Characterization of the Neospora caninum NcROP40 and NcROP2Fam-1 rhoptry proteins during the tachyzoite lytic cycle.

abstract：:The SICA[-] or non-agglutinable phenotype of Plasmodium knowlesi schizont-infected erythrocytes has been defined serologically but not biochemically. Similarly, non-cloned SICA[+] or agglutinable parasites have been shown serologically to express SICA or variant antigen(s) but the number and nature of such antigens ha...

journal_title：Parasitology

authors： Howard RJ,Barnwell JW

更新日期：1985-10-01 00:00:00

abstract：:Conventional mice and congenitally athymic, nude mice were infected with 20 metacercariae of the intestinal trematode Echinostoma revolutum. The sequential events in the pathological changes in the intestine were studied at different intervals post-infection. By day 11 onwards the conventional mice displayed dilatatio...

journal_title：Parasitology

authors： Bindseil E,Christensen NO

更新日期：1984-06-01 00:00:00

abstract：:The present study was undertaken to investigate the antiparasitic activity of extracellular products of Streptomyces albus. Bioactivity-guided isolation of chloroform extracts affording a compound showing potent activity. The structure of the compound was elucidated as salinomycin (SAL) by EI-MS, 1H NMR and 13C NMR. I...

journal_title：Parasitology

authors： Yao JY,Gao MY,Jia YY,Wu YX,Yin WL,Cao Z,Yang GL,Huang HB,Wang CF,Shen JY,Gu ZM

更新日期：2019-04-01 00:00:00

abstract：:Planning of the control of Plasmodium falciparum malaria leads to a need for models of malaria epidemiology that provide realistic quantitative prediction of likely epidemiological outcomes of a wide range of control strategies. Predictions of the effects of control often ignore medium- and long-term dynamics. The com...

journal_title：Parasitology

authors： Smith T,Maire N,Ross A,Penny M,Chitnis N,Schapira A,Studer A,Genton B,Lengeler C,Tediosi F,de Savigny D,Tanner M

更新日期：2008-11-01 00:00:00

abstract：:Parasite transmission can be altered via the removal of parasites by the ambient communities in which parasite-host interactions take place. However, the mechanisms driving parasite removal remain poorly understood. Using marine trematode cercariae as a model system, we investigated the effects of consumer and host bo...

journal_title：Parasitology

authors： Welsh JE,Hempel A,Markovic M,van der Meer J,Thieltges DW

更新日期：2019-03-01 00:00:00

abstract：:Sexual size dimorphism (SSD) in mammals reveals the extent of sexual selection, which may in turn explain why males are often more infected by parasites than females and that parasites may contribute to the association between SSD and male-biased mortality. Here, we investigated the relationship between SSD in small m...

journal_title：Parasitology

authors： Morand S,De Bellocq JG,Stanko M,Miklisová D

更新日期：2004-10-01 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：:The magnetic resonance imaging (MRI) appearance of the brain and spinal cord in humans with neuroangiostrongyliasis (NA) due to Angiostrongylus cantonensis infection has been well reported. Equivalent studies in animals are lacking. This case series describes clinical and MRI findings in 11 dogs with presumptively or ...

journal_title：Parasitology

authors： Wun MK,Malik R,Yu J,Chow KE,Lau M,Podadera JM,Webster N,Lee R,Šlapeta J,Davies S

更新日期：2020-09-21 00:00:00

abstract：:Oocysts of Cryptosporidium parvum showed relatively low levels of SOD activity. The SOD which had a pI of 4.8 and an approximate molecular weight of 35 kDa appeared to be iron dependent. Catalase, glutathione transferase, glutathione reductase and glutathione peroxidase activity could not be detected, nor could trypan...

journal_title：Parasitology

authors： Entrala E,Mascaro C,Barrett J

更新日期：1997-01-01 00:00:00

abstract：:A recombinant baculovirus-expressed hybrid protein containing epitopes for the C-terminal fragment of the Plasmodium falciparum precursor to the major merozoite surface antigens (PMMSA) and the tetrapeptide repeats of the circumsporozoite protein (CSP) was assessed for its immunogenicity. Murine MHC-II restriction of ...

