Evidence map›Paper›PMID 17098897›Full record

ArticleJournal of bacteriology2007

Molecular evolution of typical enteropathogenic Escherichia coli: clonal analysis by multilocus sequence typing and virulence gene allelic profiling.

David W Lacher, Hans Steinsland, T Eric Blank, Michael S Donnenberg, Thomas S Whittam

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 66 papers.

0numbers the graph read from it
0cells of the map it votes in
66citing papers in PubMed
6.5field-weighted citation impact, top 2% 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

66 citing papers in PubMed, 120 citations in OpenAlex.

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  9. Microbiology and Epidemiology ofMicroorganisms · 2022
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  10. ABToxins · 2022
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  16. Pathotyping and Antibiotic Resistance Profiling ofBioMed research international · 2020
    Article
  17. New Insights Into DAEC and EAEC Pathogenesis and Phylogeny.Frontiers in cellular and infection microbiology · 2020
    Article
  18. Article
  19. Review
  20. Article

6 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

5 authors at 3 institutions in 2 countries.

David W LacherNational Food Safety & Toxicology Center, Michigan State University, East Lansing, MI 48824, USA.
Hans Steinsland
T Eric Blank
Michael S Donnenberg
Thomas S Whittam
Michigan State University · USUniversity of Maryland, Baltimore · USUniversity of Bergen · NO

Funding

The eae Gene Cluster of Enteropathogenic E.coliR01AI032074 · NIAID · UNIVERSITY OF MARYLAND BALTIMORE · PI DONNENBERG, MICHAEL S · 1997 to 2012
$3.7M
MOLECULAR BASIS OF LOCALIZED ADHERENCE IN E. COLIR01AI037606 · NIAID · UNIVERSITY OF MARYLAND BALTIMORE · PI DONNENBERG, MICHAEL S · 1995 to 2009
$2.5M
NIAID NIH HHS AI-37606NIAID NIH HHS N01 AI030058NIAID NIH HHS N01-AI-30058NIAID NIH HHS R01 AI032074NIAID NIH HHS R01 AI037606
6 · The paper itself

Abstract

Enteropathogenic Escherichia coli (EPEC) infections are a leading cause of infantile diarrhea in developing nations. Typical EPEC isolates are differentiated from other types of pathogenic E. coli by two distinctive phenotypes, attaching effacement and localized adherence. The genes specifying these phenotypes are found on the locus of enterocyte effacement (LEE) and the EPEC adherence factor (EAF) plasmid. To describe how typical EPEC has evolved, we characterized a diverse collection of strains by multilocus sequence typing (MLST) and performed restriction fragment length polymorphism (RFLP) analysis of three virulence genes (eae, bfpA, and perA) to assess allelic variation. Among 129 strains representing 20 O-serogroups, 21 clonal genotypes were identified using MLST. RFLP analysis resolved nine eae, nine bfpA, and four perA alleles. Each bfpA allele was associated with only one perA allele class, suggesting that recombination has not played a large role in shuffling the bfpA and perA loci between separate EAF plasmids. The distribution of eae alleles among typical EPEC strains is more concordant with the clonal relationships than the distribution of the EAF plasmid types. These results provide further support for the hypothesis that the EPEC pathotype has evolved multiple times within E. coli through separate acquisitions of the LEE island and EAF plasmid.

Indexed as

Evolution, MolecularAdhesins, BacterialAllelesBacterial AdhesionEscherichia coliEscherichia coli ProteinsFimbriae, BacterialFimbriae ProteinsGenes, BacterialGenetic VariationMolecular Sequence DataPhylogenyPlasmidsPolymerase Chain ReactionPolymorphism, Restriction Fragment LengthSequence Analysis, DNAAdhesins, BacterialBfpA protein, E colieaeA protein, E coliEscherichia coli ProteinsFimbriae ProteinsVirulence Factors

Identifiers

PMID17098897
PMCPMC1797380
OpenAlexW2136993061

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.