Historic importance of some aspects of research by O. Wilford Olsen on hookworms (Uncinaria lucasi) in northern fur seals (Callorhinus ursinus) and Steller sea lions (Eumatopias jubatus) in 1951 on St. Paul Island, Alaska.

abstract：:The migratory response of peripheral blood granulocytes and monocytes from the European eel Anguilla anguilla (L.) to infective larvae of the swimbladder nematode Anguillicola crassus Kuwahara, Niimi and Hagaki, 1974 was examined by means of light microscopical histology and with an in vitro assay using a modified Boy...

journal_title：Parasitology research

authors： Knopf K,Madriles Helm A,Lucius R,Bleiss W,Taraschewski H

更新日期：2008-05-01 00:00:00

abstract：:Saprophytic soil fungi can exert ovicidal and ovistatic effects on helminths with differing degrees of efficiency. The representatives of such fungi from temperate regions, Paecilomyces lilacinus (Thom) Samson and P. marquandii (Masse) Hughes, exhibit recognized ovicidal activity on some nematodes. We evaluated the ac...

journal_title：Parasitology research

authors： Basualdo JA,Ciarmela ML,Sarmiento PL,Minvielle MC

更新日期：2000-10-01 00:00:00

abstract：:Investigation of the ultrastructure of Protonaegleria westphali has been carried out by means of scanning electron microscopy (SEM) and transmission electronmicroscopy (TEM). SEM investigation demonstrated much enlarged trophozoites, flagellates and cysts corresponding to those under light microscopical observation. I...

journal_title：Parasitology research

authors： Michel R,Raether W,Schupp E

更新日期：1987-01-01 00:00:00

abstract：:Tick proteins have been shown to be useful for the development of vaccines which reduce tick infestations. Potential tick protective antigens have been identified and characterized, in part, by use of RNA interference (RNAi). RNAi allows for analysis of gene function by characterizing the impact of loss of gene expres...

journal_title：Parasitology research

authors： de la Fuente J,Almazán C,Naranjo V,Blouin EF,Kocan KM

更新日期：2006-07-01 00:00:00

abstract：:This study is part of an effort to document the diversity of avian schistosomes in ducks and snails in Northern Iran, a major flyway (Black Sea/Mediterranean) for migratory birds and where cercarial dermatitis (CD) is prevalent in rice growing areas. CD is an allergic skin reaction from schistosome trematodes that eme...

journal_title：Parasitology research

authors： Ashrafi K,Nouroosta A,Sharifdini M,Mahmoudi MR,Rahmati B,Brant SV

更新日期：2018-12-01 00:00:00

abstract：:Sarcocysts were detected in routinely processed histological sections of skeletal muscle, but not cardiac muscle, of two adult male otters (Lutra lutra; Mustelidae) from northern Norway following their post-mortem examination in 1999 and 2000. The sarcocysts were slender, spindle-shaped, up to 970 μm long and 35-70 μm...

journal_title：Parasitology research

authors： Gjerde B,Josefsen TD

更新日期：2015-03-01 00:00:00

abstract：:Sticky traps were mounted on heifers and sheep to assess Culicoides spp. (Diptera: Ceratopogonidae) host preference. Initially, four coloured 200-cm(2) sticky traps (white, clear, yellow and blue) were attached to the backs of each of ten Friesian heifers that were released into open pasture for 24 h, repeated on six ...

journal_title：Parasitology research

authors： Thompson GM,Jess S,Gordon AW,Murchie AK

更新日期：2014-08-01 00:00:00

abstract：:Spermiogenesis and spermatozoon ultrastructure of the caryophyllidean cestode Breviscolex orientalis Kulakovskaya, 1962, first member of the family Capingentidae studied, a parasite of cyprinid fish Abbottina rivularis, are described using transmission electron microscopy. Spermiogenesis in B. orientalis follows the T...

journal_title：Parasitology research

authors： Yoneva A,Levron C,Oros M,Orosová M,Scholz T

更新日期：2011-04-01 00:00:00

abstract：:Sarcocystis sarcocysts are common in muscles of herbivores but are rare in muscles of carnivores. Here, we report sarcocysts in the muscles of a gray wolf (Canis lupus) from Alaska, USA, for the first time. Sarcocysts extracted from the tongue of the wolf were up to 900 μm long and slender and appeared to have a relat...

journal_title：Parasitology research

authors： Calero-Bernal R,Cerqueira-Cézar CK,Verma SK,Mowery J,Carmena D,Beckmen K,Dubey JP

更新日期：2016-07-01 00:00:00

abstract：:A total of 37 juvenile Etmopterus spinax from the Norwegian Deep were examined for stomach contents and metazoan ecto- and endoparasites. These squaliform elasmobranchs were caught by benthopelagic net in May 2001 at a depth of 194-214 m. The euphausiid Meganyctiphanes norvegica and the teleost Maurolicus muelleri wer...

