Evidence map›Paper›PMID 9335308›Full record

ArticleJournal of bacteriology1997

Transcriptional regulation of the cydDC operon, encoding a heterodimeric ABC transporter required for assembly of cytochromes c and bd in Escherichia coli K-12: regulation by oxygen and alternative electron acceptors.

G M Cook, J Membrillo-Hernández, R K Poole

Abstract read
In one paragraph

Article in Journal of bacteriology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing 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

8 citing papers in PubMed.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
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

3 authors.

G M CookDepartment of Molecular Biology and Biotechnology, The Krebs Institute for Biomolecular Research, The University of Sheffield, United Kingdom.
J Membrillo-Hernández
R K Poole

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The expression of the cydDC operon was investigated by using a chromosomal phi(cydD-lacZ) transcriptional fusion and primer extension analysis. A single transcriptional start site was found for cydD located 68 bp upstream of the translational start site, and Northern blot analysis confirmed that cydDC is transcribed as a polycistronic message independently of the upstream gene trxB. cydDC was highly expressed under aerobic growth conditions and during anaerobic growth with alternative electron acceptors. Aerobic expression was independent of ArcA and Fnr, but induction of cydDC by nitrate and nitrite was dependent on NarL and Fnr.

Indexed as

Carrier ProteinsElectron Transport Chain Complex ProteinsEscherichia coli ProteinsOperonPeptidylprolyl IsomeraseTranscription, GeneticAerobiosisAmino Acid SequenceAnaerobiosisATP-Binding Cassette TransportersBacterial ProteinsBase SequenceCytochrome b GroupCytochrome c GroupCytochromesDNA-Binding ProteinsATP-Binding Cassette TransportersBacterial ProteinsCarrier ProteinsCydC protein, E coliCydD protein, E colicytochrome bd terminal oxidase complex, E coliCytochrome b GroupCytochrome c GroupCytochromesDNA-Binding ProteinsElectron Transport Chain Complex ProteinsEscherichia coli ProteinsFNR protein, E coliIron-Sulfur ProteinsNarL protein, E coliNitratesNitritesOxidoreductasesPeptidylprolyl Isomeraseperiplasmic peptidylprolyl cis-trans isomeraseRecombinant Fusion ProteinsSurA protein, E coli

Identifiers

PMID9335308
PMCPMC179575

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.