Evidence map›Paper›PMID 25859926›Full record

ArticleParasitology research2015

Characterization of Blastocystis species infection in humans and mantled howler monkeys, Alouatta palliata aequatorialis, living in close proximity to one another.

William D Helenbrook, William M Shields, Christopher M Whipps

Abstract read
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In one paragraph

Article in Parasitology research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 1 pooled it
3.3field-weighted citation impact, top 9% 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, 1 synthesis or guideline pooled it, 40 citations in OpenAlex.

  1. Pooled it
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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 at 2 institutions in 1 country.

William D HelenbrookSUNY-ESF, State University of New York College of Environmental Science and Forestry, Environmental and Forest Biology, 1 Forestry Drive, Syracuse, NY, 13210, USA, wdhelenb@syr.edu.
William M Shields
Christopher M Whipps
State University of New York · USSUNY College of Environmental Science and Forestry · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study characterizes Blastocystis species infections in humans and mantled howler monkeys, Alouatta palliata aequatorialis, living in close proximity to one another in northwestern Ecuador. Blastocystis species were identified from 58 of 96 (60.4 %) mantled howler monkey fecal samples, and 44 of 55 human fecal samples (81.5 %) by polymerase chain reaction. Using single-stranded conformation polymorphism, we were able to efficiently separate and sequence subtypes (STs) within mixed samples without the need for cloning. Blastocystis ST1, ST2, and ST3 were found in people, and two individuals were infected with more than one subtype. All monkey samples were ST8. The lack of shared subtypes between humans and monkeys suggests that no Blastocystis transmission occurs between these species in spite of close proximity in some instances. Based on analysis of demographic data from a questionnaire given to human participants, individuals who boiled their water before consumption were significantly less likely to be infected with Blastocystis (44.4 %) compared to those who did not (93.8 %) (p = 0.002). No other risk factors were significant, although hunters, females, individuals living in large families, and those living closer to forested habitat tended to have a higher proportion of Blastocystis infections.

Indexed as

AlouattaAnimalsBlastocystisBlastocystis InfectionsEcuadorFecesFemaleHumansMaleMonkey Diseases

Identifiers

PMID25859926
OpenAlexW2045826307

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.