Nematospiroides dubius: the course of primary, secondary and tertiary infections in high and low responder Biozzi mice.

abstract：:Perkinsus marinus is a protozoan responsible for dramatic mortality in the Eastern oyster, Crassostrea virginica, but not in the Pacific oyster, C. gigas. To understand the host-parasite relationship, we inoculated P. marinus trophozoites into the shell cavity of C. gigas and measured, over 2 months, (i) intensity of ...

journal_title：Parasitology

authors： Romestand B,Corbier F,Roch P

更新日期：2002-10-01 00:00:00

abstract：:Following cloning of Leishmania (L.) amazonensis kinetoplast DNA two recombinant clones were identified: one specific for L. (L.) amazonensis and the other specific for L. (L.) amazonensis and closely related isolates. DNA sequences from these clones were compared with those of other kinetoplastids and oligonucleotide...

journal_title：Parasitology

authors： Eresh S,McCallum SM,Barker DC

更新日期：1994-11-01 00:00:00

abstract：:The diversity and prevalence of malaria parasites of the genera Plasmodium and Haemoproteus were determined in the globally-threatened Aquatic Warbler Acrocephalus paludicola. Birds were sampled during migration in Portugal and at the wintering quarters in Senegal and parasites were detected using molecular methods. O...

journal_title：Parasitology

authors： Neto JM,Pérez-Rodríguez A,Haase M,Flade M,Bensch S

更新日期：2015-08-01 00:00:00

abstract：:This study assessed the role of historical processes on the geographic isolation, molecular evolution, and morphological diversification of host-parasite populations from the southern Brazilian coast. Adult specimens of Scleromystax barbatus and Scleromystax macropterus were collected from the sub-basin of the Nhundia...

journal_title：Parasitology

authors： Bueno-Silva M,Boeger WA

更新日期：2019-09-01 00:00:00

abstract：:Chagas disease chemotherapy is based on drugs that exhibit toxic effects and have limited efficacy, such as Benznidazole. Therefore, research into new chemotherapeutic agents from natural sources needs to be exploited. Apis mellifera venom consists of many biologically active molecules and has been reported to exhibit...

journal_title：Parasitology

authors： Adade CM,Chagas GS,Souto-Padrón T

更新日期：2012-09-01 00:00:00

abstract：:Cutaneous Leishmaniasis (CL) is considered a neglected tropical disease which in Pakistan can now be considered as a growing public health problem. The exact figures on the magnitude of the disease are lacking both at the national and regional level and only a few health centres are available for diagnosis of CL. The ...

journal_title：Parasitology

authors： Khan A,Sajid R,Gul S,Hussain A,Zehri MT,Naz S,Simsek S,Waseem S,Afzal MS,Naqvi SKUH,Qasim M,Ahmed H

更新日期：2020-12-23 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：:Schistosoma mansoni eggs, miracidia and primary sporocysts were labelled with phalloidin-rhodamine to visualize filamentous actin structures. Analysis of these forms by confocal fluorescence microscopy revealed the presence of previously well-defined circular and longitudinal muscle layers. Besides these muscular laye...

journal_title：Parasitology

authors： Bahia D,Avelar LG,Vigorosi F,Cioli D,Oliveira GC,Mortara RA

更新日期：2006-09-01 00:00:00

abstract：:Risk factors for the transmission of Echinococcus multilocularis to humans operate at a range of spatial scales. Over a large area, such as China, regional scale risk is correlated with variation in climatic conditions because of its effect on the spatial distribution of landscapes that can support E. multilocularis t...

journal_title：Parasitology

authors： Danson FM,Graham AJ,Pleydell DR,Campos-Ponce M,Giraudoux P,Craig PS

更新日期：2003-01-01 00:00:00

abstract：:This study quantifies the rate and intensity of re-infection with human hookworm and Schistosoma mansoni infection 12 months following successful treatment, and investigates the influence of socio-economic, geographical and environmental factors. A longitudinal study of 642 individuals aged over 5 years was conducted ...

journal_title：Parasitology

authors： Cundill B,Alexander N,Bethony JM,Diemert D,Pullan RL,Brooker S

更新日期：2011-09-01 00:00:00

abstract：:Hybridization events between Schistosoma species (Digenea, Platyhelminthes) are reported with increasing frequency, largely due to improved access to molecular tools. Nevertheless, little is known about the distribution and frequency of hybrid schistosomes in nature. Screening for hybrids on a large scale is complicat...

journal_title：Parasitology

authors： Boon NAM,Van Den Broeck F,Faye D,Volckaert FAM,Mboup S,Polman K,Huyse T

更新日期：2018-04-01 00:00:00

abstract：:The induction of schistosomulicidal activity of peritoneal macrophages by concanavalin A-stimulated supernatants from long-term T-cell clones and by interferon-gamma (IFN-gamma) was investigated in detail. Optimal conditions of in vitro macrophage activation by T-cell clone supernatants were established. Macrophages f...

journal_title：Parasitology

authors： Kubelka CF,Ruppel A,Krammer PH,Gemsa D

更新日期：1986-04-01 00:00:00

abstract：:Existing models of the basic case reproduction number (R0) for vector-borne diseases assume (i) that the distribution of vectors over the susceptible host species is homogeneous and (ii) that the biting preference for the susceptible host species rather than other potential hosts is a constant. Empirical evidence cont...

journal_title：Parasitology

authors： Kelly DW,Thompson CE

更新日期：2000-03-01 00:00:00

abstract：:Chemotactic responses of Strongyloides stercoralis infective larvae (L3) to sodium chloride (NaCl) were investigated by recording larval tracks on a saline gradient in agarose. On agarose, larvae migrated randomly, whereas when placed at 0.01 m NaCl larvae moved to approximately 1.1 m NaCl where they turned, headed do...

