Evidence map›Paper›PMID 15317786›Full record

ArticleJournal of bacteriology2004

Worldwide genetic relationships among Francisella tularensis isolates determined by multiple-locus variable-number tandem repeat analysis.

Anders Johansson, Jason Farlow, Pär Larsson, Meghan Dukerich, Elias Chambers, Mona Byström, James Fox, May Chu, Mats Forsman, Anders Sjöstedt and 1 more

Abstract read
In one paragraph

Article in Journal of bacteriology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 126 papers.

0numbers the graph read from it
0cells of the map it votes in
126citing 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

126 citing papers in PubMed.

  1. Review
  2. Article
  3. Genetic Homogeneity ofPathogens (Basel, Switzerland) · 2024
    Article
  4. Targeting Tularemia: Clinical, Laboratory, and Treatment Outcomes From an 11-year Retrospective Observational Cohort in Northern Sweden.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2024
    Observational
  5. Article
  6. Review
  7. Review
  8. Review
  9. Article
  10. Article
  11. Review
  12. Virulence ofMicroorganisms · 2020
    Article
  13. Genetic Traces of theMicroorganisms · 2020
    Article
  14. Review
  15. Draft Genome Sequences of Three Francisella tularensis subsp.Microbiology resource announcements · 2020
    Article
  16. Phylogeography and Genetic Diversity ofFrontiers in microbiology · 2020
    Article
  17. Phylogeographic Distribution of Human and HareFrontiers in cellular and infection microbiology · 2019
    Article
  18. Article
  19. Phylogenetic Lineages ofFrontiers in cellular and infection microbiology · 2018
    Review
  20. Antimicrobial agents and chemotherapy · 2017
    Article

66 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

11 authors.

Anders JohanssonDivisions of Infectious Diseases, Department of Clinical Microbiology, Umeå University, Sweden.
Jason Farlow
Pär Larsson
Meghan Dukerich
Elias Chambers
Mona Byström
James Fox
May Chu
Mats Forsman
Anders Sjöstedt
Paul Keim

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The intracellular bacterium Francisella tularensis is the causative agent of tularemia and poses a serious threat as an agent of bioterrorism. We have developed a highly effective molecular subtyping system from 25 variable-number tandem repeat (VNTR) loci. In our study, multiple-locus VNTR analysis (MLVA) was used to analyze genetic relationships and potential population structure within a global collection of 192 F. tularensis isolates, including representatives from each of the four subspecies. The VNTR loci displayed between 2 and 31 alleles with Nei's diversity values between 0.05 and 0.95. Neighbor-joining cluster analysis of VNTR data revealed 120 genotypes among the 192 F. tularensis isolates, including accurate subspecies identification. F. tularensis subsp. tularensis (type A) isolates showed great diversity at VNTR loci, while F. tularensis subsp. holarctica (type B) isolates showed much lower levels despite a much broader geographical prevalence. The resolution of two distinct clades within F. tularensis subsp. tularensis (designated A.I and A.II) revealed a previously unrecognized genetic division within this highly virulent subspecies. F. tularensis subsp. holarctica appears to have recently spread globally across continents from a single origin, while F. tularensis subsp. tularensis has a long and complex evolutionary history almost exclusively in North America. The sole non-North American type A isolates (Slovakian) were closely related to the SCHU S4 strain. Significant linkage disequilibrium was detected among VNTR loci of F. tularensis consistent with a clonal population structure. Overall, this work greatly augments the study of tularemia ecology and epidemiology, while providing a framework for future forensic analysis of F. tularensis isolates.

Indexed as

Bacterial Typing TechniquesMinisatellite RepeatsAllelesCluster AnalysisDNA, BacterialDNA FingerprintingFrancisella tularensisGenetic VariationGenotypeMolecular EpidemiologyMolecular Sequence DataPhylogenySequence Analysis, DNADNA, Bacterial

Identifiers

PMID15317786
PMCPMC516809

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Registered trials

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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.