, Vol 45, Issue 2, p236
- ISSN
0032-0781
- Publication type
Article
- DOI
10.1093/pcp/pch024