Protein synthesis and release by cultured schistosomula of Schistosoma mansoni.

abstract：SUMMARY:Clinical isolates from 3 microsporidia species, Encephalitozoon intestinalis and Encephalitozoon hellem, and the insect parasite Anncaliia (Brachiola, Nosema) algerae, were used in spore germination and enterocyte-like (C2Bbe1) cell infection assays to determine the effect of a panel of antimicrobial peptides. ...

journal_title：Parasitology

authors： Leitch GJ,Ceballos C

更新日期：2009-02-01 00:00:00

abstract：:Most of our knowledge about the process of penetration of skin, by cercariae of Schistosoma mansoni, has been gained from studies carried out in vivo with laboratory animals. Human skin is significantly different from that of other animals but there are obvious practical difficulties in directly studying attachment an...

journal_title：Parasitology

authors： Khammo N,Bartlett A,Clothier RH,Whitfield PJ

更新日期：2002-01-01 00:00:00

abstract：:Harnessing the full utility of extensive gene sequences recently available for the economically important sea louse, Lepeophtheirus salmonis, requires the adaptation of modern molecular biology approaches to this non-model organism. Using a putative microsomal prostaglandin E synthase type-2 (PGES2) as a candidate gen...

journal_title：Parasitology

authors： Campbell EM,Pert CC,Bowman AS

更新日期：2009-07-01 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：:A cDNA encoding a beta-galactoside-binding lectin (galectin) was identified by immunoscreening a Haemonchus contortus cDNA library with antisera from lambs vaccinated with a membrane protein complex (H-gal-GP) derived from the parasites' gut. The cDNA sequence, exhibiting a tandem repeat structure and designated Hco-g...

journal_title：Parasitology

authors： Newlands GF,Skuce PJ,Knox DP,Smith SK,Smith WD

更新日期：1999-11-01 00:00:00

abstract：:Biodiversity loss may increase the risk of infectious disease in a phenomenon known as the dilution effect. Circumstances that increase the likelihood of disease dilution are: (i) when hosts vary in their competence, and (ii) when communities disassemble predictably, such that the least competent hosts are the most li...

journal_title：Parasitology

authors： Stewart Merrill TE,Johnson PTJ

更新日期：2020-09-01 00:00:00

abstract：:Trypanosoma brucei is the causative agent of African sleeping sickness in humans and one of several pathogens that cause the related veterinary disease Nagana. A complex co-evolution has occurred between these parasites and primates that led to the emergence of trypanosome-specific defences and counter-measures. The f...

journal_title：Parasitology

authors： Capewell P,Cooper A,Clucas C,Weir W,Macleod A

更新日期：2015-02-01 00:00:00

abstract：SUMMARY:The spermatozoa of ticks are anomalous in many respects: they are very large, cytoplasm-rich cells which lack a flagellum but move with a peculiar gliding motility. Their metamorphosis after deposition in the female has been well documented, but many of the subsequent events in the career of the spermatozoa are...

journal_title：Parasitology

authors： Resler JH,Frazier JL,Shepherd JG,Modafferi JD

更新日期：2009-04-01 00:00:00

abstract：:The snail Bulinus nasutus 1214 possesses a potent haemagglutinin (end-point titre with human erythrocytes, 2(-18)) in its cell-free haemolymph which also binds to the miracidia (but not other larvae) of the incompatible parasite Schistosoma margrebowiei. We have purified a protein possessing this haemagglutinating pro...

journal_title：Parasitology

authors： Harris RA,Preston TM,Southgate VR

更新日期：1993-02-01 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：:We investigated changes in the behaviour of Stagnicola elodes associated with the emergence of Plagiorchis elegans cercariae. Within 15 min of the reduction in light intensity, which triggered the onset of cercarial emergence, infected snails moved to the top of the water column and remained there for 2-3 h. Seventy-n...

