Evidence map›Paper›PMID 12813074›Full record

ArticleJournal of bacteriology2003

Molecular analysis of the copper-transporting efflux system CusCFBA of Escherichia coli.

Sylvia Franke, Gregor Grass, Christopher Rensing, Dietrich H Nies

Abstract read
In one paragraph

Article in Journal of bacteriology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 247 papers.

0numbers the graph read from it
0cells of the map it votes in
247citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

247 citing papers in PubMed.

  1. Trial
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  4. AccA fromChemical science · 2026
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  9. Dual regulation ofmicroLife · 2026
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187 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Sylvia FrankeMolekulare Mikrobiologie, Institut für Mikrobiologie, Martin-Luther-Universität Halle-Wittenberg, 06099 Halle, Germany.
Gregor Grass
Christopher Rensing
Dietrich H Nies

Funding

TRANSPORT OF TRACE METALS IN A POLLUTED AQUIFERP42ES004940 · NIEHS · UNIVERSITY OF ARIZONA · PI Jon D Chorover · 1990 to 2026
$68.1M
NIEHS NIH HHS ES-04940NIEHS NIH HHS P42 ES004940
6 · The paper itself

Abstract

The cus determinant of Escherichia coli encodes the CusCFBA proteins that mediate resistance to copper and silver by cation efflux. CusA and CusB were essential for copper resistance, and CusC and CusF were required for full resistance. Replacements of methionine residues 573, 623, and 672 with isoleucine in CusA resulted in loss of copper resistance, demonstrating their functional importance. Substitutions for several other methionine residues of this protein did not have any effect. The small 10-kDa protein CusF (previously YlcC) was shown to be a periplasmic protein. CusF bound one copper per polypeptide. The pink CusF copper protein complex exhibited an absorption maximum at around 510 nm. Methionine residues of CusF were involved in copper binding as shown by site-directed mutagenesis. CusF interacted with CusB and CusC polypeptides in a yeast two-hybrid assay. In contrast to other well-studied CBA-type heavy metal efflux systems, Cus was shown to be a tetrapartite resistance system that involves the novel periplasmic copper-binding protein CusF. These data provide additional evidence for the hypothesis that Cu(I) is directly transported from the periplasm across the outer membrane by the Cus complex.

Indexed as

OperonBiological TransportCarrier ProteinsCopperDrug Resistance, BacterialEscherichia coliEscherichia coli ProteinsGene DeletionGene Expression Regulation, BacterialMicrobial Sensitivity TestsMutagenesis, Site-DirectedPeriplasmic ProteinsCarrier ProteinsCoppercopper-binding proteinEscherichia coli ProteinsPeriplasmic Proteins

Identifiers

PMID12813074
PMCPMC161567

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.