Exit of proteins and fragments thereof from mitochondria is accelerated by the import of cytosolic synthesized proteins (original) (raw)

RNA Metabolism in Mitochondria

Nucleic Acids and Molecular Biology, 2018

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Determination of some mitochondrial RNAs concentration in adult rat liver

Biochemical and Biophysical Research Communications, 1984

A method has been developed to accurately measure steady state concentrations of mitochondrial transcripts in adult rat liver. Total mitochondrial RNA has been hybridized with an excess of labelled mitochondrial DNA fragments coding for a single gene or a piece of it. The results obtained show that each mitochondrion contains 36 molecules of 165 rRNA, 81 of 125 rRNA and about 8 molecules of mRNAs coding for identified and unidentified reading frames. Thus, the rRNA/mRNA ratio in rat liver differs from that reported in HeLa cell mitochondria. These results are discussed in the light of mitochondrial DWA transcription regulation.