journal_title：Parasitology

authors： Lowenberger CA,Rau ME

更新日期：1994-07-01 00:00:00

abstract：:Theileria annulata infects and reversibly transforms bovine leucocytes. The parasite-transformed cells are immortalized, metastatic and express a number of metalloproteinases including matrix metalloproteinase 9 which they secrete. All the metalloproteinases observed on substrate gels are inhibited by tissue inhibitor...

journal_title：Parasitology

authors： Adamson RE,Hall FR

更新日期：1996-11-01 00:00:00

abstract：:The twin concepts of zooprophylaxis and the dilution effect originated with vector-borne diseases (malaria), were driven forward by studies on Lyme borreliosis and have now developed into the mantra "biodiversity protects against disease". The basic idea is that by diluting the assemblage of transmission-competent hos...

journal_title：Parasitology

authors： Randolph SE,Dobson AD

更新日期：2012-06-01 00:00:00

abstract：:Brugia malayi is one of the parasitic worms which causes lymphatic filariasis in humans. Its geographical distribution includes a large part of Asia. Despite its wide distribution, very little is known about the genetic variation and molecular epidemiology of this species. In this study, the internal transcribed space...

journal_title：Parasitology

authors： Fong MY,Noordin R,Lau YL,Cheong FW,Yunus MH,Idris ZM

更新日期：2013-01-01 00:00:00

abstract：:The 'Muguga cocktail' live vaccine, delivered by an infection and treatment protocol, has been widely deployed in Eastern, Central and Southern Africa to protect cattle against East Coast fever, caused by Theileria parva. The vaccine contains 3 component stocks (Muguga, Serengeti-transformed and Kiambu 5). In a previo...

journal_title：Parasitology

authors： Oura CA,Bishop R,Asiimwe BB,Spooner P,Lubega GW,Tait A

更新日期：2007-08-01 00:00:00

abstract：:A specific enzyme-linked immunosorbent assay, based on a 48 kDa metallo-proteinase isolated from the frontal glands of a porocephalid pentastomid (Porocephalus crotali) in rat intermediate hosts, is described. SDS-PAGE analysis of whole nymphal homogenate, followed by Western blotting and probing with immune rat serum...

journal_title：Parasitology

authors： Jones DA,Riley J

更新日期：1991-12-01 00:00:00

abstract：:Voltage-gated calcium (Ca2+) channels contribute to impulse propagation in excitable cells and also regulate intracellular levels of Ca2+. High voltage-activated (HVA) Ca2+ channels are heteromultimeric membrane proteins. The pore-forming, voltage-sensing subunit is the alpha1 subunit. We have cloned 3 HVA Ca2+ channe...

journal_title：Parasitology

authors： Kohn AB,Lea J,Roberts-Misterly JM,Anderson PA,Greenberg RM

更新日期：2001-11-01 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

abstract：:We tested whether the prevalence of ticks can be predicted reliably from a simple epidemiological model that takes into account only mean abundance and its variance. We used data on the abundance and distribution of larvae and nymphs of 2 ixodid ticks parasitic on small mammals (Apodemus agrarius, Apodemus flavicollis...

journal_title：Parasitology

authors： Stanko M,Krasnov BR,Miklisova D,Morand S

更新日期：2007-01-01 00:00:00

abstract：:Chagas infection is a major endemic disease affecting Latin American countries. The persistence of Trypanosoma cruzi generates a chronic inflammatory reactivity that induces an immune response directed to the host's tissues. The effectiveness of the treatment in the chronic phase is still unsatisfactory due, amongst o...

journal_title：Parasitology

authors： Fauro R,Lo Presti S,Bazan C,Baez A,Strauss M,Triquell F,Cremonezzi D,Negrete OS,Willhuber GC,Paglini-Oliva P,Rivarola HW

更新日期：2013-06-01 00:00:00

abstract：:The Baltic Sea is characterized by organisms that can tolerate brackish water. Because of the Sea's history during glacial times, its flora and fauna (and also their parasites) can be traced to marine, freshwater and genuine brackish elements beside glacial relics. Snails, planktonic copepods, benthic amphipods and is...