journal_title：Parasitology

authors： Forbes WM,Ashton FT,Boston R,Schad GA

更新日期：2003-08-01 00:00:00

abstract：:The 4-aminoquinolines chloroquine (CQ) and amodiaquine (AM) were used to treat Gambian children with uncomplicated falciparum malaria in a randomized drug trial. Blood samples were taken immediately before treatment (day 0), and at day 7 and day 28 after treatment. Samples from those parasitologically positive at day ...

journal_title：Parasitology

authors： Duraisingh MT,Drakeley CJ,Muller O,Bailey R,Snounou G,Targett GA,Greenwood BM,Warhurst DC

更新日期：1997-03-01 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：:Bat flies are obligate ectoparasites of bats and it has been hypothesized that they may be involved in the transmission of Bartonella species between bats. A survey was conducted to identify whether Cyclopodia greefi greefi (Diptera: Nycteribiidae) collected from Ghana and 2 islands in the Gulf of Guinea harbour Barto...

journal_title：Parasitology

authors： Billeter SA,Hayman DT,Peel AJ,Baker K,Wood JL,Cunningham A,Suu-Ire R,Dittmar K,Kosoy MY

更新日期：2012-03-01 00:00:00

abstract：:The host-parasite relationship is exquisitely specific. In exploiting the host niche, a variety of helminth parasites have been shown to directly manipulate their hosts' immune responses. We assessed the ability of a whole-worm extract of Hymenolepis diminuta to modulate immune cell activation. Immune cells isolated f...

journal_title：Parasitology

authors： Wang A,McKay DM

更新日期：2005-05-01 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 Calliphoridae include some of the most economically significant myiasis-causing flies in the world - blowflies and screwworm flies - with many being notorious for their parasitism of livestock. However, despite more than 50 years of research, key taxonomic relationships within the family remain unresolved. This st...

journal_title：Parasitology

authors： McDonagh LM,Stevens JR

更新日期：2011-11-01 00:00:00

abstract：:Parasites often induce behavioural changes in their host. However, it is not necessarily easy to determine whether these changes are representative of an adaptation of the parasite (parasite manipulation), an adaptive response of the host or a side-effect of infection. In a solitary parasitoid of Drosophila larvae (Le...

journal_title：Parasitology

authors： Varaldi J,Petit S,Boulétreau M,Fleury F

更新日期：2006-06-01 00:00:00

abstract：:Host nutrition plays an important role in determining the development and success of parasitic infections. While studies of vertebrate hosts are accumulating, little is known about how host nutrition affects parasites of invertebrate hosts. Crithidia bombi is a gut trypanosome parasite of the bumble bee, Bombus terres...

journal_title：Parasitology

authors： Logan A,Ruiz-González MX,Brown MJ

更新日期：2005-06-01 00:00:00

abstract：:Myxozoans have been successfully used as tags for fish stock identification around the world. However, few studies using myxozoan tags have been carried out in the Southern Atlantic, a region with complex oceanography that constitutes a potentially suitable scenario for testing the utility of myxozoans as indicators. ...

journal_title：Parasitology

authors： Cantatore DM,Irigoitia MM,Holzer AS,Timi JT

更新日期：2016-05-01 00:00:00

abstract：:Taenia cestodes were obtained from 5 different definitive host species in Kenya and 175 different samples were examined by classical morphological methods and by isoenzyme analysis using isoelectric focusing in agarose. Gels were stained for 17 different enzymes and 3 of these were used in the construction of isoenzym...

journal_title：Parasitology

authors： Allsopp BA,Jones A,Allsopp MT,Newton SD,Macpherson CN

更新日期：1987-12-01 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：:The development of a successful vaccine depends not only on the production of the vaccine itself, but also on the design pf the vaccination programme. This involves a better understanding of the epidemiology of the disease to be controlled, the delivery system to be used and the costs involved. This review focuses on ...

journal_title：Parasitology

authors： Bundy DA,Chan MS,Guyatt HL

更新日期：1995-01-01 00:00:00

abstract：:A cross-sectional sero-epidemiological study was performed in Magoda, Tanzania, an area where malaria is holoendemic. Blood samples were collected from children (1-4 years) and tested for IgG antibody reactivity against 2 recombinant protein fragments of Plasmodium falciparum Rhoptry-Associated Protein-1 (rRAP-1). The...

journal_title：Parasitology

authors： Alifrangis M,Lemnge MM,Moon R,Theisen M,Bygbjerg I,Ridley RG,Jakobsen PH

更新日期：1999-10-01 00:00:00

abstract：:Pentastomids comprise a highly specialized taxon of arthropod-like parasites that probably became adapted to the lungs of amphibians and reptiles early in their long evolutionary history. Few other macroparasites exploit this particular niche. Pentastomids are often large, long-lived and yet they cause little observab...

journal_title：Parasitology

authors： Riley J,Henderson RJ

更新日期：1999-01-01 00:00:00

abstract：:Most, if not all, organisms face attack by natural enemies and will be selected to evolve some form of defence. Resistance may have costs as well as its obvious benefits. These costs may be associated with actual defence or with the maintenance of the defensive machinery irrespective of whether a challenge occurs. In ...

journal_title：Parasitology

authors： Kraaijeveld AR,Ferrari J,Godfray HC

更新日期：2002-01-01 00:00:00

abstract：:The sex ratio of adult worms has been observed biased towards males in Schistosoma mansoni under natural conditions. The origin of this bias is unknown. This paper determines whether males are more infective than females under controlled experimental bisexual conditions, and hence if the sex ratio is male-biased as a ...

journal_title：Parasitology

authors： Boissier J,Moné H

更新日期：2000-10-01 00:00:00