The course of Plasmodium berghei, P. chabaudi and P. yoelii infections in beta-thalassaemic mice.

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：:We estimate the incidence rate, serological conversion rate and basic case reproduction number (R0) of Leishmania infantum from a cohort study of 126 domestic dogs exposed to natural infection rates over 2 years on Marajó Island, Pará State, Brazil. The analysis includes new methods for (1) determining the number of s...

journal_title：Parasitology

authors： Quinnell RJ,Courtenay O,Garcez L,Dye C

更新日期：1997-08-01 00:00:00

abstract：:The cumulative effect of co-infections between pathogen pairs on the haematological response of East African Short-horn Zebu calves is described. Using a longitudinal study design a stratified clustered random sample of newborn calves were recruited into the Infectious Diseases of East African Livestock (IDEAL) study ...

journal_title：Parasitology

authors： Van Wyk IC,Goddard A,de C Bronsvoort BM,Coetzer JA,Handel IG,Hanotte O,Jennings A,Lesosky M,Kiara H,Thumbi SM,Toye P,Woolhouse MW,Penzhorn BL

更新日期：2014-03-01 00:00:00

abstract：:The extent of sequence diversity among the genes encoding 10 antigens (Tp1-10) known to be recognized by CD8+ T lymphocytes from cattle immune to Theileria parva was analysed. The sequences were derived from parasites in 23 buffalo-derived cell lines, three cattle-derived isolates and one cloned cell line obtained fro...

journal_title：Parasitology

authors： Sitt T,Pelle R,Chepkwony M,Morrison WI,Toye P

更新日期：2018-09-01 00:00:00

abstract：:Parasites have a major impact on global finfish and shellfish aquaculture, having significant effects on farm production, sustainability and economic viability. Parasite infections and impacts can, according to pathogen and context, be considered to be either unpredictable/sporadic or predictable/regular. Although bot...

journal_title：Parasitology

authors： Shinn AP,Pratoomyot J,Bron JE,Paladini G,Brooker EE,Brooker AJ

更新日期：2015-01-01 00:00:00

abstract：:Multiplication of Plasmodium parasites within human erythrocytes is essential to malarial disease. The cell-division cycle of this organism, however, is still poorly understood. In other eukaryotes, various techniques for (apparent) cell-cycle synchronization have been used to shed light on the mechanisms involved in ...

journal_title：Parasitology

authors： Naughton JA,Bell A

更新日期：2007-03-01 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：: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：: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：:Trypanosomes are blood-borne parasites that can infect a variety of different vertebrates, including animals and humans. This study aims to broaden scientific knowledge about the presence and biodiversity of trypanosomes in Australian bats. Molecular and morphological analysis was performed on 86 blood samples collect...

journal_title：Parasitology

authors： Austen JM,Van Kampen E,Egan SL,O'Dea MA,Jackson B,Ryan UM,Irwin PJ,Prada D

更新日期：2020-12-01 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：:Patterns of genetic subdivision in parasite populations can provide important insights into transmission processes and complement information obtained using traditional epidemiological techniques. We describe mitochondrial sequence variation in 265 Ascaris collected from 62 individual hosts (humans and pigs) from 35 h...

journal_title：Parasitology

authors： Anderson TJ,Romero-Abal ME,Jaenike J

更新日期：1995-02-01 00:00:00

abstract：:Blood examination by microhaematocrit and haemoculture of 459 snakes belonging to 37 species revealed 2.4% trypanosome prevalence in species of Viperidae (Crotalus durissus and Bothrops jararaca) and Colubridae (Pseudoboa nigra). Trypanosome cultures from C. durissus and P. nigra were behaviourally and morphologically...

journal_title：Parasitology

authors： Viola LB,Campaner M,Takata CS,Ferreira RC,Rodrigues AC,Freitas RA,Duarte MR,Grego KF,Barrett TV,Camargo EP,Teixeira MM

更新日期：2008-04-01 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：:Factors which may be important in the large-scale extraction of coccidial oocysts from faeces ha.ve been investigated with Eimeria tenella. Age of bird, inoculum, feeding status at the time of inoculation, period of collection, feeding status during collection, collection medium, homogenization and sieving, flotation,...

journal_title：Parasitology

authors： Ryley JF,Meade R,Hazelhurst J,Robinson TE

更新日期：1976-12-01 00:00:00

abstract：:Two cDNAs encoding cysteine proteinases were isolated from a cDNA library constructed from feeding females of Heterodera glycines. The library was screened with a cysteine proteinase gene fragment originally amplified from cDNA of H. glycines. Database searches predict that 1 cDNA (hgcp-I) encodes a cathepsin L-like p...

