Evidence map›Paper›PMID 18365032›Full record

ArticlePLoS neglected tropical diseases2008

First cultivation and characterization of Mycobacterium ulcerans from the environment.

Françoise Portaels, Wayne M Meyers, Anthony Ablordey, António G Castro, Karim Chemlal, Pim de Rijk, Pierre Elsen, Krista Fissette, Alexandra G Fraga, Richard Lee and 7 more

Open access · goldAbstract read
In one paragraph

Article in PLoS neglected tropical diseases, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 90 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
90citing papers in PubMed, 2 pooled it
10.8field-weighted citation impact, top 1% 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

90 citing papers in PubMed, 2 syntheses or guidelines pooled it, 211 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
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  14. Linking theOne health (Amsterdam, Netherlands) · 2021
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  15. Review
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  19. Article
  20. DisseminatedThe American journal of tropical medicine and hygiene · 2019
    Article

30 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

17 authors at 5 institutions in 4 countries.

Françoise PortaelsInstitute of Tropical Medicine, Antwerpen, Belgium. portaels@itg.be
Wayne M Meyers
Anthony Ablordey
António G Castro
Karim Chemlal
Pim de Rijk
Pierre Elsen
Krista Fissette
Alexandra G Fraga
Richard Lee
Engy Mahrous
Pamela L C Small
Pieter Stragier
Egídio Torrado
Anita Van Aerde
Manuel T Silva
Jorge Pedrosa
Instituut voor Tropische Geneeskunde · BEUniversity of Minho · PTUniversity of Tennessee at Knoxville · USArmed Forces Institute of Pathology · USUniversidade do Porto · PT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMycobacterium ulcerans disease, or Buruli ulcer (BU), is an indolent, necrotizing infection of skin, subcutaneous tissue and, occasionally, bones. It is the third most common human mycobacteriosis worldwide, after tuberculosis and leprosy. There is evidence that M. ulcerans is an environmental pathogen transmitted to humans from aquatic niches; however, well-characterized pure cultures of M. ulcerans from the environment have never been reported. Here we present details of the isolation and characterization of an M. ulcerans strain (00-1441) obtained from an aquatic Hemiptera (common name Water Strider, Gerris sp.) from Benin. METHODOLOGY/PRINCIPAL

findingsOne culture from a homogenate of a Gerris sp. in BACTEC became positive for IS2404, an insertion sequence with more than 200 copies in M. ulcerans. A pure culture of M. ulcerans 00-1441 was obtained on Löwenstein-Jensen medium after inoculation of BACTEC culture in mouse footpads followed by two other mouse footpad passages. The phenotypic characteristics of 00-1441 were identical to those of African M. ulcerans, including production of mycolactone A/B. The nucleotide sequence of the 5' end of 16S rRNA gene of 00-1441 was 100% identical to M. ulcerans and M. marinum, and the sequence of the 3' end was identical to that of the African type except for a single nucleotide substitution at position 1317. This mutation in M. ulcerans was recently discovered in BU patients living in the same geographic area. Various genotyping methods confirmed that strain 00-1441 has a profile identical to that of the predominant African type. Strain 00-1441 produced severe progressive infection and disease in mouse footpads with involvement of bone.

conclusionStrain 00-1441 represents the first genetically and phenotypically identified strain of M. ulcerans isolated in pure culture from the environment. This isolation supports the concept that the agent of BU is a human pathogen with an environmental niche.

Indexed as

Environmental MicrobiologyAnimalsBacterial ToxinsCells, CulturedFemaleFootGenotypeHemipteraMacrolidesMacrophagesMass SpectrometryMiceMice, Inbred BALB CMycobacterium ulceransPhylogenyPolymerase Chain ReactionBacterial ToxinsMacrolidesmycolactoneRNA, Ribosomal, 16S

Identifiers

PMID18365032
PMCPMC2268003
OpenAlexW2119591408

What OpenQuestion holds

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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.