Abstract:
:Tom40 is an integral protein of the mitochondrial outer membrane, which as the central component of the Translocase of the Outer Membrane (TOM) complex forms a channel for protein import. We characterize the diffusion properties of individual Tom40 molecules fused to the photoconvertable fluorescent protein Dendra2 with millisecond temporal resolution. By imaging individual Tom40 molecules in intact isolated yeast mitochondria using photoactivated localization microscopy with sub-diffraction limited spatial precision, we demonstrate that Tom40 movement in the outer mitochondrial membrane is highly dynamic but confined in nature, suggesting anchoring of the TOM complex as a whole.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Kuzmenko A,Tankov S,English BP,Tarassov I,Tenson T,Kamenski P,Elf J,Hauryliuk Vdoi
10.1038/srep00195subject
Has Abstractpub_date
2011-01-01 00:00:00pages
195issn
2045-2322journal_volume
1pub_type
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