Minor modifications and major adaptations: The evolution of molecular machines driving mitochondrial protein import
نویسندگان
چکیده
منابع مشابه
Evolution of the molecular machines for protein import into mitochondria.
In creating mitochondria some 2 billion years ago, the first eukaryotes needed to establish protein import machinery in the membranes of what was a bacterial endosymbiont. Some of the preexisting protein translocation apparatus of the endosymbiont appears to have been commandeered, including molecular chaperones, the signal peptidase, and some components of the protein-targeting machinery. Howe...
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We previously demonstrated that subsarcolemmal (SS) and intermyofibrillar (IMF) mitochondrial subfractions import proteins at different rates. This study was undertaken to investigate 1) whether protein import is altered by chronic contractile activity, which induces mitochondrial biogenesis, and 2) whether these two subfractions adapt similarly. Using electrical stimulation (10 Hz, 3 h/day for...
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15 صفحه اولAdaptations required for mitochondrial import following mitochondrial to nucleus gene transfer of ribosomal protein S10.
The minimal requirements to support protein import into mitochondria were investigated in the context of the phenomenon of ongoing gene transfer from the mitochondrion to the nucleus in plants. Ribosomal protein 10 of the small subunit is encoded in the mitochondrion in soybean and many other angiosperms, whereas in several other species it is nuclear encoded and thus must be imported into the ...
متن کاملThe mitochondrial protein import apparatus.
INTRODUCTION ..................................................................................... 331 THE PRECURSOR PROTEINS .................................................................... 332 Targeting Signals ................................................................................. 332 Translocation Competence ........................................................................
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ژورنال
عنوان ژورنال: Biochimica et Biophysica Acta (BBA) - Biomembranes
سال: 2011
ISSN: 0005-2736
DOI: 10.1016/j.bbamem.2010.07.019