Evidence map›Paper›PMID 22863732›Full record

ArticleNature genetics2012

Shigella sonnei genome sequencing and phylogenetic analysis indicate recent global dissemination from Europe.

Kathryn E Holt, Stephen Baker, François-Xavier Weill, Edward C Holmes, Andrew Kitchen, Jun Yu, Vartul Sangal, Derek J Brown, John E Coia, Dong Wook Kim and 8 more

Abstract read
In one paragraph

Article in Nature genetics, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 189 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
189citing papers in PubMed, 3 pooled it
–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

189 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Pooled it
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129 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

18 authors.

Kathryn E HoltDepartment of Microbiology and Immunology, University of Melbourne, Victoria, Australia. kholt@unimelb.edu.au
Stephen Baker
François-Xavier Weill
Edward C Holmes
Andrew Kitchen
Jun Yu
Vartul Sangal
Derek J Brown
John E Coia
Dong Wook Kim
Seon Young Choi
Su Hee Kim
Wanderley D da Silveira
Derek J Pickard
Jeremy J Farrar
Julian Parkhill
Gordon Dougan
Nicholas R Thomson

Funding

Medical Research Council G0800173Medical Research Council G0800173(86345)Wellcome TrustWellcome Trust 0689
6 · The paper itself

Abstract

Shigella are human-adapted Escherichia coli that have gained the ability to invade the human gut mucosa and cause dysentery(1,2), spreading efficiently via low-dose fecal-oral transmission(3,4). Historically, S. sonnei has been predominantly responsible for dysentery in developed countries but is now emerging as a problem in the developing world, seeming to replace the more diverse Shigella flexneri in areas undergoing economic development and improvements in water quality(4-6). Classical approaches have shown that S. sonnei is genetically conserved and clonal(7). We report here whole-genome sequencing of 132 globally distributed isolates. Our phylogenetic analysis shows that the current S. sonnei population descends from a common ancestor that existed less than 500 years ago and that diversified into several distinct lineages with unique characteristics. Our analysis suggests that the majority of this diversification occurred in Europe and was followed by more recent establishment of local pathogen populations on other continents, predominantly due to the pandemic spread of a single, rapidly evolving, multidrug-resistant lineage.

Indexed as

Genome, BacterialCluster AnalysisDisease Transmission, InfectiousDysentery, BacillaryEuropeGenes, BacterialHumansMolecular Sequence DataPhylogenySequence Analysis, DNAShigella sonneiWater MicrobiologyWater Quality

Identifiers

PMID22863732
PMCPMC3442231

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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.