Evidence map›Paper›PMID 24891107›Full record

ArticleInfection and immunity2014

Colonization of cecum is important for development of persistent infection by Yersinia pseudotuberculosis.

Anna Fahlgren, Kemal Avican, Linda Westermark, Roland Nordfelth, Maria Fällman

Open access · bronzeAbstract read
In one paragraph

Article in Infection and immunity, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
2.6field-weighted citation impact, top 10% 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

21 citing papers in PubMed, 47 citations in OpenAlex.

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  13. AllFrontiers in cellular and infection microbiology · 2018
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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

5 authors at 1 institution in 1 country.

Anna FahlgrenDepartment of Molecular Biology, Umeå Centre for Microbial Research (UCMR), Umeå University, Umeå, Sweden anna.fahlgren@molbiol.umu.se.
Kemal AvicanDepartment of Molecular Biology, Umeå Centre for Microbial Research (UCMR), Umeå University, Umeå, Sweden Laboratory for Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden.
Linda WestermarkDepartment of Molecular Biology, Umeå Centre for Microbial Research (UCMR), Umeå University, Umeå, Sweden Laboratory for Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden.
Roland NordfelthDepartment of Molecular Biology, Umeå Centre for Microbial Research (UCMR), Umeå University, Umeå, Sweden.
Maria FällmanDepartment of Molecular Biology, Umeå Centre for Microbial Research (UCMR), Umeå University, Umeå, Sweden Laboratory for Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden.
Umeå University · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Yersiniosis is a human disease caused by the bacterium Yersinia pseudotuberculosis or Yersinia enterocolitica. The infection is usually resolved but can lead to postinfectious sequelae, including reactive arthritis and erythema nodosum. The commonly used Yersinia mouse infection model mimics acute infection in humans to some extent but leads to systemic infection and eventual death. Here, we analyzed sublethal infection doses of Y. pseudotuberculosis in mice in real time using bioluminescent imaging and found that infections using these lower doses result in extended periods of asymptomatic infections in a fraction of mice. In a search for the site for bacterial persistence, we found that the cecum was the primary colonization site and was the site where the organism resided during a 115-day infection period. Persistent infection was accompanied by sustained fecal shedding of cultivable bacteria. Cecal patches were identified as the primary site for cecal colonization during persistence. Y. pseudotuberculosis bacteria were present in inflammatory lesions, in localized foci, or as single cells and also in neutrophil exudates in the cecal lumen. The chronically colonized cecum may serve as a reservoir for dissemination of infection to extraintestinal sites, and a chronic inflammatory state may trigger the onset of postinfectious sequelae. This novel mouse model for bacterial persistence in cecum has potential as an investigative tool to unveil a deeper understanding of bacterial adaptation and host immune defense mechanisms during persistent infection.

Indexed as

AnimalsBacterial SheddingCecumDisease Models, AnimalFecesFemaleLuminescent MeasurementsMiceWhole Body ImagingYersinia pseudotuberculosisYersinia pseudotuberculosis Infections

Identifiers

PMID24891107
PMCPMC4136198
OpenAlexW2171718924

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.