Axenic cultivation and partial characterization of Leishmania braziliensis amastigote-like stages.

abstract：:An apparatus for artificial feeding of Rhipicephalus appendiculatus nymphae was modified to improve feeding performance. Heparinized blood was supplied above a treated artificial membrane while the ticks attached below on its undersurface. The feeding apparatus was incubated at 37 degrees C in an atmosphere of 3% CO2 ...

journal_title：Parasitology

authors： Waladde SM,Young AS,Mwaura SN,Njihia GN,Mwakima FN

更新日期：1995-11-01 00:00:00

abstract：:Members of the phylum Microspora are a group of unusual, obligate intracellular eukaryotic parasites that infect a wide range of hosts. However, there are a limited number of microsporidial infections reported in avian hosts, and no parasite species has been defined as an avian pathogen. A microsporidian organism was ...

journal_title：Parasitology

authors： Snowden KF,Logan K,Phalen DN

更新日期：2000-07-01 00:00:00

abstract：:High throughput technologies continue to develop in response to the challenges set by the genome projects. This article discusses how the techniques of both high throughput screening (HTS) and synthesis can influence research in parasitology. Examples of the use of targeted and phenotype-based HTS using unbiased compo...

journal_title：Parasitology

authors： Morgan RE,Westwood NJ

更新日期：2004-01-01 00:00:00

abstract：:In an interconnected world, the international pet trade on wild animals is becoming increasingly important. As a consequence, non-native parasite species are introduced, which affect the health of wildlife and contribute to the loss of biodiversity. Because the investigation of parasite diversity within vulnerable hos...

journal_title：Parasitology

authors： Héritier L,Verneau O,Breuil G,Meistertzheim AL

更新日期：2017-04-01 00:00:00

abstract：:Nematodes represent one of the most abundant and species-rich groups of animals on the planet, with parasitic species causing chronic, debilitating infections in both livestock and humans worldwide. The prevalence and success of the nematodes is a direct consequence of the exceptionally protective properties of their ...

journal_title：Parasitology

authors： Stepek G,McCormack G,Birnie AJ,Page AP

更新日期：2011-02-01 00:00:00

abstract：:The public health significance of hookworm disease is briefly reviewed. The latest evidence confirms that blood loss caused by the worms' feeding activity in the gut is a contributing factor in the development of poor iron status leading to iron-deficiency anaemia. The World Health Organization has identified adolesce...

journal_title：Parasitology

authors： Crompton DW

更新日期：2000-01-01 00:00:00

abstract：:The anthelmintic properties of tanniferous plants and of their secondary metabolites represent one possible alternative to chemotherapy that is currently being explored as a means of achieving sustainable control of gastrointestinal nematodes in ruminants. Previous in vivo and in vitro results suggest that tanniferous...

journal_title：Parasitology

authors： Bahuaud D,Martinez-Ortiz de Montellano C,Chauveau S,Prevot F,Torres-Acosta F,Fouraste I,Hoste H

更新日期：2006-04-01 00:00:00

abstract：:Infections with Haemonchus contortus are a major constraint on ruminant health world-wide. Young lambs are very sensitive to Haemonchus infection. Older lambs and sheep acquire immunity after a continuous or seasonal exposure to the parasite. The mechanisms underlying immunity are still not completely understood. Anti...

journal_title：Parasitology

authors： Schallig HD

更新日期：2000-01-01 00:00:00

abstract：:Giardia lamblia localize and multiply in the small intestine and may cause acute or chronic diarrhoea with malabsorption of fat, protein and other nutrients. Abnormal pancreatic function has been documented in giardiasis and trophozoites directly inhibit pancreatic lipase activity in vitro. The aim of this study was t...

journal_title：Parasitology

authors： Seow F,Katelaris P,Ngu M

更新日期：1993-04-01 00:00:00

abstract：:Neospora caninum is an Apicomplexan protozoan that has the dog as a definitive host and cattle (among other animals) as intermediate hosts. It causes encephalopathy in dogs and abortion in cows, with significant loss in worldwide livestock. As any Apicomplexan, the parasite invades the cells using proteins contained i...

journal_title：Parasitology

authors： Pereira LM,Candido-Silva JA,De Vries E,Yatsuda AP

更新日期：2011-03-01 00:00:00

abstract：:Many zoonotic disease agents are transmitted between hosts by arthropod vectors, including fleas, but few empirical studies of host-vector-microparasite dynamics have investigated the relative importance of hosts and vectors. This study investigates the dynamics of 4 closely related Bartonella species and their flea v...

journal_title：Parasitology

authors： Telfer S,Begon M,Bennett M,Bown KJ,Burthe S,Lambin X,Telford G,Birtles R

更新日期：2007-03-01 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：:Confocal scanning laser microscopy has been employed with immunocytochemical techniques to map the distribution of serotoninergic and peptidergic components in the nervous system of the monogenean gill-parasite, Diclidophora merlangi; results are compared with the distribution of cholinergic components, following hist...

journal_title：Parasitology

authors： Maule AG,Halton DW,Johnston CF,Shaw C,Fairweather I

更新日期：1990-04-01 00:00:00

abstract：:Avian malaria is a mosquito-borne disease caused by Plasmodium spp. protozoa. Although these parasites have been extensively studied in North America and Eurasia, knowledge on the diversity of Plasmodium, its vectors and avian hosts in Africa is scarce. In this study, we report on natural malarial infections in free-r...

