Abstract
The aeration-dependent changes in content of various quinones in Escherichia coli were found to be unaffected by a prokaryotic translation inhibitor chloramphenicol. In addition, this process was shown to be completely intact in cells with mutated fnr, arc and appY loci. It is assumed that E. coli possesses a special system of oxygen-dependent post-transcriptional regulation of the quinone biosynthetic pathways.
Publication types
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Comparative Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Aerobiosis
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Anaerobiosis
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Chloramphenicol / pharmacology
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Cytochrome b Group
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Cytochromes / metabolism
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Electron Transport Chain Complex Proteins*
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Escherichia coli / drug effects
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Escherichia coli / growth & development
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Escherichia coli / metabolism*
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Escherichia coli Proteins*
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Genotype
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Oxidoreductases / metabolism
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Quinones / isolation & purification
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Quinones / metabolism*
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Species Specificity
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Ubiquinone / metabolism
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Vitamin K / analogs & derivatives
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Vitamin K / metabolism
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Vitamin K 2* / analogs & derivatives*
Substances
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Cytochrome b Group
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Cytochromes
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Electron Transport Chain Complex Proteins
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Escherichia coli Proteins
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Quinones
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Vitamin K 2
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Vitamin K
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Ubiquinone
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demethylmenaquinone
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Chloramphenicol
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Oxidoreductases
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cytochrome bd terminal oxidase complex, E coli