Journal of Parasitology
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Acaricide activity in vitro of Acmella oleracea against Rhipicephalus microplus.
These results demonstrate that the hexane extract of A. oleracea has significant activity against R. microplus and has potential to be developed into formulations for tick control....
Some secrets are revealed: parasitic keratitis amoebae as vectors of the scarcely described pandoraviruses to humans.
We have clearly demonstrated how easily such (viral) endocytobionts can be transferred to humans. This case counts as an example of parasites acting as vectors of phylogenetically different microorganisms especially when living sympatric within their biocoenosis of biofilms. As the third part of the...
Impact of humidity on clustered tick eggs.
Eclosion of larvae from clustered tick eggs (1, 5, 10, 15, 20, 25, 50, and ±1,000 eggs) of Rhipicephalus sanguineus (Rs), Rhipicephalus microplus (Rm), Amblyomma cajennense (Ac), and Dermacentor nitens (Dn) was investigated at 43, 75, and > 98 % relative humidity (RH) and 25 °C. Susceptibility of eg...
Faecal egg counts from field experiment reveal density dependence in helminth fecundity: Strongyloides robustus infecting grey squirrels (Sc...
We addressed this issue using Eastern grey squirrels (Sciurus carolinensis) and their gastrointestinal nematode Strongyloides robustus to assess the performance of coprological techniques and to investigate factors affecting parasite fecundity. We compared results of gut examination, flotation and M...
Predatory activity of the fungus Duddingtonia flagrans in equine strongyle infective larvae on natural pasture in the Southern Region of Bra...
Biological control is an alternative method to reduce the population of parasites through natural predators. A promising option of biological control in the reduction of infective larvae on pasture is the use of nematophagous fungi. In this study, the efficacy of the nematophagous fungus Duddingtonia...
The study of apoptotic bifunctional effects in relationship between host and parasite in cystic echinococcosis: a new approach to suppressio...
Cystic echinococcosis (hydatidosis) is a zoonotic helminthic disease of human and other intermediated hosts wherein infection is caused by the larval stages of tapeworm Echinococcus granulosus. Growth of the larval stage is formed throughout the internal organs, the liver and lung, c...
MOLECULAR SURVEY OF APICOMPLEXA IN PODARCIS WALL LIZARDS DETECTS HEPATOZOON, SARCOCYSTIS AND EIMERIA SPECIES.
Abstract The occurrence of Apicomplexan parasites in Podarcis wall lizards from the Iberian Peninsula and Balearic islands was studied by amplification and sequencing of the 18S rRNA gene. Species from three genera, Hepatozoon, Sarcocystis and Eimeria were detected. The phylogeneti...
Redescription of Corallobothrium solidum (Cestoda: Proteocephalidea) and erection of a new genus, Essexiella, for tapeworms from channel cat...
The proteocephalidean tapeworm, Corallobothrium solidum, type species of the genus, is redescribed on the basis of the examination of its type specimens and extensive material recently collected from Malapterurus electricus (type host). Some morphological characteristics of taxonomic importance are...
Oocyst ingestion as an important transmission route of Toxoplasma gondii in Brazilian urban children.
We conducted a serological survey for T. gondii IgG antibodies and associated risk factors in 1,217 children 4-11-yr-old from Salvador, Brazil, using a commercial ELISA kit; antibodies were found in 17.5% of the children. Age (OR = 2.18; 95% CI: 1.50-3.17) and maternal schooling level (OR = 0.62...
Scanning electron microscope observations on the monogenean parasite Paraquadriacanthus nasalis from the nasal cavities of the freshwater fi...
Surface features of the monogenean Paraquadriacanthus nasalis Ergens, 1988 (quoted by Kritsky, 1990) inhabiting the nasal cavities of the freshwater fish Clarias gariepinus were studied for the first time using scanning electron microscopy. The anterior adhesive areas possess two sli...