Magnetic resonance imaging in dogs with neuroangiostrongyliasis (rat lungworm disease).

abstract：:If the deleterious effects of non-specific parasites are greater on vulnerable host species than on reservoir host species then exclusion of the vulnerable host through apparent competition is more likely. Evidence suggests that such a mechanism occurs in interactions between the ring-necked pheasant (Phasianus colchi...

journal_title：Parasitology

authors： Tompkins DM,Greenman JV,Hudson PJ

更新日期：2001-02-01 00:00:00

abstract：:Of the 7 genetic assemblages of the parasite Giardia duodenalis only 2 (A and B) are known to cause infections in humans. These assemblages have been characterized in detail at the genomic level but few studies have examined differences in the proteins expressed. Employing one and two-dimensional PAGE we have identifi...

journal_title：Parasitology

authors： Steuart RF,O'Handley R,Lipscombe RJ,Lock RA,Thompson RC

更新日期：2008-12-01 00:00:00

abstract：:Strongyloides ratti is a parasitic nematode of rats. The host immune response against S. ratti affects the development of its free-living generation, favouring the development of free-living adult males and females at the expense of directly developing, infective 3rd-stage larvae. However, how the host immune response...

journal_title：Parasitology

authors： Crook M,Viney ME

更新日期：2005-09-01 00:00:00

abstract：:The period 1875-1925 was remarkable in the history of parasitology mainly for the elucidation of the life cycles of parasites causing important parasitic diseases and the incrimination of vectors in their transmission. These discoveries were made by a small number of scientists working in the tropics a number of whom ...

journal_title：Parasitology

authors： Cox FEG

更新日期：2017-10-01 00:00:00

abstract：:A 186 bp Echinococcus granulosus-specific repetitive element, TREg, was used to assess genetic variation between strains. In G7 genotype (pig strain) it has the characteristics of a satellite DNA element with a copy number of 23000 per haploid genome. Analysis, by sequencing of TREg monomers, showed a great degree of ...

journal_title：Parasitology

authors： Rosenzvit MC,Canova SG,Kamenetzky L,Guarnera EA

更新日期：2001-10-01 00:00:00

abstract：:We have cloned a cDNA encoding a novel antigen from a Sarcoptes scabiei (Acari) cDNA library by immunoscreening with sera from S. scabiei-infected dogs. The antigen is encoded by a 2,157 bp mRNA with a predicted open reading frame of 719 amino acids (molecular weight 79 kDa). Our sequence analysis identified the prese...

journal_title：Parasitology

authors： Ljunggren EL,Bergström K,Morrison DA,Mattsson JG

更新日期：2006-01-01 00:00:00

abstract：:In areas where malaria is endemic, helminthic infections, caused by intestinal or filarial parasites, commonly coexist with malaria in the same individual. This study investigates the course of Plasmodium berghei malaria infection in CBA/J mice inoculated with irradiated attenuated 3rd-stage larvae (L3) of Brugia paha...

journal_title：Parasitology

authors： Yan Y,Inuo G,Akao N,Tsukidate S,Fujita K

更新日期：1997-04-01 00:00:00

abstract：:A key issue relating to developing multi-component anti-malarial vaccines, lies in studying Plasmodium vivax surface proteins' genetic variation. The present work was aimed at amplifying, cloning and sequencing the gene encoding P. vivax merozoite surface protein 5 (PvMSP5) in samples obtained from infected patients f...

journal_title：Parasitology

authors： Gomez A,Suarez CF,Martinez P,Saravia C,Patarroyo MA

更新日期：2006-12-01 00:00:00

abstract：:The genetic basis of virulence in a line (YM) of Plasmodium yoelii yoelii was investigated in a cross with a mild line (A/C). The blood forms of the virulent line developed extensively in mature erythrocytes of mice, causing death of the host within 7 days; infections with the mild line were normally restricted to ret...

journal_title：Parasitology

authors： Walliker D,Sanderson A,Yoeli M,Hargreaves BJ

更新日期：1976-04-01 00:00:00

abstract：:The development of resistance in mice to reinfection with Schistosoma mansoni was recorded during an early chronic infection, and compared with hepatic portal pathological and vascular changes. The latter were assessed using a microsphere injection technique. The degree of acquired resistance was directly dependent on...

journal_title：Parasitology

authors： McHugh SM,Coulson PS,Wilson RA

更新日期：1987-02-01 00:00:00

abstract：:Nitric oxide (NO) produced by cytokine-activated macrophages is reported to be cytotoxic against the helminth Schistosoma mansoni, although this is a controversial issue. Previous work in our laboratory identified a fraction of S. mansoni soluble adult worm antigenic preparation (SWAP), named PIII, able to elicit sign...

