Evidence map›Paper›PMID 24924922›Full record

ArticleEuropean journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology2014

The high prevalence of serine protease autotransporters of Enterobacteriaceae (SPATEs) in Escherichia coli causing neonatal septicemia.

R Tapader, S Chatterjee, A K Singh, P Dayma, S Haldar, A Pal, S Basu

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Article in European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 2 pooled it
2.4field-weighted citation impact, top 14% 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

15 citing papers in PubMed, 2 syntheses or guidelines pooled it, 35 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Comprehensive Analysis ofMicroorganisms · 2025
    Article
  4. Genomic Dissection of an EnteroaggregativeInternational journal of molecular sciences · 2024
    Article
  5. Plasmid-encoded toxin ofFrontiers in cellular and infection microbiology · 2024
    Article
  6. Article
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  8. Article
  9. Serine protease autotransporters of Enterobacteriaceae (SPATEs) are largely distributed among Escherichia coli isolated from the bloodstream.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2020
    Article
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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

7 authors at 3 institutions in 1 country.

R TapaderDivision of Pathophysiology, National Institute of Cholera and Enteric Diseases, Kolkata, 700010, India.
S Chatterjee
A K Singh
P Dayma
S Haldar
A Pal
S Basu
National Institute of Cholera and Enteric Diseases · INCentral Salt and Marine Chemicals Research Institute · INInstitute of Post Graduate Medical Education and Research · IN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Serine protease autotransporters of Enterobacteriaceae (SPATEs) are secreted proteins demonstrating diverse virulence functions. The distribution of SPATEs is studied among diarrheagenic and extraintestinal pathogenic Escherichia coli. However, the contribution of SPATEs to the virulence of neonatal septicemic Escherichia coli (NSEC) has not yet been elucidated. This study was undertaken to evaluate the prevalence and phylogenetic distribution of different subtypes of SPATEs among NSEC. The presence of virulence factors and subtypes of SPATEs among different E. coli isolates was determined by polymerase chain reaction (PCR). E. coli phylogrouping was done by triplex PCR. Clonality of the isolates was assessed by pulsed-field gel electrophoresis (PFGE). The presence of SPATEs was significantly higher among the septicemic isolates (89 %) than the fecal (7.5 %) and environmental isolates (2.5 %). Vat (vacuolating autotransporter toxin) and Sat (secreted autotransporter toxin) were found to be the two most predominant SPATEs. The incidence of SPATEs was high in septicemic isolates of phylogroups A and B1 (87 %), lacking other virulence factors. The high prevalence of SPATEs in the non-B2 phylogroups of septicemic isolates in comparison with fecal and environmental isolates indicates an association of SPATEs with NSEC. The NSEC isolates were found to be clonally distinct, suggesting that the high prevalence of SPATEs was not due to clonal relatedness of the isolates. This study is the first to show the association of SPATEs with NSEC. The presence of SPATEs in the septicemic/NSEC isolates may be considered as the most discriminatory trait studied here.

Indexed as

Protein TransportCluster AnalysisElectrophoresis, Gel, Pulsed-FieldEscherichia coliEscherichia coli InfectionsFemaleGenotypeHumansInfantInfant, NewbornMaleMolecular TypingPhylogenyPolymerase Chain ReactionPrevalenceSepsisSerine ProteasesVirulence Factors

Identifiers

PMID24924922
OpenAlexW1989814427

What OpenQuestion holds

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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.