Evidence map›Paper›PMID 31285495›Full record

ArticleScientific reports2019

Whole genome sequencing of amplified Plasmodium knowlesi DNA from unprocessed blood reveals genetic exchange events between Malaysian Peninsular and Borneo subpopulations.

Ernest Diez Benavente, Ana Rita Gomes, Jeremy Ryan De Silva, Matthew Grigg, Harriet Walker, Bridget E Barber, Timothy William, Tsin Wen Yeo, Paola Florez de Sessions, Abhinay Ramaprasad and 10 more

Abstract read
In one paragraph

Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
24citing 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

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

  1. Pooled it
  2. Article
  3. Integrative genomics ofbioRxiv : the preprint server for biology · 2026
    Article
  4. Article
  5. International journal of molecular sciences · 2025
    Article
  6. Article
  7. Article
  8. Emerging malaria in Indonesia: An overview ofParasite epidemiology and control · 2025
    Article
  9. Article
  10. Review
  11. Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Review
  17. Frontiers in genetics · 2022
    Article
  18. Observational
  19. Article
  20. Review
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

20 authors.

Ernest Diez BenaventeFaculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom.ORCID http://orcid.org/0000-0002-4313-4290
Ana Rita GomesFaculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom.ORCID http://orcid.org/0000-0001-7684-8815
Jeremy Ryan De SilvaUniversity of Malaya, Kuala Lumpur, Malaysia.ORCID http://orcid.org/0000-0001-9378-3830
Matthew GriggGlobal and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, Northern Territory, Australia.
Harriet WalkerFaculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom.
Bridget E BarberGlobal and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, Northern Territory, Australia.
Timothy WilliamInfectious Diseases Society Sabah-Menzies School of Health Research Clinical Research Unit, 88300, Kota Kinabalu, Sabah, Malaysia.
Tsin Wen YeoGlobal and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, Northern Territory, Australia.
Paola Florez de SessionsGenomics Institute, Biopolis, Singapore.
Abhinay RamaprasadKing Abdullah University of Science and Technology, Thuwal, Saudi Arabia.
Amy IbrahimFaculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom.ORCID http://orcid.org/0000-0001-5155-7974
James CharlestonFaculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom.
Martin L HibberdFaculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom.
Arnab PainKing Abdullah University of Science and Technology, Thuwal, Saudi Arabia.ORCID http://orcid.org/0000-0002-1755-2819
Robert W MoonFaculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom.ORCID http://orcid.org/0000-0002-9070-4292
Sarah AuburnGlobal and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, Northern Territory, Australia.
Lau Yee LingUniversity of Malaya, Kuala Lumpur, Malaysia.
Nicholas M AnsteyGlobal and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, Northern Territory, Australia.
Taane G ClarkFaculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom. taane.clark@lshtm.ac.uk.ORCID http://orcid.org/0000-0001-8985-9265
Susana CampinoFaculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom. Susana.campino@lshtm.ac.uk.

Funding

Biotechnology and Biological Sciences Research Council BB/R013063/1Medical Research Council MR/M01360X/1Medical Research Council MR/M021157/1Medical Research Council MR/N010469/1Medical Research Council MR/R020973/1Medical Research Council MR/R025576/1
6 · The paper itself

Abstract

The zoonotic Plasmodium knowlesi parasite is the most common cause of human malaria in Malaysia. Genetic analysis has shown that the parasites are divided into three subpopulations according to their geographic origin (Peninsular or Borneo) and, in Borneo, their macaque host (Macaca fascicularis or M. nemestrina). Whilst evidence suggests that genetic exchange events have occurred between the two Borneo subpopulations, the picture is unclear in less studied Peninsular strains. One difficulty is that P. knowlesi infected individuals tend to present with low parasitaemia leading to samples with insufficient DNA for whole genome sequencing. Here, using a parasite selective whole genome amplification approach on unprocessed blood samples, we were able to analyse recent genomes sourced from both Peninsular Malaysia and Borneo. The analysis provides evidence that recombination events are present in the Peninsular Malaysia parasite subpopulation, which have acquired fragments of the M. nemestrina associated subpopulation genotype, including the DBPβ and NBPXa erythrocyte invasion genes. The NBPXb invasion gene has also been exchanged within the macaque host-associated subpopulations of Malaysian Borneo. Our work provides strong evidence that exchange events are far more ubiquitous than expected and should be taken into consideration when studying the highly complex P. knowlesi population structure.

Indexed as

AnimalsBorneoDNA, ProtozoanGenetic VariationGenotypeHaplotypesHumansMacaca fascicularisMalariaMalaysiaPlasmodium knowlesiProtozoan ProteinsWhole Genome SequencingDNA, ProtozoanProtozoan Proteins

Identifiers

PMID31285495
PMCPMC6614422

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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.