Plasmodium vivax Duffy binding protein: a modular evolutionary proposal.

abstract：:Monoclonal antibodies reacting with pellicular antigens of Toxoplasma gondii tachyzoites have been selected among hybridomas produced against this organism by immunofluorescence assay. These antigens have been further characterized by immunofluorescence on living zoites, Western immunoblotting and immunoprecipitation ...

journal_title：Parasitology

authors： Couvreur G,Sadak A,Fortier B,Dubremetz JF

更新日期：1988-08-01 00:00:00

abstract：:Uptake of radioactivity labelled purine bases and nucleosides by suspensions of Trypanosoma brucei and Trypanosoma congolense in bicine buffer was determined at 37 degrees C. With T. brucei, the rate of uptake of adenosine was much greater than that of the other compounds tested, the uptake of which decreased in the o...

journal_title：Parasitology

authors： James DM,Born GV

更新日期：1980-10-01 00:00:00

abstract：:The protein composition of Schistosoma mansoni was analysed by electrophoresis in polyacrylamide slab gel in the presence of sodium dodecyl sulphate. A high degree of identity existed between protein patterns obtain from immature and adult parasites of the two sexes. Some stage-and sex-specific components were indenti...

journal_title：Parasitology

authors： Ruppel A,Cioli D

更新日期：1977-12-01 00:00:00

abstract：:Part of Robert T. Leiper's (1881-1969) lasting legacy in medical helminthology is grounded on his pioneering work on schistosomiasis (Bilharzia). Having undertaken many expeditions to the tropics, his fascination with parasite life cycles typically allowed him to devise simple preventive measures that curtailed transm...

journal_title：Parasitology

authors： Stothard JR,Kabatereine NB,Archer J,Al-Shehri H,Tchuem-Tchuenté LA,Gyapong M,Bustinduy AL

更新日期：2017-10-01 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：: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：:Host-parasite interactions are shaped by the co-evolutionary arms race of parasite virulence, transmission success as well as host resistance and recovery. The virulence and fitness of parasites may depend on host condition, which is mediated, for instance, by host energy constraints. Here, we investigated to what ext...

journal_title：Parasitology

authors： Coors A,De Meester L

更新日期：2011-01-01 00:00:00

abstract：:A polymorphic set of 14 kDa excretory-secretory (E-S) antigen-encoding cDNAs, with similarity to a previously characterized 15 kDa E-S antigen of Haemonchus contortus, was cloned from Cooperia punctata. Five cDNAs encoding predicted proteins of 70-80% identity were sequenced. Genomic analyses of individuals proved the...

journal_title：Parasitology

authors： Yatsuda AP,De Vries E,Vieira Bressan MC,Eysker M

更新日期：2001-12-01 00:00:00

abstract：:Differentiation of epimastigotes and production of infective metacyclic forms of Trypanosoma congolense were examined in a culture system which enabled manipulation of the population density of insect forms. Scanning electron microscopy of cultures revealed the attachment sites of epimastigotes in detail, showing them...

journal_title：Parasitology

authors： Prain CJ,Ross CA

更新日期：1990-02-01 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：:Increased permeability of capillaries and venules, labelled with colloidal carbon, was observed in the superficial mucosa of the small intestine of sheep infected with Trichostrongylus colubriformis. The labelled vessels were restricted to infected portions of the gut, and the intensity of labelling appeared to be re...

journal_title：Parasitology

authors： Barker IK

更新日期：1975-04-01 00:00:00

abstract：:Cercariae of the bird schistosome Trichobilharzia regenti and of the human schistosome Schistosoma mansoni employ proteases to invade the skin of their definitive hosts. To investigate whether a similar proteolytic mechanism is used by both species, cercarial extracts of T. regenti and S. mansoni were biochemically ch...

journal_title：Parasitology

authors： Kasný M,Mikes L,Dalton JP,Mountford AP,Horák P

更新日期：2007-10-01 00:00:00

abstract：:In recent years, through a national programme for schistosomiasis control, this infection has been eliminated from Iran. The aim of this study was to report the process of significant decrease of urogenital schistosomiasis in southwestern Iran. During national programme surveillance for urogenital schistosomiasis cont...

journal_title：Parasitology

authors： Khademvatan S,Salmanzadeh S,Foroutan-Rad M,Ghomeshi M

更新日期：2016-09-01 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 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：:Susceptability of Ascaridia galli to benzimidazole (BZ) was investigated using faecal egg count reduction test (FECRT), in ovo larval development test (LDT) and genetic markers (mutations at codons 167, 198 and 200 of β-tubulin gene). Six flocks (F1-F6) of a commercial laying hen farm with different number of exposure...

journal_title：Parasitology

authors： Tarbiat B,Jansson DS,Tydén E,Höglund J

更新日期：2017-09-01 00:00:00

abstract：:The impact of immunization with gentamicin-attenuated Leishmania infantum (H-line) on the immunophenotypic profile of popliteal lymph node (PLN) and peripheral blood mononuclear cells (PBMCs) of dogs was assessed by flow cytometry and immunohistochemistry. Compared with the dogs infected with L. infantum wild-type (Gr...

journal_title：Parasitology

authors： Daneshvar H,Sedghy F,Dabiri S,Kamiabi H,Molaei MM,Phillips S,Burchmore R