journal_title：Parasitology

authors： Oliveira DM,Silva-Teixeira DN,Gustavson S,Oliveira SM,Goes AM

更新日期：2000-04-01 00:00:00

abstract：:Since 2004 there has been a remarkable increment in our knowledge of the proteins and glycans that reside at, or are released from the surfaces of schistosomes in the mammalian host. Initial characterization of the soluble proteome permits distinctions to be made between the parasite secretome and its necrotome. The p...

journal_title：Parasitology

authors： Wilson RA

更新日期：2012-08-01 00:00:00

abstract：:Intraerythrocytic malaria parasites ingest the cytosol of their host cell and digest it inside their acid food vacuoles. Acidified (pH 4-5.5, 37 degrees C) human red blood cell lysates were used to simulate this process, measuring the denaturation of haemoglobin (Hb) and the release of iron, in the absence or presence...

journal_title：Parasitology

authors： Gabay T,Krugliak M,Shalmiev G,Ginsburg H

更新日期：1994-05-01 00:00:00

abstract：:Previous studies of mating interactions between schistosome species from different evolutionary lineages in mice showed that mating is not random: heterospecific pairs form but, given the choice, the preference is for homospecific partners. Mating competition and change of mate were also demonstrated. Schistosoma mans...

journal_title：Parasitology

authors： Cosgrove CL,Southgate VR

更新日期：2002-09-01 00:00:00

abstract：:The amitochondriate parasitic protist Trichomonas vaginalis can utilize either glucose or maltose as carbon and energy source. The mechanisms of maltose utilization were explored with uptake experiments using radio-isotope labelled maltose in combination with the silicone-oil centrifugation technique and enzymatic ass...

journal_title：Parasitology

authors： ter Kuile BH,Müller M

更新日期：1995-01-01 00:00:00

abstract：:The efficiency of treatment of human infections with the unicellular eukaryotic pathogens such as fungi and protozoa remains deeply unsatisfactory. For example, the mortality rates from nosocomial fungemia in critically ill, immunosuppressed or post-cancer patients often exceed 50%. A set of six systemic clinical azol...

journal_title：Parasitology

authors： Lepesheva GI,Friggeri L,Waterman MR

更新日期：2018-12-01 00:00:00

abstract：:Parasites of the genera Plasmodium and Haemoproteus (Apicomplexa: Haemosporida) are a diverse group of pathogens that infect birds nearly worldwide. Despite their ubiquity, the ecological and evolutionary factors that shape the diversity and distribution of these protozoan parasites among avian communities and geograp...

journal_title：Parasitology

authors： Fecchio A,Svensson-Coelho M,Bell J,Ellis VA,Medeiros MC,Trisos CH,Blake JG,Loiselle BA,Tobias JA,Fanti R,Coffey ED,DE Faria IP,Pinho JB,Felix G,Braga EM,Anciães M,Tkach V,Bates J,Witt C,Weckstein JD,Ricklefs RE,

更新日期：2017-06-01 00:00:00

abstract：:Changes in host phenotype are often attributed to manipulation that enables parasites to complete trophic transmission cycles. We characterized changes in host phenotype in a colonial host–endoparasite system that lacks trophic transmission (the freshwater bryozoan Fredericella sultana and myxozoan parasite Tetracapsu...

journal_title：Parasitology

authors： Hartikainen H,Fontes I,Okamura B

更新日期：2013-09-01 00:00:00

abstract：:Neospora caninum infection is a significant cause of abortion in cattle. We investigated the tissue distribution of N. caninum in aborted bovine fetuses and dam blood samples by a nested PCR assay, and compared the nested PCR with ELISA in the diagnosis of N. caninum infection. In total, 26 aborted fetuses and 813 blo...

journal_title：Parasitology

authors： Yao L,Yang N,Liu Q,Wang M,Zhang W,Qian WF,Hu YF,Ding J

更新日期：2009-09-01 00:00:00

abstract：:A large database on the transmission of a stabilate of the Theileria parva Muguga stock from one breed of cattle using two stocks of Rhipicephalus appendiculatus, Muguga and Ol Pejeta was developed and analysed. Factors associated with the ticks and cattle, and the infections developing in cattle were studied in relat...

journal_title：Parasitology

authors： Young AS,Dolan TT,Morzaria SP,Mwakima FN,Norval RA,Scott J,Sherriff A,Gettinby G

