The specificity of purine base and nucleoside uptake in promastigotes of Leishmania braziliensis panamensis.

abstract：:During a longitudinal study investigating the dynamics of malaria in Ugandan lakeshore communities, a consistently high malaria prevalence was observed in young children despite regular treatment. To explore the short-term performance of artemether-lumefantrine (AL), a pilot investigation into parasite carriage after ...

journal_title：Parasitology

authors： Betson M,Sousa-Figueiredo JC,Atuhaire A,Arinaitwe M,Adriko M,Mwesigwa G,Nabonge J,Kabatereine NB,Sutherland CJ,Stothard JR

更新日期：2014-12-01 00:00:00

abstract：:Experiments to investigate the metabolism of glycine, L-glutamic acid and L-aspartic acid by Moniliformis moniliformis were carried out by incubating adult worms aerobically for 3 h at 37 degrees C in Tyrode's solution containing either [U-14C]glycine, L-[U-14C]glutamic acid, L-[U-14C]aspartic acid or L-[4-14C]asparti...

journal_title：Parasitology

authors： Ward PF,Crompton DW

更新日期：1987-06-01 00:00:00

abstract：:In this study, the proteome of axenically grown Entamoeba histolytica parasites was explored by two-dimensional gel electrophoresis (2-DE), employing a practical and effective procedure for the solubilization of E. histolytica proteins. Approximately 900 protein species in the pH range between 4 and 7 were detected by...

journal_title：Parasitology

authors： Tolstrup J,Krause E,Tannich E,Bruchhaus I

更新日期：2007-02-01 00:00:00

abstract：:Electrophoresis of secretions collected from Globodera pallida revealed a smeared region between 25 and 50 kDa, and a single band of < 20 kDa. The secretions were used to raise an antiserum (LW1). Immunoblotting of parasite homogenates with LW1 differentiated G. pallida from its sibling species G. rostochiensis and re...

journal_title：Parasitology

authors： Duncan LH,Robertson L,Robertson WM,Kusel JR

更新日期：1997-10-01 00:00:00

abstract：:Three cDNAs encoding rhoptry-associated protein 1 (RAP-1) homologues were found in the Babesia gibsoni EST database. Based on similarities to BgRAP-1a, which was identified previously by serological screening of a cDNA merozoite library, the two new genes were designated BgRAP-1b (33.7%) and BgRAP-1c (57%). Mice antis...

journal_title：Parasitology

authors： Terkawi MA,Amornthep A,Ooka H,Aboge G,Jia H,Goo YK,Nelson B,Yamagishi J,Nishikawa Y,Igarashi I,Kawazu SI,Fujisaki K,Xuan X

更新日期：2009-09-01 00:00:00

abstract：:Ligand-gated chloride channels (LGCCs) are key components of the nervous system of parasitic nematodes and important targets for anthelmintics. Here, we describe the isolation and characterization of a novel member of the LGCC gene family (HcLGCC1) from the parasitic nematode Haemonchus contortus. Sequence analysis re...

journal_title：Parasitology

authors： Forrester SG,Siddiqui SZ

更新日期：2008-04-01 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：:Cystic echinococcosis (CE) is a high prevalence zoonosis among the rural population of Tacuarembó (Uruguay). The correlation between serological data and the incidence of risk factors was studied in a survey carried out in 1998 among rural communities where 480 individuals were examined by means of abdominal sonograph...

journal_title：Parasitology

authors： Hernández A,Cardozo G,Dematteis S,Baz A,Trias N,Nuñez H,Barragué A,López L,Fuentes J,López O,Ferreira C

更新日期：2005-04-01 00:00:00

abstract：OBJECTIVE:Unravelling the determinants of parasite life-history traits in natural settings is complex. Here, we deciphered the relationships between biotic, abiotic factors and the variation in 4 life-history traits (body size, egg presence, egg number and egg size) in the fish ectoparasite Tracheliastes polycolpus. We...

journal_title：Parasitology

authors： Loot G,Poulet N,Brosse S,Tudesque L,Thomas F,Blanchet S

更新日期：2011-06-01 00:00:00

abstract：:A new model for the study of granuloma formation in the liver is described. Rats received an injection of 20,000 Schistosoma mansoni eggs in the portal vein and granuloma formation was evaluated at 3, 5 and 7 weeks post-injection. Liver collagen was estimated at the same time and serum procollagen III peptide, a marke...