journal_title：Parasitology research

authors： Klimpel S,Palm HW,Seehagen A

更新日期：2003-03-01 00:00:00

abstract：:Climate change with an increase in average temperature may be responsible for propagation of temperature-dependent vectors and/or vector-associated pathogens in regions that were previously not endemic. The analysis of climate data of Brandenburg state (Germany) had showed that the extrinsic development of Dirofilaria...

journal_title：Parasitology research

authors： Sassnau R,Genchi C

更新日期：2013-07-01 00:00:00

abstract：:On the basis of information acquired from local health authorities in Evora district of Portugal on cases of visceral leishmaniasis (VL), an epidemiology survey study was conducted. To determine the prevalence of anti-Leishmania antibodies in the local human and canine populations residing in Evora town and 14 adjacen...

journal_title：Parasitology research

authors： Semião-Santos SJ,el Harith A,Ferreira E,Pires CA,Sousa C,Gusmão R

更新日期：1995-01-01 00:00:00

abstract：:We assessed the cellular immunological responses to two Plasmodium falciparum liver-stage antigen (LSA)-1-derived T-cell epitopes in healthy Gabonese children and adults. The N-terminal peptide, designated T1, induced interferon (IFN)-gamma production in peripheral blood mononuclear cells (PBMC) from a significantly l...

journal_title：Parasitology research

authors： Bongartz M,Rezbach P,Borrmann S,Hollingdale MR,Kremsner PG,Luty AJ

更新日期：2002-12-01 00:00:00

abstract：:Nanotechnology is a broad interdisciplinary area of research, development, and industrial activity that has been growing rapidly worldwide for the past decade. More ambitious uses of nanoparticles are bioremediation of contaminated environments, controlled release of fragrances, biocides, and antifungals on textiles. ...

journal_title：Parasitology research

authors： Barik TK,Sahu B,Swain V

更新日期：2008-07-01 00:00:00

abstract：:Neodiplostomum americanum Chandler and Rausch, 1947 has been reported from six species of owls in North America. At present, there are no molecular data for this species and gene sequence data from Neodiplostomum Railliet, 1919 are limited. A freshly deceased specimen of the Great Horned Owl Bubo virginianus Gmelin, 1...

journal_title：Parasitology research

authors： Woodyard ET,Rosser TG,Griffin MJ

更新日期：2017-08-01 00:00:00

abstract：:Trypanosoma cruzi virulence factors include molecules expressed on the cell surface as well as those secreted or shed into the extracellular medium. Phosphatase activities modulate different aspects of T. cruzi infection, although no studies to date addressed the presence and activity of phosphatases in vesicles secre...

journal_title：Parasitology research

authors： Neves RF,Fernandes AC,Meyer-Fernandes JR,Souto-Padrón T

更新日期：2014-08-01 00:00:00

abstract：:Multiple schistosome and soil-transmitted nematode infections are frequently reported in human populations living in tropical areas of developing countries. In addition to exposure factors, the host immune response plays an important role in helminth control and morbidity in hosts with multiple infections; however, th...

journal_title：Parasitology research

authors： de Rezende MC,Araújo ES,Moreira JM,Rodrigues VF,Rodrigues JL,Pereira CA,Negrão-Corrêa D

更新日期：2015-12-01 00:00:00

abstract：:Avian blood parasites have been shown to have significant health effects on avifauna worldwide. Sri Lanka, a tropical island rich with resident and migratory birds, has not been properly evaluated for avian blood parasites or their vectors. We investigated the presence of avian haemoparasites in Sri Lankan birds and t...

journal_title：Parasitology research

authors： Chathuranga WGD,Fernando BR,Weereratne TC,Karunaratne SHPP,De Silva WAPP

更新日期：2021-01-16 00:00:00

abstract：:The development of the metacestode stages of Arostrilepis microtis (Eucestoda: Hymenolepididae) studied on the basis of an experimental infection of springtails (Collembola: Entomobryidae) is described for the first time. A complete description of the ontogeny from oncosphere to fully a developed metacestode is given....

journal_title：Parasitology research

authors： Ishigenova LA,Berezina OG,Makarikov AA

更新日期：2018-08-01 00:00:00

abstract：:Hepatic enzymes and biochemical parameter values were analysed in the sera of 32 lambs: 12 infected with 1,000 Dicrocoelium dendriticum metacercariae, 12 with 3,000 and eight controls. Blood samples were collected at intervals of 30 days from day 0 post-infection (p.i.). Half the lambs in each group were slaughtered o...

journal_title：Parasitology research

authors： Manga-González MY,Ferreras MC,Campo R,González-Lanza C,Pérez V,García-Marín JF