更新日期：1996-09-01 00:00:00

abstract：:Traditionally, the family Campulidae has been associated either with the family Fasciolidae, parasites of ruminants, or the Acanthocolpidae, parasites of fishes, based on morphological similarities. Since morphology does not seem to resolve clearly the problem of the relationships of campulids, we have used the sequen...

journal_title：Parasitology

authors： Fernandez M,Littlewood DT,Latorre A,Raga JA,Rollinson D

更新日期：1998-10-01 00:00:00

abstract：:Engorged Ixodes ricinus nymphs collected from sheep resident in an upland UK field site were significantly lighter than nymphs that engorged on previously tick-naïve sheep, indicating that site-resident sheep continually exposed to ticks acquired anti-tick resistance. The weights of engorged nymphs that fed on natural...

journal_title：Parasitology

authors： Ogden NH,Casey AN,French NP,Adams JD,Woldehiwet Z

更新日期：2002-02-01 00:00:00

abstract：:This paper reviews naturally occurring and synthetic compounds that either enhance immune defences or lower both natural and acquired immunity. Immunomodulatory agents used both for laboratory study and clinically for the management of immunologically based diseases are considered. ...

journal_title：Parasitology

authors： Nüssler AK,Thomson AW

更新日期：1992-01-01 00:00:00

abstract：:We studied infection dynamics of Plasmodium chabaudi in mice infected with 3 genetically distinct clones--1 less virulent than the other 2--either on their own or in mixtures. During the acute phase of infection, total numbers of asexual parasites in mixed-clone infections were equal to those produced by the 3 clones ...

journal_title：Parasitology

authors： De Roode JC,Read AF,Chan BH,Mackinnon MJ

更新日期：2003-11-01 00:00:00

abstract：:Cystic echinococcosis (CE) is a high prevalence zoonosis among the rural population of Tacuarembó (Uruguay). The correlation between serological data and the incidence of risk factors was studied in a survey carried out in 1998 among rural communities where 480 individuals were examined by means of abdominal sonograph...

journal_title：Parasitology

authors： Hernández A,Cardozo G,Dematteis S,Baz A,Trias N,Nuñez H,Barragué A,López L,Fuentes J,López O,Ferreira C

更新日期：2005-04-01 00:00:00

abstract：:Ascarid parasites infect a variety of hosts and regular anthelmintic treatment is recommended for all species. Parascaris spp. is the only ascarid species with widespread anthelmintic resistance, which allows for the study of resistance mechanisms. The purpose of this study was to establish an in vitro drug exposure p...

journal_title：Parasitology

authors： Scare JA,Dini P,Norris JK,Steuer AE,Scoggin K,Gravatte HS,Howe DK,Slusarewicz P,Nielsen MK

更新日期：2020-05-01 00:00:00

abstract：:The phenotypic activity of two 5-nitroindazolinones, i.e. 2-benzyl-1-propyl (22) and 2-benzyl-1-butyl (24) derivatives, previously proposed as anti-Trypanosoma cruzi prototypes, was presently assayed on bloodstream trypomastigotes (BT) of the moderately drug-resistant Y strain. Further exploration of putative targets ...

journal_title：Parasitology

authors： Fonseca-Berzal C,DA Silva CF,Menna-Barreto RF,Batista MM,Escario JA,Arán VJ,Gómez-Barrio A,Soeiro Mde N

更新日期：2016-09-01 00:00:00

abstract：:The ribosomal RNA (rRNA) gene units of Schistosoma mansoni and S. rodhaini, of the lateral spined egg group, have been studied. The schistosome rRNA gene unit consists of a regular interspersion of the two genes encoding the large and small rRNA units with two spacers. The large spacer is not transcribed while the sma...

journal_title：Parasitology

authors： Walker TK,Simpson AJ,Rollinson D

更新日期：1989-02-01 00:00:00

abstract：:An immunochromatographic test (ICT), using recombinant truncated P50 (P50t), for the detection of antibodies to Babesia gibsoni was developed and evaluated. Whereas all sera from specific pathogen-free dogs were clearly negative, all sera from dogs experimentally infected with B. gibsoni were clearly positive in the I...

journal_title：Parasitology

authors： Verdida RA,Xuan X,Fukumoto S,Huang X,Zhou J,Igarashi I,Claveria FG,Nagasawa H

更新日期：2005-12-01 00:00:00

abstract：:A time-course study was conducted to resolve discrepancies in the literature and better define aspects of the Eimeria maxima life cycle such, as sites of development and both morphology and number of asexual stages. Broiler chickens were inoculated orally with five million E. maxima oocysts (APU1), and were necropsied...

journal_title：Parasitology

authors： Dubey JP,Jenkins MC

更新日期：2018-07-01 00:00:00