Arabidopsis Dynamin-Like Protein 2a (ADL2a), Like ADL2b, is Involved in Plant Mitochondrial Division | Zendy

Shinichi Arimura | Zendy; Gen Paul Aida | Zendy; Masaru Fujimoto | Zendy; Mikio Nakazono | Zendy; Nobuhiro Tsutsumi | Zendy

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Arabidopsis Dynamin-Like Protein 2a (ADL2a), Like ADL2b, is Involved in Plant Mitochondrial Division

Author(s) -

Shinichi Arimura,

Gen Paul Aida,

Masaru Fujimoto,

Mikio Nakazono,

Nobuhiro Tsutsumi

Publication year - 2004

Publication title -

plant and cell physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.975

H-Index - 152

eISSN - 1471-9053

pISSN - 0032-0781

DOI - 10.1093/pcp/pch024

Subject(s) - chloroplast , arabidopsis , dynamin , gtpase , mitochondrion , microbiology and biotechnology , biology , mitochondrial fusion , cell division , arabidopsis thaliana , mitochondrial dna , gene , genetics , cell , endocytosis , mutant

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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