Evidence map›Paper›PMID 26125189›Full record

ArticlePLoS neglected tropical diseases2015

Plasmodium vivax Diversity and Population Structure across Four Continents.

Cristian Koepfli, Priscila T Rodrigues, Tiago Antao, Pamela Orjuela-Sánchez, Peter Van den Eede, Dionicia Gamboa, Nguyen van Hong, Jorge Bendezu, Annette Erhart, Céline Barnadas and 9 more

Abstract read
In one paragraph

Article in PLoS neglected tropical diseases, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
54citing papers in PubMed, 2 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

54 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
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  8. Article
  9. Genetic diversity ofEpidemiology and infection · 2023
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  11. Traditional Beliefs, Practices, and Migration: A Risk to Malaria Transmission in Rural Nepal.International journal of environmental research and public health · 2022
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  13. Review
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  17. Reconstruction ofInternational journal of molecular epidemiology and genetics · 2021
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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

19 authors.

Cristian KoepfliSwiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland; Walter and Eliza Hall Institute, Parkville, Australia; Department of Medical Biology, University of Melbourne, Melbourne, Australia.
Priscila T RodriguesDepartment of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
Tiago AntaoDepartment of Vector Biology, Liverpool School of Tropical Medicine, Liverpool, United Kingdom.
Pamela Orjuela-SánchezDepartment of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
Peter Van den EedeDepartment of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium.
Dionicia GamboaInstituto de Medicina Tropical Alexander Von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru.
Nguyen van HongNational Institute of Malariology, Parasitology, and Entomology, Hanoi, Vietnam.
Jorge BendezuInstituto de Medicina Tropical Alexander Von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru.
Annette ErhartDepartment of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium.
Céline BarnadasWalter and Eliza Hall Institute, Parkville, Australia; Department of Medical Biology, University of Melbourne, Melbourne, Australia.
Arsène RatsimbasoaImmunology Unit, Institut Pasteur de Madagascar, Antananarivo, Madagascar.
Didier MenardInstitut Pasteur de Cambodge, Malaria Molecular Epidemiology Unit, Phnom Penh, Cambodia.
Carlo SeveriniDepartment of Infectious, Parasitic and Immunomediated Diseases, Istituto Superiore di Sanità, Rome, Italy.
Michela MenegonDepartment of Infectious, Parasitic and Immunomediated Diseases, Istituto Superiore di Sanità, Rome, Italy.
Bakri Y M NourDepartment of Parasitology, Blue Nile National Institute for Communicable Diseases, University of Gezira, Wad Medani, Sudan.
Nadira KarunaweeraDepartment of Parasitology, Faculty of Medicine, University of Colombo, Sri Lanka.
Ivo MuellerWalter and Eliza Hall Institute, Parkville, Australia; Department of Medical Biology, University of Melbourne, Melbourne, Australia; Barcelona Centre for International Health Research, Barcelona, Spain.
Marcelo U FerreiraDepartment of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
Ingrid FelgerSwiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland.

Funding

TransmissionU19AI089686 · NIAID · CASE WESTERN RESERVE UNIVERSITY · PI KAZURA, JAMES WALTER · 2010 to 2016
$9.9M
NIAID NIH HHS U19 AI089686Wellcome TrustWellcome Trust WT100066MA
6 · The paper itself

Abstract

Plasmodium vivax is the geographically most widespread human malaria parasite. To analyze patterns of microsatellite diversity and population structure across countries of different transmission intensity, genotyping data from 11 microsatellite markers was either generated or compiled from 841 isolates from four continents collected in 1999-2008. Diversity was highest in South-East Asia (mean allelic richness 10.0-12.8), intermediate in the South Pacific (8.1-9.9) Madagascar and Sudan (7.9-8.4), and lowest in South America and Central Asia (5.5-7.2). A reduced panel of only 3 markers was sufficient to identify approx. 90% of all haplotypes in South Pacific, African and SE-Asian populations, but only 60-80% in Latin American populations, suggesting that typing of 2-6 markers, depending on the level of endemicity, is sufficient for epidemiological studies. Clustering analysis showed distinct clusters in Peru and Brazil, but little sub-structuring was observed within Africa, SE-Asia or the South Pacific. Isolates from Uzbekistan were exceptional, as a near-clonal parasite population was observed that was clearly separated from all other populations (FST>0.2). Outside Central Asia FST values were highest (0.11-0.16) between South American and all other populations, and lowest (0.04-0.07) between populations from South-East Asia and the South Pacific. These comparisons between P. vivax populations from four continents indicated that not only transmission intensity, but also geographical isolation affect diversity and population structure. However, the high effective population size results in slow changes of these parameters. This persistency must be taken into account when assessing the impact of control programs on the genetic structure of parasite populations.

Indexed as

Genetic VariationAfricaAllelesAmericasAsiaCluster AnalysisCohort StudiesGenetics, PopulationGenotypeGeographyHaplotypesHumansLinkage DisequilibriumMadagascarMalaria, VivaxMicrosatellite Repeats

Identifiers

PMID26125189
PMCPMC4488360

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Registered trials

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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.