Twenty years of equine piroplasmosis research: Global distribution, molecular diagnosis, and phylogeny

Sharon Tirosh-Levy*, Yuval Gottlieb, Lindsay M. Fry, Donald P. Knowles, Amir Steinman

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

43 Scopus citations

Abstract

Equine piroplasmosis (EP), caused by the hemoparasites Theileria equi, Theileria haneyi, and Babesia caballi, is an important tick-borne disease of equines that is prevalent in most parts of the world. Infection may affect animal welfare and has economic impacts related to limitations in horse transport between endemic and non-endemic regions, reduced performance of sport horses and treatment costs. Here, we analyzed the epidemiological, serological, and molecular diagnostic data published in the last 20 years, and all DNA sequences submitted to GenBank database, to describe the current global prevalence of these parasites. We demonstrate that EP is endemic in most parts of the world, and that it is spreading into more temperate climates. We emphasize the importance of using DNA sequencing and genotyping to monitor the spread of parasites, and point to the necessity of further studies to improve genotypic characterization of newly recognized parasite species and strains, and their linkage to virulence.

Original languageAmerican English
Article number926
Pages (from-to)1-32
Number of pages32
JournalPathogens
Volume9
Issue number11
DOIs
StatePublished - Nov 2020

Bibliographical note

Publisher Copyright:
© 2020 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

  • Babesia caballi
  • Equine
  • Equine piroplasmosis
  • Genotyping
  • Theileria equi

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