journal_title：Parasitology

authors： Van Gool J,Van Tiel D,Doenhoff MJ,Van Vugt H

更新日期：1991-02-01 00:00:00

abstract：:The effect of sainfoin (Onobrychis viciifolia) hay consumption on the pathophysiology and local cellular responses of growing lambs during infection with Trichostrongylus colubriformis was investigated. Thirty-two lambs, 16 weeks of age, were allocated to 1 of 4 treatment groups (n=8) that were offered either grass (G...

journal_title：Parasitology

authors： Ríos-de Alvarez L,Greer AW,Jackson F,Athanasiadou S,Kyriazakis I,Huntley JF

更新日期：2008-08-01 00:00:00

abstract：:A number of authors have demonstrated that the schistosomicidal compound, Praziquantel (Pzq), depends for its action upon the immune status of the host (Sabah et al. 1985; Brindley & Sher, 1987; Doenhoff et al. 1987). We have attempted to define the synergistic interaction between immuno- and chemotherapy further, usi...

journal_title：Parasitology

authors： Piper KP,Mott RF,Hockley DJ,McLaren DJ

更新日期：1991-10-01 00:00:00

abstract：:Sporulated oocysts or oocyst hulls of Eimeria acervulina given via the crop, and oocyst juice or sporozoites inoculated directly into the intestinal lumen, were tested for their effects on the hypersensitivity of the intestines of immunized and susceptible birds. Only viable sporozoites consistently caused an increase...

journal_title：Parasitology

authors： Rose ME,Long PL,Bradley JW

更新日期：1975-12-01 00:00:00

abstract：:Investigations were carried out into the properties and localization of chitin synthase (EC 2.4.1.16) in connection with the formation of Ascaris suum egg-shells. The chitin synthase of eggs exhibited properties very similar to those found in other chitin-synthesizing organisms. It was stimulated by the presence of AT...

journal_title：Parasitology

authors： Dubinský P,Rybos M,Turceková L

更新日期：1986-02-01 00:00:00

abstract：:Blastocystis spp. is the most frequent infectious unicellular, luminal parasite in all species of animals and humans. It has been linked to diarrhoea and irritable bowel syndrome. Saccharomyces boulardii (Sb) is a widely used probiotic that previously showed efficacy against several intestinal pathogens. The aim of th...

journal_title：Parasitology

authors： Méabed EMH,Abdelhafez DN,Abdelaliem YF

更新日期：2019-10-01 00:00:00

abstract：:The host recognition and invasion process of Myxobolus cerebralis actinospores (triactinomyxon, TAM) was studied on a genetic level. A small-scale in vitro assay was developed to activate a large number of TAMs simultaneously, and to monitor the host invasion in the absence of live fish. The transcriptomes of non-acti...

journal_title：Parasitology

authors： Eszterbauer E,Kallert DM,Grabner D,El-Matbouli M

更新日期：2009-04-01 00:00:00

abstract：:The fine structure of the envelopes surrounding hatched and unhatched oncospheres of Hymenolepis nana has been investigated by transmission and scanning electron microscopy (SEM), together with light microscope histochemical observations of JB-4 embedded material. The oncosphere is surrounded by 3 layers--the capsule,...

journal_title：Parasitology

authors： Fairweather I,Threadgold LT

更新日期：1981-06-01 00:00:00

abstract：:If parasitic infection is a driving force in female mate choice, then females should preferentially select parasite-free males. The role of infection on female mate choice in mammals was assessed using a 3-chambered apparatus. A female CD-1 mouse was allowed to choose between 2 tethered male mice, 1 uninfected and 1 i...

journal_title：Parasitology

authors： Ehman KD,Scott ME

更新日期：2002-11-01 00:00:00

abstract：:Intraerythrocytic malaria parasites ingest the cytosol of their host cell and digest it inside their acid food vacuoles. Acidified (pH 4-5.5, 37 degrees C) human red blood cell lysates were used to simulate this process, measuring the denaturation of haemoglobin (Hb) and the release of iron, in the absence or presence...

journal_title：Parasitology

authors： Gabay T,Krugliak M,Shalmiev G,Ginsburg H

更新日期：1994-05-01 00:00:00

abstract：:DNA barcoding is now a common tool in parasitology and epidemiology, which require good methods for identification not only of parasites and pathogens but vectors and reservoirs. This special issue presents some advances and challenges in barcoding of microbes, parasites, and their vectors and reservoirs. DNA barcodin...

