Evidence map›Paper›PMID 32032592›Full record

ReviewInternational journal for parasitology2020

Theileria parva: a parasite of African buffalo, which has adapted to infect and undergo transmission in cattle.

W Ivan Morrison, Johanneke D Hemmink, Philip G Toye

Open access · hybridAbstract readReview
In one paragraph

Review in International journal for parasitology, 2020. 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
4.5field-weighted citation impact, top 4% 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

19 citing papers in PubMed, 1 synthesis or guideline pooled it, 34 citations in OpenAlex.

  1. Pooled it
  2. Integrative molecular and serum proteomic insights into subclinicalCurrent research in parasitology & vector-borne diseases · 2026
    Article
  3. Article
  4. A novel recombinantVeterinary world · 2024
    Article
  5. Article
  6. Article
  7. Review
  8. Review
  9. Article
  10. Article
  11. Article
  12. Antigenic Diversity inFrontiers in genetics · 2021
    Article
  13. South African Buffalo-DerivedFrontiers in genetics · 2021
    Article
  14. Article
  15. Article
  16. Microorganisms · 2020
    Article
  17. Article
  18. Review
  19. Article
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 2 countries.

W Ivan MorrisonThe Roslin Institute, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Roslin, Midlothian EH25 9RG, UK. Electronic address: ivan.morrison@roslin.ed.ac.uk.
Johanneke D HemminkThe International Livestock Research Institute, PO Box 30709, Nairobi, Kenya.
Philip G ToyeThe International Livestock Research Institute, PO Box 30709, Nairobi, Kenya.
International Livestock Research Institute · KERoslin Institute · GB

Funding

Biotechnology and Biological Sciences Research Council BB/H009515/1
6 · The paper itself

Abstract

The tick-borne protozoan parasite Theileria parva causes an acute, often fatal disease in cattle throughout a large part of eastern and southern Africa. Infection of African buffalo (Syncerus caffer) is also widespread in this region but does not cause clinical disease in this species. This difference most likely reflects the evolutionary history of the parasites in these species, in that cattle were only introduced into Africa within the last 8000 years. In both hosts, T. parva establishes a carrier state, involving persistence of small numbers of parasites for many months following the acute phase of infection. This persistence is considered important for maintaining the parasite populations. Although cattle and buffalo parasites both produce severe disease when transmitted to cattle, the buffalo-derived parasites are usually not transmissible from infected cattle. Recent studies of the molecular and antigenic composition of T. parva, in addition to demonstrating heterogeneity in the populations in both host species, have revealed that infections in individual animals are genotypically mixed. The results of these studies have also shown that buffalo T. parva exhibit much greater genotypic diversity than the cattle population and indicate that cattle parasites represent a subpopulation of T. parva that has adapted to maintenance in cattle. The parasites in cattle and buffalo appear to be maintained largely as separate populations. This insight into the genotypic composition of T. parva populations has raised important questions on how host adaptation of the parasite has evolved and whether there is scope for further adaptation of buffalo-maintained populations to cattle.

Indexed as

Theileria parvaAfricaAnimalsArachnid VectorsBuffaloesCarrier StateCattleCattle DiseasesDisease ReservoirsGenetic VariationHost-Parasite InteractionsPhylogenyTheileriasisTicksAfrican buffaloCattleGenetic diversityTheileria parvaTick transmission

Identifiers

PMID32032592
PMCPMC7294229
OpenAlexW3004927099

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.