更新日期：2012-11-01 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：:Many clinically useful antibacterial drugs have intracellular target sites. Therefore, in order to reach their targets, these compounds must be able to cross bacterial outer and cytoplasmic membranes. Considerable information is available on the mechanisms by which antibiotics cross bacterial membranes and, in many ca...

journal_title：Parasitology

authors： Chopra I

更新日期：1988-01-01 00:00:00

abstract：:Cryptosporidium parvum is a zoonotic protozoan parasite that mainly affects the ileum of humans and livestock, with the potential to cause severe enteric disease. We describe the complete life cycle of C. parvum in an in vitro system. Infected cultures of the human ileocecal epithelial cell line (HCT-8) were observed ...

journal_title：Parasitology

authors： Borowski H,Thompson RC,Armstrong T,Clode PL

更新日期：2010-01-01 00:00:00

abstract：:The effect of the parasitic swimbladder nematode, Anguillicola crassus, on the physiological status of wild European eels (Anguilla anguilla) was investigated during an 18 month survey (February 1995 until September 1996), and compared with that of wild uninfected eels collected over the same time-period. Despite the ...

journal_title：Parasitology

authors： Kelly CE,Kennedy CR,Brown JA

更新日期：2000-02-01 00:00:00

abstract：:Sequence comparisons have recently shown that the Schistosoma mansoni protein Sm32 is similar to asparaginyl endoproteinases, a novel family of cysteine proteinases, of which the legumains from legumes are the best characterized. By synthesizing and employing fluorogenic peptide substrates for the specific detection o...

journal_title：Parasitology

authors： Dalton JP,Hola-Jamriska L,Brindley PJ

更新日期：1995-12-01 00:00:00

abstract：:Aiming to further characterize the haemocyte subsets in Biomphalaria snails, we have performed a detailed flow cytometric analysis of whole haemolymph cellular components using a multiparametric dual colour labelling procedure. Ethidium bromide/acridine orange fluorescence features were used to first select viable hae...

journal_title：Parasitology

authors： Martins-Souza RL,Pereira CA,Coelho PM,Martins-Filho OA,Negrão-Corrêa D

更新日期：2009-01-01 00:00:00

abstract：:Like in other trypanosomatids D-glucose is a crucial source of energy to Trypanosoma rangeli, a non-pathogenic parasite that in Central and South America infects triatomine vectors and different mammalian species, including humans. In several trypanosome species, D-glucose transporters were already described and clone...

journal_title：Parasitology

authors： Miletti LC,Koerich LB,Pacheco LK,Steindel M,Stambuk BU

更新日期：2006-12-01 00:00:00

abstract：:We examined the effects of Haemoproteus infection on the survival and pathology caused in the biting midges. Forty-six females of Culicoides impunctatus were exposed experimentally by allowing them to feed on a naturally infected red-backed shrike infected with Haemoproteus lanii (lineage hRB1, gametocytaemia 5·2%). S...

journal_title：Parasitology

authors： Bukauskaitė D,Bernotienė R,Iezhova TA,Valkiūnas G

更新日期：2016-11-01 00:00:00

abstract：:The effects of dietary urea supplementation and of a 10-week trickle infection regime, simulating chronic exposure to Haemonchus contortus, on the zymogenic population of the abomasa of Hampshire Down lambs was examined. At necropsy a variety of parameters including plasma pepsinogen concentration, the wet weights of ...

journal_title：Parasitology

authors： Scott I,Stear MJ,Irvine J,Dick A,Wallace DS,McKellar QA

更新日期：1998-06-01 00:00:00

abstract：:Given the worldwide decline of amphibian populations due to emerging infectious diseases, it is imperative that we identify and address the causative agents. Many of the pathogens recently implicated in amphibian mortality and morbidity have been fungal or members of a poorly understood group of fungus-like protists, ...

journal_title：Parasitology

authors： Raffel TR,Bommarito T,Barry DS,Witiak SM,Shackelton LA

更新日期：2008-02-01 00:00:00

abstract：:In this study, we describe the molecular analysis of zinc-metalloproteases from the abomasal nematode Ostertagia ostertagi which were exclusively recognized by local antibodies of immune cattle. Full-length or partial coding sequences of 4 different zinc-metalloprotease cDNAs of Ostertagia (met-1, -2, -3 and -4) were ...

journal_title：Parasitology

authors： De Maere V,Vercauteren I,Geldhof P,Gevaert K,Vercruysse J,Claerebout E

更新日期：2005-01-01 00:00:00

abstract：:The transmission-blocking monoclonal antibody 13.1, which recognizes the ookinete surface antigen Pbs21 of Plasmodium berghei, and an IgG2a isotype control antibody 26.37 were purified by caprylic acid and ammonium sulphate precipitation. Fab fragments were prepared by papain digestion. IgG but not Fab from antibody 1...

journal_title：Parasitology

authors： Ranawaka GR,Alejo-Blanco AR,Sinden RE

更新日期：1994-07-01 00:00:00

abstract：:Small RNAs are important regulators of gene expression. They were first identified in Caenorhabditis elegans, but it is now apparent that the main small RNA silencing pathways are functionally conserved across diverse organisms. Availability of genome data for an increasing number of parasitic nematodes has enabled bi...

journal_title：Parasitology

authors： Britton C,Laing R,Devaney E

更新日期：2020-07-01 00:00:00