Antibiotic susceptibility of mammalian mitochondrial translation

All medically useful antibiotics should have the potential to distinguish between target microbes (bacteria) and host cells. Although many antibiotics that target bacterial protein synthesis show little effect on the translation machinery of the eukaryotic cytoplasm, it is unclear whether these anti...

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Veröffentlicht in:FEBS letters 2005-11, Vol.579 (28), p.6423-6427
Hauptverfasser: Zhang, Li, Ging, Ng Ching, Komoda, Taeko, Hanada, Takao, Suzuki, Tsutomu, Watanabe, Kimitsuna
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container_end_page 6427
container_issue 28
container_start_page 6423
container_title FEBS letters
container_volume 579
creator Zhang, Li
Ging, Ng Ching
Komoda, Taeko
Hanada, Takao
Suzuki, Tsutomu
Watanabe, Kimitsuna
description All medically useful antibiotics should have the potential to distinguish between target microbes (bacteria) and host cells. Although many antibiotics that target bacterial protein synthesis show little effect on the translation machinery of the eukaryotic cytoplasm, it is unclear whether these antibiotics target or not the mitochondrial translation machinery. We employed an in vitro translation system from bovine mitochondria, which consists of mitochondrial ribosomes and mitochondrial elongation factors, to estimate the effect of antibiotics on mitichondrial protein synthesis. Tetracycline and thiostrepton showed similar inhibitory effects on both Escherichia coli and mitochondrial protein synthesis. The mitochondrial system was more resistant to tiamulin, macrolides, virginiamycin, fusidic acid and kirromycin than the E. coli system. The present results, taken together with atomic structure of the ribosome, may provide useful information for the rational design of new antibiotics having less adverse effects in humans and animals.
doi_str_mv 10.1016/j.febslet.2005.09.103
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subjects Animals
Anti-Bacterial Agents - pharmacology
Antibiotics
Cattle
Drug Resistance, Bacterial
E. coli
Escherichia coli
Escherichia coli - drug effects
Escherichia coli - genetics
Mitochondria
Mitochondria - drug effects
Mitochondria - metabolism
Peptide Elongation Factors - drug effects
Protein Biosynthesis - drug effects
Protein synthesis
Ribosome
Ribosomes - drug effects
title Antibiotic susceptibility of mammalian mitochondrial translation
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