Hepatozoon spp. in stray cats from the metropolitan area of Rio de Janeiro, Brazil

In the last few years, the number of studies on feline hepatozoonosis has increased, but our knowledge on the actual species of Hepatozoon and/or different genotypes affecting felines is still incipient. At least three species, namely Hepatozoon felis, H. canis, and H. silvestris, have been isolated...

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Published in:Parasite (Paris) 2024, Vol.31, p.24-24
Main Authors: Traversa, Donato, Di Cesare, Angela, Morelli, Simone, Paoletti, Barbara, Grillini, Marika, di Regalbono, Antonio Frangipane, da Silva de Mattos Queiroz, Aline, Beugnet, Frederic, Brustenga, Leonardo, Milillo, Piermarino, Antunes Barros, Luciano
Format: Article
Language:English
Subjects:
Animals
brazil
Brazil - epidemiology
Cat Diseases - epidemiology
Cat Diseases - parasitology
Cats
Coccidiosis - epidemiology
Coccidiosis - parasitology
Coccidiosis - veterinary
DNA, Protozoan
Eucoccidiida - classification
Eucoccidiida - genetics
Eucoccidiida - isolation & purification
Female
Genotype
hepatozoonosis
Male
pcr
Phylogeny
Polymorphism, Genetic
tick-borne diseases
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Summary:In the last few years, the number of studies on feline hepatozoonosis has increased, but our knowledge on the actual species of Hepatozoon and/or different genotypes affecting felines is still incipient. At least three species, namely Hepatozoon felis, H. canis, and H. silvestris, have been isolated from domestic cats in various countries. Additionally, there are indications that other species and genotypes may affect felines in given geographic areas. This study was carried out to investigate the occurrence of Hepatozoon spp. in cats from Niterói, a municipality within the metropolitan area of Rio de Janeiro, Brazil. Individual blood samples were collected from 28 cats enrolled in a spaying/castration program. DNA was extracted from all samples and subjected to sequencing specific for Hepatozoon spp. DNA of H. felis was found in 21/28 cats (75%), and four genetic polymorphisms never described thus far were detected. This is the first report of H. felis in cats living in the State of Rio de Janeiro, and the present data confirm that H. felis is a species complex encompassing different genotypes circulating within cat populations. Further studies are warranted to investigate whether different genotypes have different biology or pathogenicity for felids.
ISSN:1776-1042
1252-607X
1776-1042
DOI:10.1051/parasite/2024026