Abstract:
:Axonal transport of mitochondria is a microtubule-associated movement. Microtubule-mitochondria interactions were studied in vitro using organelles isolated from rat brain. Thanks to the ligand blotting method we were able to show two mitochondrial membrane proteins with apparent molecular masses of 30 kDa and 60 kDa that bind microtubule-associated proteins. The binding of the 30 kDa protein has an apparent Kd of 8 x 10(-8) M. Digitonin fractionation of mitochondria reveals a bimodal localization of the 30 kDa and the 60 kDa proteins within the outer membrane. The data suggest that these polypeptides could participate to the interactions observed in situ between microtubules and mitochondria.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Rendon A,Filliol D,Jancsik Vdoi
10.1016/0006-291x(87)90435-9subject
Has Abstractpub_date
1987-12-16 00:00:00pages
776-83issue
2eissn
0006-291Xissn
1090-2104pii
0006-291X(87)90435-9journal_volume
149pub_type
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