Buscar recursos académicos

Abstract Parasites of the phylum Apicomplexa are among the main etiological agents of diseases in vertebrates and invertebrates, including humans and domestic animals. In the present study, 18 specimens of Pygocentrus na...

Bovine genital campylobacteriosis, caused by the gram-negative bacteria Campylobacter fetus venerealis, and bovine trichomonosis, caused by the parasite protozoan Tritrichomonas foetus, are venereal diseases that occur w...

ABSTRACT Schistossomiasis is a parasitic disease, caused by helminths of the genus Schistosoma and transmitted in Brazil by snails of the genus Biomphalaria. The municipality of Ouro Preto do Oeste, Rondônia, in the Bra...

Abortifacient disorders in small ruminants present a serious problem for livestock farmers, leading to financial losses and lower production rates. This review examines both infectious and non-infectious factors that cau...

Abstract The Serra da Canastra National Park is a Conservation Unit where domestic dogs live near populations of maned wolves (Chrysocyon brachyurus). Recognizing the importance of parasitic diseases in endangered specie...

Abstract One of the measures to control visceral leishmaniosis (VL) in Brazil is the identification and culling of the canine reservoir. There is much controversy concerning this strategy, including the proper identifica...

Background Strongyloidiasis and Chagas disease are endemic in northern Argentina. In this study we evaluate the association between S. stercoralis and T. cruzi infections in villages with diverse prevalence levels for th...

Heme (iron protoporphyrin IX) is an important molecule involved in many biological reactions, including oxygen transport, respiration, photosynthesis and drug detoxification. Trypanosoma cruzi parasites, the etiological ...

Abstract Ticks are ectoparasites of worldwide distribution that affect vertebrates and can transmit pathogens to animals and humans. The Zoological Park Foundation of São Paulo (FPZSP) is located in a Conservation Unit ...

Objective. To analyze the results of a stool work-up protocolin a series of infants and preschoolers with acute diarrhea.Material and Methods. A cross-sectional descriptive studywas conducted between April 1999 and March...

The pathogenesis of Plasmodium falciparum malaria is linked to the variant surface antigen PfEMP1, which mediates tethering of infected erythrocytes to the host endothelium and is encoded by approximately 60 var genes pe...

Abstract Background Cryptosporidium spp. is an important intestinal protozoan parasite causing morbidity and mortality in immunocompromised patients, particularly those with HIV+/AIDS. A cross-sectional study was conduct...

Abstract Background Tick-borne encephalitis virus (TBEV, Orthoflavivirus encephalitidis) is an arbovirus of the family Flaviviridae. It is the etiological agent of tick-borne encephalitis (TBE), a severe disease affectin...

Abstract Background The ecdysone receptor (EcR) is a central regulator of mosquito physiology, best known for its role in vitellogenesis. However, its contribution to antiviral defense and dengue virus (DENV) replication...

Abstract Background In East Africa, bovine schistosomiasis, although common, is poorly appreciated and managed, detrimentally impacting upon livestock health. In certain settings, bovine schistosomiasis may be involved i...

Abstract Background Despite concerted global efforts, urogenital schistosomiasis remains an important public health challenge in sub-Saharan Africa. Understanding the local dynamics of this disease is crucial for effecti...

Kinetoplastid parasites, included Trypanosoma cruzi, the causal agent of Chagas disease, present a unique genome organization and gene expression. Although they control gene expression mainly post-transcriptionally, chro...

The presence of parasites was investigated by the examination of 1944 dog faecal samples collected from urban (n=646) and rural (n=1298) areas of the province of Neuquén, Patagonia, Argentina. Parasitic agents (PA) were...

Native populations of South America have employed herb-based preparations for the treatment of parasite diseases. In this review, some examples of South American medicinal plants from which bioactive molecules have bee...

Se informa sobre Capillaria hepatica como parásito del coipo o quiya, su sucesivo hallazgo en animales procedentes de criaderos distantes entro sí y la reproducción experimental de la enfermedad en éste y otros hospe...

Los nematodos parásitos causan enfermedades importantes al hombre y a los animales domésticos. El control de estas infecciones se apoya fundamentalmente en el tratamiento con antihelmínticos; lamentablemente, se han i...

Comprobada la parasitosis por Capillaria bursata, los autores logran reproducir la enfermedad en pollos mantenidos libres de toda infestación, dándoles a ingerir lombrices recogidas en el gallinero del que procedían l...

Chagas' disease, caused by the protozoan parasite Trypanosoma cruzi, affects 9-12 million of people in Latin America and it is an important cause of heart disease. Although transmission has been reduced, an effective the...

La dermatofilosis es una dermatitis exudativa y proliferativa causada por la bacteria Dermatophilus congolensis. La enfermedad afecta a animales salvajes y domésticos e incluso al hombre. El agente causal es una bacteri...