ArticleParasite (Paris, France)2020
Detection and genotypes of Toxoplasma gondii DNA in feces of domestic cats in Colombia.
Article in Parasite (Paris, France), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 11 citations in OpenAlex.
- PCR detection ofFood and waterborne parasitology · 2026Article
- Outdoor roaming of owned cats elevates risk of zoonotic pathogen exposure: A global synthesis.PLoS pathogens · 2026Article
- Comprehensive diagnostic approaches to feline toxoplasmosis: Bridging traditional methods and emerging technologies.Virulence · 2025Review
- Serological and molecular detection ofFood and waterborne parasitology · 2025Article
- High prevalence and diversity of Toxoplasma gondii DNA in feral cat feces from coastal California.PLoS neglected tropical diseases · 2023Article
- Molecular diagnosis of intestinal protozoa in young adults and their pets in Colombia, South America.PloS one · 2023Article
- Foodborne Parasitic Diseases in the Neotropics - A Review.Helminthologia · 2021Article
- High frequency of ocular toxoplasmosis in Quindío, Colombia and risk factors related to the infection.Heliyon · 2021Article
- First Detection of Toxoplasma gondii DNA in a Wild Bat from Colombia.Acta parasitologica · 2020Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The high prevalence of Toxoplasma gondii in the human population in Colombia has been linked to the existence of a high density of urban stray cats, exposing the whole population to a high density of oocysts. The goal of this study was to determine the DNA prevalence of T. gondii by conventional PCR and to phylogenetically analyze ROP18 sequences from positive samples in domestic cat (Felis catus) fecal samples in the city of Armenia, Quindío. Fecal samples from 140 cats were collected from 10 districts around the city. Samples were concentrated using Ritchie's method and analyzed through optical microscopy. Concentrates were used for DNA extraction followed by nested PCR amplification for T. gondii gene B1. PCR for ROP18 was performed on all B1 positive samples; the ROP18 sequences obtained were related to the Archetype I Brazilian and Chinese strains. No oocysts were detected by optical microscopy; however, 17.8% (25/140) B1 and 24% (6/25) ROP18 PCR-positive samples were detected. Phylogenetic analyses showed that isolates clustered into a single group. We assessed whether associations existed between T. gondii positive fecal samples and survey variables such as cat healthcare and socioeconomic characteristics of owners, but no statistically significant associations were found. The presence of T. gondii in cat feces is an important factor contributing to the high prevalence in the human population of this city.
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