journal_title：Parasitology

authors： Lockyer MJ,Cooper H,Tite J,Rowan W,Crowe JS

更新日期：1993-06-01 00:00:00

abstract：:Sodium fluoride (NaF) is an anion that has been previously shown to block the moulting process of Ascaris suum larvae. This study describes moulting and development-specific protein expression profiles of A. suum lung-stage L3 (AsLL3) following NaF exposure. AsLL3s cultured in the presence or absence of NaF were prepa...

journal_title：Parasitology

authors： Islam MK,Miyoshi T,Yamada M,Alim MA,Huang X,Motobu M,Tsuji N

更新日期：2006-10-01 00:00:00

abstract：:The development and growth of Haemonchus contortus was studied in the stomach of the laboratory rabbit. Less than 1% of the ensheathed infective larvae given to rabbits became established, whereas after exsheathment in vitro under physiological conditions, 20-30% of the larvae administered developed to the 4th stage. ...

journal_title：Parasitology

authors： Mapes CJ,Gallie GJ

更新日期：1977-06-01 00:00:00

abstract：:Diseases caused by viruses are a constant and major problem for livestock production world wide. The diseases range from highly contagious acute forms with high mortality, to chronic disabling diseases with an insidious effect on production. Such diseases cannot be regarded as static in nature due to the highly mutabl...

journal_title：Parasitology

authors： Crowther JR

更新日期：1998-01-01 00:00:00

abstract：:A beta-1,3-glucan-binding lectin from the penetration glands of Diplostomum pseudospathaceum cercariae was isolated by affinity chromatography using yeast glucan and curdlan as affinity matrices. Further purification to homogeneity was performed by cation-exchange chromatography. The protein migrated as a double band ...

journal_title：Parasitology

authors： Mikes L,Man P

更新日期：2003-07-01 00:00:00

abstract：:A deterministic mathematical model which predicts the probability of developing a new drug-resistant parasite population within the human host is reported. The model incorporates the host's specific antibody response to PfEMP1, and also investigates the influence of chemotherapy on the probability of developing a viab...

journal_title：Parasitology

authors： Gatton ML,Hogarth W,Saul A

更新日期：2001-12-01 00:00:00

abstract：:A comparison has been made of the interactions between passively transferred and actively acquired immunity in regulating populations of Taenia hydatigena and T. ovis. When ewes were grazed prior to parturition under a high infection pressure, immunity was transferred to their offspring for up to 8 weeks. A qualitativ...

journal_title：Parasitology

authors： Gemmell MA,Lawson JR,Roberts MG,Griffin JF

更新日期：1990-08-01 00:00:00

abstract：:Post-mesocyclic development of Trypanosoma brucei in the tsetse fly in its migration from midgut to salivary glands, was revisited by sequential microdissection, morphometry and DNA-cytofluorometry. This development started by day 6 after the infective feed, with passage of mesocyclic midgut trypomastigotes through pr...

journal_title：Parasitology

authors： Van Den Abbeele J,Claes Y,van Bockstaele D,Le Ray D,Coosemans M

更新日期：1999-05-01 00:00:00

abstract：:A method has been devised to show that malaria parasites can be detected serologically in infected blood with a high degree of sensitivity. Using a murine malaria model, parasites were demonstrated in a solid-phase radio-immunoassay which measured antibody-binding inhibition. Lysed red blood cells (r.b.c.) were incuba...

journal_title：Parasitology

authors： Mackey L,Perrin L,Leemans E,Lambert PH

更新日期：1980-02-01 00:00:00

abstract：SUMMARY:The domestic dog's involvement with different members of the Trypanosomatidae family has been the focus of several studies due to this animal's close proximity to man. Recently this animal has been infected by a new Trypanosoma species (T. caninum), described in Rio de Janeiro and 19 similar isolates were later...

journal_title：Parasitology

authors： De S Pinto AG,Schubach TM,Figueiredo FB,Baptista C,Fagundes A,Da S Barros JH,De Paula CC,Toma HK,Madeira MF

更新日期：2010-09-01 00:00:00

abstract：:A statistical method that analyses correlation structures in families to delineate the contribution of genetic, household and environmental factors on clustering of infection, has been applied to data collected in an area endemic for brugian filariasis in South Sulawesi, Indonesia. Infection was assessed both by micro...

journal_title：Parasitology

authors： Wahyuni S,Houwing-Duistermaat JJ,Syafruddin,Supali T,Yazdanbakhsh M,Sartono E

