Evidence map›Paper›PMID 19617370›Full record

ArticleJournal of bacteriology2009

Genomic insights into the convergence and pathogenicity factors of Campylobacter jejuni and Campylobacter coli species.

Alejandro Caro-Quintero, Gina P Rodriguez-Castaño, Konstantinos T Konstantinidis

Open access · bronzeAbstract read
In one paragraph

Article in Journal of bacteriology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
7.1field-weighted citation impact, top 4% 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

22 citing papers in PubMed, 37 citations in OpenAlex.

  1. Article
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  5. Living in Cold Blood:Frontiers in microbiology · 2019
    Review
  6. Article
  7. Article
  8. What Is Speciation?PLoS genetics · 2016
    Review
  9. Microbial Speciation.Cold Spring Harbor perspectives in biology · 2015
    Review
  10. The evolution of Campylobacter jejuni and Campylobacter coli.Cold Spring Harbor perspectives in biology · 2015
    Review
  11. Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
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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

3 authors at 1 institution in 1 country.

Alejandro Caro-QuinteroSchool of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0512, USA.
Gina P Rodriguez-Castaño
Konstantinos T Konstantinidis
Georgia Institute of Technology · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Whether or not bacteria form coherent evolutionary groups via means of genetic exchange and, hence, elicit distinct species boundaries remains an unsettled issue. A recent report implied that not only may the former be true but also, in fact, the clearly distinct Campylobacter jejuni and Campylobacter coli species may be converging as a consequence of increased interspecies gene flow fostered, presumably, by the recent invasion of an overlapping ecological niche (S. K. Sheppard, N. D. McCarthy, D. Falush, and M. C. Maiden, Science 320:237-239, 2008). We have reanalyzed the Campylobacter multilocus sequence typing database used in the previous study and found that the number of interspecies gene transfer events may actually be too infrequent to account, unequivocally, for species convergence. For instance, only 1 to 2% of the 4,507 Campylobacter isolates examined appeared to have imported gene alleles from another Campylobacter species. Furthermore, by analyzing the available Campylobacter genomic sequences, we show that although there seems to be a slightly higher number of exchanged genes between C. jejuni and C. coli relative to other comparable species ( approximately 10% versus 2 to 3% of the total genes in the genome, respectively), the function and spatial distribution in the genome of the exchanged genes are far from random, and hence, inconsistent with the species convergence hypothesis. In fact, the exchanged genes appear to be limited to a few environmentally selected cellular functions. Accordingly, these genes may represent important pathogenic determinants of pathogenic Campylobacter, and convergence of (any) two bacterial species remains to be seen.

Indexed as

Evolution, MolecularGene Transfer, HorizontalGenomicsBacterial ProteinsCampylobacter coliCampylobacter jejuniDatabases, GeneticGene FlowGenetic SpeciationGenome, BacterialSequence Analysis, DNABacterial Proteins

Identifiers

PMID19617370
PMCPMC2737969
OpenAlexW2116599860

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.