Evidence map›Paper›PMID 21882008›Full record

ArticleCurrent microbiology2011

Prevalence of acanthamoeba from tap water in rio grande do Sul, Brazil.

Mari Aline Todero Winck, Karin Caumo, Marilise Brittes Rott

Abstract read
PubMed Publisher
In one paragraph

Article in Current microbiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 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

19 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Identification of Acantamoeba isolated from water resources located in the northwest of Iran by using the high-resolution melting analysis assay.International microbiology : the official journal of the Spanish Society for Microbiology · 2026
    Article
  4. Article
  5. In Vitro Cytopathogenic Activities ofPathogens (Basel, Switzerland) · 2022
    Article
  6. Isolation, identification of pathogenicJournal of advanced veterinary and animal research · 2018
    Article
  7. African journal of infectious diseases · 2018
    Article
  8. Article
  9. Free-living amoebae in the water resources of Iran: a systematic review.Journal of parasitic diseases : official organ of the Indian Society for Parasitology · 2017
    Review
  10. Review
  11. Isolation ofJournal of parasitic diseases : official organ of the Indian Society for Parasitology · 2016
    Article
  12. 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

3 authors.

Mari Aline Todero WinckDepartamento de Microbiologia, Imunologia e Parasitogia, Instituto de Ciências Básicas da Saúde, Setor de Parasitologia, Universidade Federal do Rio Grande do Sul, Rua Sarmento Leite, 500, Porto Alegre, RS 90050-170, Brazil. mari-aline@hotmail.com
Karin Caumo
Marilise Brittes Rott

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A total of 136 samples of tap water were collected from state and municipal schools between March and November 2009. The samples were filtered through cellulose nitrate membranes that were seeded at non-nutrient agar 1.5% containing an overlayer of Escherichia coli suspension. Thirty-one (22.79%) tap water samples investigated were found positive for free-living amoebae (FLA). From these, 13 presented as FLA that seems to belong to the genus Acanthamoeba. All samples of FLA were cloned and identified as belonging to the genus Acanthamoeba by the morphology of cysts and trophozoites and by PCR using genus-specific primers that amplify the ASA.S1 region of 18S rDNA gene. Physiological tests of thermotolerance and osmotolerance were used to evaluate the pathogenicity of the isolates. The sequencing analysis by comparing the sequences submitted to GenBank, showed genotype distribution into groups T2, T2/T6, T6, and T4. In tests of thermotolerance and osmotolerance, 50% of the isolates had a low pathogenic potential. The results indicated the presence of Acanthamoeba in tap water in Rio Grande do Sul, Brazil, revealing its importance and the need for more epidemiological studies to determine their distribution in the environment and its pathogenic potential.

Indexed as

AcanthamoebaAmebiasisBrazilDrinking WaterHumansMolecular Sequence DataDrinking Water

Identifiers

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.