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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3-4
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pubmed:dateCreated |
1991-4-17
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pubmed:abstractText |
In Escherichia coli, the superoxide dismutase genes (sodA and sodB) sense the availability of Fe through the action of the fur locus [E. C. Niederhoffer, C. M. Naranjo, K. L. Bradley, J. A. Fee (1990) Control of Escherichia coli superoxide dismutases (sodA and sodB) genes by the ferric uptake regulation (fur) locus, J. Bacteriol. 172, 1930-1938]. Previous work from other laboratories has shown that a variety of metal chelators and of redox-active aromatic compounds can dramatically induce expression of sodA. Here we show that non-redox-active, non-metal-chelating aromatic compounds also enhance expression of a chromosomal sodA gene fusion and that these effects are strongly modulated by the Fur phenotype (Fur +/-) and by the availability of iron in the culture medium. The compounds studied were ethidium bromide, hemin, 2,2'-bipyridine, 1,10-phenantroline, 4,7-phenantroline, rhodamine B1, rhodamine 6G, and, for comparison to previous studies, Paraquat.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Ethidium,
http://linkedlifedata.com/resource/pubmed/chemical/Iron,
http://linkedlifedata.com/resource/pubmed/chemical/Paraquat,
http://linkedlifedata.com/resource/pubmed/chemical/Pentetic Acid,
http://linkedlifedata.com/resource/pubmed/chemical/Recombinant Fusion Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Superoxide Dismutase,
http://linkedlifedata.com/resource/pubmed/chemical/beta-Galactosidase
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pubmed:status |
MEDLINE
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pubmed:issn |
0933-5854
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
3
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pubmed:geneSymbol |
fur,
sodA,
sodB
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
237-41
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:2127370-Ethidium,
pubmed-meshheading:2127370-Gene Expression Regulation, Bacterial,
pubmed-meshheading:2127370-Gene Expression Regulation, Enzymologic,
pubmed-meshheading:2127370-Genes, Bacterial,
pubmed-meshheading:2127370-Iron,
pubmed-meshheading:2127370-Paraquat,
pubmed-meshheading:2127370-Pentetic Acid,
pubmed-meshheading:2127370-Recombinant Fusion Proteins,
pubmed-meshheading:2127370-Superoxide Dismutase,
pubmed-meshheading:2127370-beta-Galactosidase
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pubmed:year |
1990
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pubmed:articleTitle |
Novel effect of aromatic compounds on the iron-dependent expression of the Escherichia coli K12 manganese superoxide dismutase (sodA) gene.
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pubmed:affiliation |
Stable Isotope Resource, Los Alamos National Laboratory, NM 87545.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, U.S. Gov't, Non-P.H.S.
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