journal_title：Parasitology

authors： Aly MZY,Mohamed III,Sebak SI,Vanstreels RET,El Gendy AM

更新日期：2020-08-01 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：:We studied the monogenean communities of 34 species of butterflyfish from the tropical Indo-West Pacific, identifying 13 dactylogyrid species (including two species that are presently undescribed). Monogenean assemblages differed significantly between host species in terms of taxonomic structure, intensity and prevale...

journal_title：Parasitology

authors： Reverter M,Cutmore SC,Bray R,Cribb TH,Sasal P

更新日期：2016-10-01 00:00:00

abstract：:To test the homogeneity of 18S sequences within Trypanosoma cruzi, riboprint profiles were separated by temperature gradient gel electrophoresis (TGGE). Upon interpretation of melting curves of fragments within a riboprint profile, there appeared to be two 18S sequence types within each stock examined. Two similar typ...

journal_title：Parasitology

authors： Stothard JR,Frame IA,Carrasco HJ,Miles MA

更新日期：1998-09-01 00:00:00

abstract：:Changes in the cardiac beta-adrenergic system in early stages of Trypanosoma cruzi infection have been described. Here, we studied an early (135 days post-infection-p.i.) and a late stage (365 days p.i.) of the cardiac chronic form of the experimental infection (Tulahuen or SGO-Z12 strains), determining plasma epineph...

journal_title：Parasitology

authors： Lo Presti MS,Rivarola HW,Fernández AR,Enders JE,Levin G,Fretes R,Cerban FM,Garrido VV,Paglini-Oliva P

更新日期：2009-07-01 00:00:00

abstract：:Neurocysticercosis (NCC) is the most common parasitic disease of the central nervous system (CNS) caused by the larval form of the tapeworm Taenia solium. NCC has a long asymptomatic period with little or no inflammation, and the sequential progression to symptomatic NCC depends upon the intense inflammation associate...

journal_title：Parasitology

authors： Alvarez JI,Mishra BB,Gundra UM,Mishra PK,Teale JM

更新日期：2010-03-01 00:00:00

abstract：:The numbers, distribution in the small intestine, sexual development and growth (dry weight) of 5-week-old Moniliformis dubius (Acanthocephala) were investigated experimentally in adult, female CFHB rats fed on theoretically isoenergetic diets containing known amounts of fructose in combination with either maize-oil f...

journal_title：Parasitology

authors： Crompton DW,Keymer A,Singhvi A,Nesheim MC

更新日期：1983-02-01 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：:The current World Health Organization strategic plan targets the elimination of schistosomiasis as a public health problem by 2025 and accurate diagnostics will play a pivotal role in achieving this goal. DNA-based detection methods provide a viable alternative to some of the commonly used tests, notably microscopy an...

journal_title：Parasitology

authors： Weerakoon KG,Gordon CA,Cai P,Gobert GN,Duke M,Williams GM,McManus DP

更新日期：2017-07-01 00:00:00

abstract：:Plerocercoids of the pseudophyllidean cestode Schistocephalus solidus infect the three-spined stickleback Gasterosteus aculeatus, with important consequences for the biology of host fish. Techniques for culturing the parasite in vitro and generating infective stages that can be used to infect sticklebacks experimental...

journal_title：Parasitology

authors： Barber I,Scharsack JP

更新日期：2010-03-01 00:00:00

abstract：:Merocyanin 540 (Mc540) is a fluorescent compound which is thought to bind to membranes in which there are substantial amounts of lipid in the lipid-crystalline phase. It is shown here to be of value in detecting the transformation by both mechanical and skin-penetration methods of the cercaria to the schistosomulum. T...

journal_title：Parasitology

authors： Foley M,Kusel JR,Garland PB

更新日期：1988-02-01 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：:The respiratory chain of the procyclic stage of Trypanosoma brucei contains the standard complexes I through IV, as well as several alternative enzymes contributing to electron flow. In this work, we studied the function of an alternative NADH : ubiquinone oxidoreductase (NDH2). Depletion of target mRNA was achieved u...

journal_title：Parasitology

authors： Verner Z,Skodová I,Poláková S,Durišová-Benkovičová V,Horváth A,Lukeš J

更新日期：2013-03-01 00:00:00

abstract：:Full-length cDNAs encoding cytosolic (SODc) and putative extracellular (SODe) Cu/Zn superoxide dismutases (SODs) from the ovine gastrointestinal parasitic nematode Haemonchus contortus have been isolated and characterized. The predicted sequences of the H. contortus SODs showed strong homology to other helminth SODs, ...

journal_title：Parasitology

authors： Liddell S,Knox DP

更新日期：1998-04-01 00:00:00

abstract：:Immunological and structural changes in the thymus and pronephros of Cyprinus carpio infected with the blood fluke, Sanguinicola inermis for 30 days, and exposed to 0.5 mg NH4+/1 for 48 and 168 h were investigated. Ultrastructural observations revealed cell disruption and highly vacuolated cytoplasm in the thymus. Of ...

journal_title：Parasitology

authors： Schuwerack PM,Lewis JW,Hoole D,Morley NJ

更新日期：2001-03-01 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：:Antigenic differences between intra-lymphocytic theilerial parasites isolated from the blood of 18 African buffalo and grown in vitro were assessed with anti-schizont monoclonal antibodies (mAbs). There was marked antigenic diversity both between isolates from different buffalo and between isolates taken at different ...

journal_title：Parasitology

authors： Conrad PA,Stagg DA,Grootenhuis JG,Irvin AD,Newson J,Njamunggeh RE,Rossiter PB,Young AS

更新日期：1987-06-01 00:00:00