journal_title：Parasitology

authors： Morand S

更新日期：2018-04-01 00:00:00

abstract：:Parasitoids are parasites that invariably kill their host. Polydnaviruses are injected by parasitoid wasps into the body cavity of their insect host and cause immunosuppression, allowing the parasitoid to develop in the absence of encapsulation. One of the targets of the polydnaviruses are the haemocytes of the host, ...

journal_title：Parasitology

authors： Beckage NE

更新日期：1998-01-01 00:00:00

abstract：:Schistosomula of Schistosoma mansoni were incubated in RPMI 1640 medium containing 10% fetal calf serum, 10% human portal venous or 10% human peripheral venous sera in the presence of bromodeoxyuridine (BrdU) in order to measure differences in cell proliferation. The rates of cell proliferation as expressed by BrdU la...

journal_title：Parasitology

authors： Shaker YM,Wu CH,el-Shobaki FA,Ashour E,Khattab HM,Draz HM,Kamel R,Wu GY

更新日期：1998-10-01 00:00:00

abstract：:Expression of metalloprotease activities during metacyclogenesis of a series of strains and clones of Trypanosoma cruzi was investigated using SDS-polyacrylamide gel electrophoresis with a range of different co-polymerized proteolytic substrates. A complex pattern of metalloprotease expression, with considerable quant...

journal_title：Parasitology

authors： Lowndes CM,Bonaldo MC,Thomaz N,Goldenberg S

更新日期：1996-04-01 00:00:00

abstract：:Life-cycle stages of the microsporidia Nosema bombycis, the pathogen causing silkworm pebrine, were separated and purified by an improved method of Percoll-gradient centrifugation. Soluble protein fractions of late sporoblasts (spore precursor cells) and mature spores were analysed by two-dimensional polyacrylamide ge...

journal_title：Parasitology

authors： Cai S,Lu X,Qiu H,Li M,Feng Z

更新日期：2011-08-01 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：:This study describes morphological changes during capsule formation of Trichinella spiralis with emphasis on nuclei within the capsule. The nuclei of the pre-existing muscle cell may become hypertrophied or degrade soon after the entrance of newborn larvae. Cytoplasm associated with these hypertrophied nuclei was baso...

journal_title：Parasitology

authors： Matsuo A,Wu Z,Nagano I,Takahashi Y

更新日期：2000-08-01 00:00:00

abstract：:Macrogametogony and the formation of the oocyst wall has been examined in Eimeria acervulina. Macrogametes develop within a parasitophorous vacuole. Within the cytoplasm can be observed wall-forming bodies of Type I (WFBI) and Type II (WFBII), a nucleus, mitochondria, canaliculi and polysaccharide granules. WFBII are ...

journal_title：Parasitology

authors： Pittilo RM,Ball SJ

更新日期：1984-08-01 00:00:00

abstract：:Population genetics of multi-host pathogens offers great potential for the understanding of their complex epidemiology but care must be taken to ensure that the sampling procedure does not bias estimates of population indices. The transfer of material to laboratory passage, in particular, runs the risk of bottleneckin...

journal_title：Parasitology

authors： Shrivastava J,Gower CM,Balolong E Jr,Wang TP,Qian BZ,Webster JP

更新日期：2005-11-01 00:00:00

abstract：:Passive transfer experiments showed that 76% of the resistance induced in CBA/Ca mice by exposure to radiation-attenuated cercariae of Schistosoma mansoni could be transferred to naive recipients by administration of donor serum. The level of protection achieved depended on the volume of serum administered and immunit...

journal_title：Parasitology

authors： McLaren DJ,Smithers SR

更新日期：1988-10-01 00:00:00

abstract：:Blastocystis SSU-rDNA sequence data from 317 captive and free-living non-human primates (NHPs) representing 30 genera of apes, Old and New World (OW and NW) monkeys and prosimians were analysed to investigate subtype (ST) and allele distribution among hosts. Excluding 20 mixed ST infections, 27% of the sequences belon...

journal_title：Parasitology

authors： Alfellani MA,Jacob AS,Perea NO,Krecek RC,Taner-Mulla D,Verweij JJ,Levecke B,Tannich E,Clark CG,Stensvold CR

更新日期：2013-07-01 00:00:00