journal_title：Parasitology

authors： Zander CD,Reimer LW

更新日期：2002-01-01 00:00:00

abstract：:There is increasing support for the presence of viruses and virus-like particles inside protozoan cells. This study describes viral-like RNA molecules that have been detected in two species of Eimeria that infect the chicken. The RNA molecule identified in E. maxima has been characterized: subcellular fractionation st...

journal_title：Parasitology

authors： Ellis J,Revets H

更新日期：1990-10-01 00:00:00

abstract：:The current trend of antimony (Sb) unresponsiveness in the Indian subcontinent is a major impediment to effective chemotherapy of visceral leishmaniasis (VL). Although contributory mechanisms studied in laboratory-raised Sb-R parasites include an up-regulation of drug efflux pumps and increased thiols, their role in c...

journal_title：Parasitology

authors： Mandal G,Wyllie S,Singh N,Sundar S,Fairlamb AH,Chatterjee M

更新日期：2007-11-01 00:00:00

abstract：:The dynamic interaction of cells of the immune system with other cells, antigens and secreted factors determines the nature of an immune response. The response of individual cells is governed by the sequence of intracellular signalling events triggered following the association of cell surface molecules during cell-ce...

journal_title：Parasitology

authors： Goodridge HS,Harnett MM

更新日期：2005-01-01 00:00:00

abstract：:Judged by oocyst production, infections with Eimeria acervulina in birds immunized with E. maxima were consistently higher than in birds which had not been immunized. Oocyst production of E. maxima in birds previously infected with E. acervulina was greater, in three out of four experiments, than in control chickens,...

journal_title：Parasitology

authors： Rose ME

更新日期：1975-04-01 00:00:00

abstract：:This study characterized antigens of Trichinella spiralis and T. pseudospiralis muscle larvae recognized by mice infected with the worms. Two-dimensional (2-D) Western blot analysis revealed some profile of antigenic peptides including: (1) molecular weight (MW); (2) isoelectric points (pI), (3) reactivity to well-def...

journal_title：Parasitology

authors： Wu Z,Nagano I,Takahashi Y

更新日期：1999-06-01 00:00:00

abstract：:In this article I begin with a few current ideas on some physiological factors that influence mating choice in insects. Emphasis is placed on those proteins produced by the male reproductive accessory glands which increase female fecundity and reduce her receptivity to subsequent males. Strategies used by late-arrivin...

journal_title：Parasitology

authors： Kaufman WR

更新日期：2004-01-01 00:00:00

abstract：:The free radical nitric oxide (NO) is a neuronal messenger which is synthesized from L-arginine and O2 by nitric oxide synthase (NOS). In the synthesis NO and L-citrulline are produced in a stoichiometric 1:1 relation. The activity of NOS was analysed in homogenates of the rat tapeworm Hymenolepis diminuta by measurin...

journal_title：Parasitology

authors： Terenina NB,Onufriev MV,Gulyaeva NV,Lindholm AM,Gustafsson MK

更新日期：2000-01-01 00:00:00

abstract：:The sequence of appearance of specific lytic activity against more than 20 variable antigen types (VATs) of Trypanosoma vivax in the serum of 27 animals belonging to 5 species has been examined. For each host species there was a characteristic course of infection, with differences in height and duration of parasitaemi...

journal_title：Parasitology

authors： Barry JD

更新日期：1986-02-01 00:00:00

abstract：:This study evaluated the effectiveness of low doses of benznidazole (BNZ) on continuous administration (BNZc), combined with allopurinol (ALO), in C57BL/6J and C3H/HeN mice infected with Trypanosoma cruzi Nicaragua strain and T. cruzi Sylvio-X10/4 clone. TcN-C57BL/6J was also treated with intermittent doses of BNZ (BN...

journal_title：Parasitology

authors： Rial MS,Scalise ML,López Alarcón M,Esteva MI,Búa J,Benatar AF,Prado NG,Riarte AR,Fichera LE

更新日期：2019-03-01 00:00:00