Evidence map›Paper›PMID 17693521›Full record

ArticleJournal of bacteriology2007

Cj0011c, a periplasmic single- and double-stranded DNA-binding protein, contributes to natural transformation in Campylobacter jejuni.

Byeonghwa Jeon, Qijing Zhang

Open access · greenAbstract read
In one paragraph

Article in Journal of bacteriology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
3.9field-weighted citation impact, top 8% of its field
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

24 citing papers in PubMed, 38 citations in OpenAlex.

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  7. Natural Competence and Horizontal Gene Transfer in Campylobacter.Current topics in microbiology and immunology · 2021
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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

2 authors at 1 institution in 1 country.

Byeonghwa JeonDepartment of Veterinary Microbiology and Preventive Medicine, 1116 Veterinary Medicine Complex, Iowa State University, Ames, IA 50011, USA.
Qijing Zhang
Iowa State University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Campylobacter jejuni is an important bacterial pathogen causing gastroenteritis in humans. C. jejuni is capable of natural transformation, which is considered a major mechanism mediating horizontal gene transfer and generating genetic diversity. Despite recent efforts to elucidate the transformation mechanisms of C. jejuni, the process of DNA binding and uptake in this organism is still not well understood. In this study, we report a previously unrecognized DNA-binding protein (Cj0011c) in C. jejuni that contributes to natural transformation. Cj0011c is a small protein (79 amino acids) with a partial sequence homology to the C-terminal region of ComEA in Bacillus subtilis. Cj0011c bound to both single- and double-stranded DNA. The DNA-binding activity of Cj0011c was demonstrated with a variety of DNAs prepared from C. jejuni or Escherichia coli, suggesting that the DNA binding of Cj0011c is not sequence dependent. Deletion of the cj0011c gene from C. jejuni resulted in 10- to 50-fold reductions in the natural transformation frequency. Different from the B. subtilis ComEA, which is an integral membrane protein, Cj0011c is localized in the periplasmic space of C. jejuni. These results indicate that Cj0011c functions as a periplasmic DNA receptor contributing to the natural transformation of C. jejuni.

Indexed as

Amino Acid SequenceBacterial ProteinsCampylobacter jejuniDNADNA, BacterialDNA-Binding ProteinsDNA, Single-StrandedElectrophoretic Mobility Shift AssayGene DeletionMembrane ProteinsMolecular Sequence DataPeriplasmPeriplasmic ProteinsProtein BindingSequence Homology, Amino AcidTransformation, BacterialBacterial ProteinsComEA protein, Bacillus subtilisDNADNA, BacterialDNA-Binding ProteinsDNA, Single-StrandedMembrane ProteinsPeriplasmic Proteins

Identifiers

PMID17693521
PMCPMC2168429
OpenAlexW2164451584

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.