更新日期：2004-03-01 00:00:00

abstract：:Recent studies of Echinococcus granulosus molecular strain typing have enabled a better understanding of the transmission cycle of cystic echinococcosis. There have been many publications in this area but there is a need for the evaluation of these tools. We have attempted to respond to this need in our study, which a...

journal_title：Parasitology

authors： Bart JM,Bardonnet K,Elfegoun MC,Dumon H,Dia L,Vuitton DA,Piarroux R

更新日期：2004-02-01 00:00:00

abstract：:Syphacia stroma (von Linstow, 1884) Morgan, 1932 and Syphacia frederici Roman, 1945 are oxyurid nematodes that parasitize two murid rodents, Apodemus sylvaticus and Apodemus flavicollis, on the European mainland. Only S. stroma has been recorded previously in Apodemus spp. from the British Isles. Despite the paucity o...

journal_title：Parasitology

authors： Stewart A,Lowe A,Smales L,Bajer A,Bradley J,Dwużnik D,Franssen F,Griffith J,Stuart P,Turner C,Zaleśny G,Behnke JM

更新日期：2018-03-01 00:00:00

abstract：:An animal's social behaviour both influences and changes in response to its parasites. Here we consider these bidirectional links between host social behaviours and parasite infection, both those that occur from ecological vs evolutionary processes. First, we review how social behaviours of individuals and groups infl...

journal_title：Parasitology

authors： Hawley DM,Gibson AK,Townsend AK,Craft ME,Stephenson JF

更新日期：2020-10-23 00:00:00

abstract：:The population of malaria-causing parasites is characterized by great genetic diversity. Knowledge of the polymorphism generation mechanism is a central issue for developing effective vaccines against malaria and understanding the parasite population structure. Plasmodium vivax genetic diversity has been explained in ...

journal_title：Parasitology

authors： Martinez P,Suarez CF,Cardenas PP,Patarroyo MA

更新日期：2004-04-01 00:00:00

abstract：:Feulgen-pararosaniline (SO2) staining was performed on stages in the life-cycle of Isospora (Toxoplasma) gondii, Eimeria tenella, Sarcocystis cruzi and Plasmodium berghei. The fluorescence emission of the stained DNA in nuclei of these stages was examined and compared with absorption microscopy measurements at 560 nm ...

journal_title：Parasitology

authors： Cornelissen AW,Overdulve JP,Van der Ploeg M

更新日期：1984-02-01 00:00:00

abstract：:Cestodes of the genus Taenia are parasites of mammals, with mainly carnivores as definitive and herbivores as intermediate hosts. Various medium-sized cats, Lynx spp., are involved in the life cycles of several species of Taenia. The aim of the present study was to identify Taenia tapeworms in the Eurasian lynx (Lynx ...

journal_title：Parasitology

authors： Lavikainen A,Haukisalmi V,Deksne G,Holmala K,Lejeune M,Isomursu M,Jokelainen P,Näreaho A,Laakkonen J,Hoberg EP,Sukura A

更新日期：2013-04-01 00:00:00

abstract：:Dr David Livingstone died on May 1st 1873. He was 60 years old and had spent much of the previous 30 years walking across large stretches of Southern Africa, exploring the terrain he hoped could provide new environments in which Europeans and Africans could cohabit on equal terms and bring prosperity to a part of the ...

journal_title：Parasitology

authors： Barrett MP,Giordani F

更新日期：2017-10-01 00:00:00

abstract：:Distribution of Leptorhynchoides thecatus (Acanthocephala: Rhadinorhynchidae) among the pyloric caeca and the relationship between site and rate of maturation were studied in laboratory infections of 10, 25 and 40 cystacanths fed to green sunfish, Lepomis cyanellus. After 1 week fish fed at each intensity had signific...

journal_title：Parasitology

authors： Ewald JA,Nickol BB

更新日期：1989-06-01 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：:In parallel with massive research efforts in human schistosomiasis over the past 30 years, persistent efforts have been made to understand the basis for compatibility and incompatibility in molluscan schistosomiasis. Snail plasma contains molecules that are toxic to trematodes, but these seem to kill only species that...

journal_title：Parasitology

authors： Bayne CJ,Hahn UK,Bender RC

更新日期：2001-01-01 00:00:00