更新日期：2004-08-01 00:00:00

abstract：:An endopeptidase specific to the Plasmodium falciparum erythrocytic schizont stage and to free merozoites was detected using the fluorogenic GlcA-Val-Leu-Gly-Lys(or Arg)-AEC substrate. The enzyme was purified by high performance liquid chromatography (HPLC); its optimal activity was around pH 7.5 and its isoelectric p...

journal_title：Parasitology research

authors： Grellier P,Picard I,Bernard F,Mayer R,Heidrich HG,Monsigny M,Schrével J

更新日期：1989-01-01 00:00:00

abstract：:The development of the fourth larval stage (L4) of Anisakis physeteris was studied using scanning electron microscopy (SEM), comparing it with third larval stage (L3) recently obtained from the host fish, blue whiting (Micromesistius poutassou), from the western Mediterranean Sea (east coast of Spain, zone FAO 37.1.1)...

journal_title：Parasitology research

authors： Molina-Fernández D,Adroher FJ,Benítez R

更新日期：2018-07-01 00:00:00

abstract：:Amebic cysteine protease 2 (EhCP2) was purified from ethyl ether extracts of axenically grown trophozoites of Entamoeba histolytica strain HM1-IMSS. The purification procedure involved molecular filtration and electroelution. Sequence analysis of the purified product revealed EhCP2 and ubiquitin(s). Electrophoretic mi...

journal_title：Parasitology research

authors： Olivos-García A,González-Canto A,López-Vancell R,García de León Mdel C,Tello E,Nequiz-Avendaño M,Montfort I,Pérez-Tamayo R

更新日期：2003-06-01 00:00:00

abstract：:This paper reports results of the first cytogenetic study carried out on a recently described monozoic tapeworm, Khawia saurogobii Xi et al., 2009, from the Chinese lizard gudgeon (Saurogobio dabryi). The karyotype of this species is composed of eight pairs of metacentric and telocentric chromosomes (2n = 16; n = 3m +...

journal_title：Parasitology research

authors： Orosová M,Marec F,Oros M,Xi BW,Scholz T

更新日期：2010-02-01 00:00:00

abstract：:Effectiveness of an oral combination of toltrazuril and iron dextran (Baycox(®) Iron) to maintain weaning weight by preventing coccidiosis caused by Isospora suis and iron-deficiency anaemia in neonatal piglets was investigated on three commercial pig farms with a history of coccidiosis: two in Mexico and one in Brazi...

journal_title：Parasitology research

authors： Streyl K,Carlstron J,Dantos E,Mendoza R,Islas JA,Bhushan C

更新日期：2015-08-01 00:00:00

abstract：:In the search of alternatives for the control of mosquitoes of medical importance, we evaluated the larvicidal activity of micronized suspensions of calcium hydroxide [Ca(OH)₂] against Aedes aegypti and Culex quinquefasciatus. Tests conducted under laboratory conditions determined a LC50 = 0.027% (LC90 = 0.096%) for A...

journal_title：Parasitology research

authors： Estrada-Aguilar A,Sánchez-Manzano RM,Martínez-Ibarra JA,Camacho AD,Márquez-Navarro A,Nogueda-Torres B

更新日期：2012-03-01 00:00:00

abstract：:Toxoplasma gondii, the agent of toxoplasmosis, is an intracellular parasite that can infect a wide range of vertebrate hosts. Toxoplasmosis causes severe damage to immunocompromised hosts and its treatment is mainly based on the combination of pyrimethamine and sulfadiazine, which causes relevant side effects primaril...

journal_title：Parasitology research

authors： Portes JA,De Souza W

更新日期：2019-12-01 00:00:00

abstract：:Cattle tick (Rhipicephalus microplus) is an important constraint on livestock production, particularly in tropical and subtropical areas. Synthetic acaricides are the primary method of control this thick. Resistance of R. microplus to synthetic acaricides has given rise to the need of new scientific investigations on ...

journal_title：Parasitology research

authors： Pereira SG,de Araújo SA,Guilhon GMSP,Santos LS,Junior LMC

更新日期：2017-05-01 00:00:00

abstract：:Experimental concurrent infection with two or more parasite species in mammalian host models may result in heterologous antagonistic and synergistic interactions ranging in magnitude from reduced/enhanced growth and fecundity to blockage/enhancement of establishment/expulsion. With some exceptions only, there is a rea...

journal_title：Parasitology research

authors： Christensen NO,Nansen P,Fagbemi BO,Monrad J

更新日期：1987-01-01 00:00:00

abstract：:Four controlled studies, one each in Australia, Germany, the United Kingdom, and the United States, involving 30 calves each were conducted to evaluate the effect of simulated rainfall on the efficacy of Ivomec Pour-On against infections of Cooperia spp. At 3 weeks before treatment the calves were infected orally with...

journal_title：Parasitology research

authors： Rehbein S,Barrick RA,Batty AF,Drag MD,Rolfe PF,Cox JL

更新日期：1999-08-01 00:00:00