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Isospora tiedetopetei n. sp. (Chromista: Apicomplexa: Eimeriidae) from black-goggled tanagers Trichothraupis melanops (Vieillot, 1818) (Passeriformes: Thraupidae: Tachyphoninae) in South America.
Parasitol Int
January 2025
Departamento de Biologia Animal, Instituto de Ciências Biológicas e da Saúde, Universidade Federal Rural do Rio de Janeiro, BR-465 km 7, 23897-000 Seropédica, Rio de Janeiro, Brazil.
Black-goggled tanagers Trichothraupis melanops (Vieillot, 1818) are passerine birds commonly observed in the Brazilian Atlantic Forest, Argentina and Paraguay. Tanagers are among the passerines with the highest prevalence and density of coccidian parasites, mainly due to their frugivorous feeding habits that favor fecal-oral transmission. In this context, the current study identifies a new species of Isospora Schneider, 1881 parasitizing black-goggled tanagers captured in the Itatiaia National Park, a protected area with a high degree of vulnerability in Southeastern Brazil.
View Article and Find Full Text PDFBovine PMN responses to extracellular vesicles released by tachyzoites and -infected host cells.
Front Immunol
January 2025
Institute of Parasitology, Justus Liebig University Giessen, Giessen, Germany.
Bovine besnoitiosis is a re-emerging cattle disease caused by the apicomplexan parasite , which severely affects individual animal welfare and profitability in cattle industry. We recently showed that tachyzoite exposure to bovine polymorphonuclear neutrophils (PMN) effectively triggers neutrophil extracellular trap (NET) formation, leading to parasite immobilization hampering host cell infection. So far, the triggers of this defense mechanism remain unclear.
View Article and Find Full Text PDFIdentification of in wild rodents in Poland by molecular and serological techniques.
Ann Agric Environ Med
December 2024
Medical University of Gdańsk, Poland.
Rodents are recognized as reservoirs for , playing a crucial role in maintaining the parasite's presence in the environment. Biomonitoring was conducted to assess the role of sylvatic rodents in maintaining , and to analyse the prevalence and seroprevalence of the parasite in seven wild rodent species. Rodents were collected in an open grassland study site located in northeastern Poland, and dissected.
View Article and Find Full Text PDFIn silico identification and ex vivo evaluation of Toxoplasma gondii peptides restricted to HLA-A*02, HLA-A*24 and HLA-B*35 alleles in human PBMC from a Colombian population.
Med Microbiol Immunol
December 2024
Grupo de Estudio en Parasitología Molecular (GEPAMOL), Faculty of Health Sciences, Centro de Investigaciones Biomédicas, Universidad del Quindío, Quindio, Armenia, Colombia.
Toxoplasma gondii infects approximately 30% of the population, and there is currently no approved vaccine. Identifying immunogenic peptides with high affinity to different HLA molecules is a promising vaccine strategy. This study used an in silico approach using artificial neural networks to identify T.
View Article and Find Full Text PDFMulticopy subtelomeric genes underlie animal infectivity of divergent Cryptosporidium hominis subtypes.
Nat Commun
December 2024
State Key Laboratory for Animal Disease Control and Prevention, Center for Emerging and Zoonotic Diseases, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China.
The anthroponotic Cryptosporidium hominis differs from the zoonotic C. parvum in its lack of infectivity to animals, but several divergent subtypes have recently been found in nonhuman primates and equines. Here, we sequence 17 animal C.
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