Evidence map›Paper›PMID 27706170›Full record

ArticlePLoS neglected tropical diseases2016

Retrospective Analysis of Serotype Switching of Vibrio cholerae O1 in a Cholera Endemic Region Shows It Is a Non-random Process.

Stefan L Karlsson, Nicholas Thomson, Ankur Mutreja, Thomas Connor, Dipika Sur, Mohammad Ali, John Clemens, Gordon Dougan, Jan Holmgren, Michael Lebens

Abstract read
In one paragraph

Article in PLoS neglected tropical diseases, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing 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

19 citing papers in PubMed.

  1. Article
  2. bioRxiv : the preprint server for biology · 2025
    Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Serotype conversion geneFrontiers in microbiology · 2023
    Article
  12. Microbial genomics · 2021
    Article
  13. Article
  14. Dissecting serotype-specific contributions to live oral cholera vaccine efficacy.Proceedings of the National Academy of Sciences of the United States of America · 2021
    Article
  15. Article
  16. Article
  17. mSphere · 2019
    Review
  18. Review
  19. Cholera: Immunity and Prospects in Vaccine Development.The Journal of infectious diseases · 2018
    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

10 authors.

Stefan L KarlssonDepartment of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden.
Nicholas ThomsonWellcome Trust Sanger Institute, Cambridge, United Kingdom.
Ankur MutrejaWellcome Trust Sanger Institute, Cambridge, United Kingdom.
Thomas ConnorCardiff University, Cardiff, United Kingdom.
Dipika SurIndian Council of Medical Research, New Delhi, India.
Mohammad AliJohns Hopkins Bloomberg School of Public Health, Maryland, Baltimore, United States of America.
John ClemensInternational Centre for Diarrhoeal Disease Research, Dhaka, Dhaka Bangladesh.
Gordon DouganWellcome Trust Sanger Institute, Cambridge, United Kingdom.
Jan HolmgrenDepartment of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden.
Michael LebensDepartment of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden.

Funding

Wellcome Trust 098051
6 · The paper itself

Abstract

Genomic data generated from clinical Vibrio cholerae O1 isolates collected over a five year period in an area of Kolkata, India with seasonal cholera outbreaks allowed a detailed genetic analysis of serotype switching that occurred from Ogawa to Inaba and back to Ogawa. The change from Ogawa to Inaba resulted from mutational disruption of the methyltransferase encoded by the wbeT gene. Re-emergence of the Ogawa serotype was found to result either from expansion of an already existing Ogawa clade or reversion of the mutation in an Inaba clade. Our data suggests that such transitions are not random events but rather driven by as yet unidentified selection mechanisms based on differences in the structure of the O1 antigen or in the serotype-determining wbeT gene.

Indexed as

Endemic DiseasesCholeraDisease OutbreaksGenome, BacterialHumansIndiaMethyltransferasesMutationO AntigensPhylogenyRetrospective StudiesSequence Analysis, DNASerogroupSerotypingVibrio cholerae O1MethyltransferasesO Antigens

Identifiers

PMID27706170
PMCPMC5051702

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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.