ArticleParasitology research2019
Phylogenetic analysis of Theileria equi and Babesia caballi sequences from thoroughbred mares and foals in Trinidad.
Article in Parasitology research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 25 citations in OpenAlex.
- Epidemiology and genetic diversity of Theileria equi and Babesia caballi in draft horses in the Distrito Federal, Brazil.Tropical animal health and production · 2025Article
- The Piroplasmida Babesia, Cytauxzoon, and Theileria in farm and companion animals: species compilation, molecular phylogeny, and evolutionary insights.Parasitology research · 2022Review
- Ticks and Tick-Borne Diseases in Central America and the Caribbean: A One Health Perspective.Pathogens (Basel, Switzerland) · 2021Review
- Twenty Years of Equine Piroplasmosis Research: Global Distribution, Molecular Diagnosis, and Phylogeny.Pathogens (Basel, Switzerland) · 2020Review
- Ticks and Tick-Borne Diseases in Cuba, Half a Century of Scientific Research.Pathogens (Basel, Switzerland) · 2020Review
- Parasite load and genotype are associated with clinical outcome of piroplasm-infected equines in Israel.Parasites & vectors · 2020Article
- Transplacental Transmission ofAnimals : an open access journal from MDPI · 2020Article
- Viral Diversity of Tick Species Parasitizing Cattle and Dogs in Trinidad and Tobago.Scientific reports · 2019Article
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Authors and funding
5 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The agents of equine piroplasmosis, Theileria equi and Babesia caballi, are endemic in Trinidad, West Indies. While transmission is mainly by ixodid ticks, transplacental transmission of T. equi has also been reported. This disease has contributed to foetal losses as well as morbidity and mortality of neonatal foals and adult horses. Previous 18S rRNA-based phylogenetic studies indicated a noticeable degree of variation within and among B. caballi and T. equi isolates from different geographical regions. The objective of this study was to evaluate the diversity of T. equi and B. caballi obtained from horses in Trinidad by amplifying a region of the 18S rRNA gene. The phylogenetic trees for T. equi sequences obtained from horses in 2006 and 2011-2013 revealed that Trinidad sequences were of genotype A. Additionally, all of the B. caballi sequences from Trinidad were grouped together with other B. caballi sequences of genotype A. However, T. equi sequences from horses in Saint Kitts and Nevis clustered with sequences of genotype C. This study also identified two genotypes of T. equi in the equine population of Brazil. All of the T. equi and B. caballi sequences obtained from horses in Trinidad belong to genotype A and were similar to T. equi and B. caballi sequences of the same genotype that were submitted to GenBank™ databases. Countries in close proximity to Trinidad have T. equi sequences belonging to genotype C; therefore, movement of horses between these countries can introduce a new genotype of T. equi into the equid population of Trinidad.
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