journal_title：Parasitology

authors： Urwin PE,Lilley CJ,McPherson MJ,Atkinson HJ

更新日期：1997-06-01 00:00:00

abstract：:Oocysts of fowl coccidia, suspended in a 12% aqueous solution of alginic acid, were dropped into 5% calcium chloride solution to form beads. Following ingestion by chicks, excystation of sporozoites was not affected. Oocyst viability was best when beads were air-dried to 33% of their original weight and stored in airt...

journal_title：Parasitology

authors： Norton CC,Joyner LP

更新日期：1986-06-01 00:00:00

abstract：:Heparin-binding proteins (HBPs) play a key role in Trypanosoma cruzi-host cell interactions. HBPs recognize heparan sulfate (HS) at the host cell surface and are able to induce the cytoadherence and invasion of this parasite. Herein, we analysed the biochemical properties of the HBPs and also evaluated the expression ...

journal_title：Parasitology

authors： Oliveira FO Jr,Alves CR,Silva FS,Côrtes LM,Toma L,Bouças RI,Aguilar T,Nader HB,Pereira MC

更新日期：2013-02-01 00:00:00

abstract：:The pentastomid parasite, Raillietiella frenata, is native to Asia where it infects the Asian House gecko, Hemidactylus frenatus. This gecko has been widely introduced and recently R. frenata was found in introduced populations of cane toads (Rhinella marina) in Australia, indicating a host-switch from introduced geck...

journal_title：Parasitology

authors： Kelehear C,Saltonstall K,Torchin ME

更新日期：2015-04-01 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：:Studies of the kinetics of adenosine transport were carried out on the P1 and P2 transporters of drug-sensitive Trypanosoma evansi and its cloned derivative, resistant to the melaminophenyl arsenical Mel CY. Characterization of adenosine uptake was made by estimation of the maximum concentration taken up at time infin...

journal_title：Parasitology

authors： Suswam EA,Ross CA,Martin RJ

更新日期：2003-12-01 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：: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：:The tegumental surface of Schistosoma mansoni sporocysts is the site of both nutritive and immunological interactions with haemolymph cells and plasma of Biomphalaria glabrata, the schistosome intermediate host. Within minutes of being placed in host plasma, sporocysts acquire plasma antigens, and within 3 h host plas...

journal_title：Parasitology

authors： Bayne CJ,Loker ES,Yui MA

更新日期：1986-06-01 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

abstract：:The radiation-attenuated schistosome vaccine induces a high level of protective immunity in rodents. In order to assess its potential relevance to man, we have tested its efficacy in the non-human primate Papio anubis. A vaccination regime consisting of 3 exposures of approximately 9000 cercariae irradiated with 30 or...

journal_title：Parasitology

authors： Yole DS,Pemberton R,Reid GD,Wilson RA

更新日期：1996-01-01 00:00:00

abstract：:Trichomonas vaginalis induces cellular damage to the host cells (cytotoxicity) through the proteolytic activity of multiple proteinases of the cysteine type (CPs). Some CPs are modulated by environmental factors such as iron, zinc, polyamines, etc. Thus, the goal of this study was to assess the effect of glucose on T....

journal_title：Parasitology

authors： Miranda-Ozuna JFT,Rivera-Rivas LA,Cárdenas-Guerra RE,Hernández-García MS,Rodríguez-Cruz S,González-Robles A,Chavez-Munguía B,Arroyo R

更新日期：2019-08-01 00:00:00

abstract：:This cross-sectional study aimed to determine the prevalence and risk factors of S. stercoralis infection among 1142 Orang Asli primary schoolchildren in six different states of Peninsular Malaysia. Fecal samples were examined using direct smear, formalin-ether sedimentation (FES), agar plate culture (APC) and PCR tec...

journal_title：Parasitology

authors： Al-Mekhlafi HM,Nasr NA,Lim YAL,Elyana FN,Sady H,Atroosh WM,Dawaki S,Anuar TS,Noordin R,Mahmud R

更新日期：2019-10-01 00:00:00

abstract：:The localization and distribution of neuropeptides in the nervous system of the liver fluke, Fasciola hepatica at different stages in the development of the adult fluke have been determined by an indirect immunofluorescence technique, using antisera to 19 vertebrate peptides and the invertebrate neuropeptide, FMRFamid...

journal_title：Parasitology

authors： Magee RM,Fairweather I,Johnston CF,Halton DW,Shaw C

更新日期：1989-04-01 00:00:00

abstract：:Longitudinal muscles in adult male Schistosoma mansoni appear to remain in almost all respects functional after tegumental disruption by Triton X-100. Responses to high K+, ouabain, low temperature, praziquantel and neurotransmitters are still present. Muscle membrane potentials remain near those of control animals an...

journal_title：Parasitology

authors： Depenbusch JW,Thompson DP,Pax RA,Bennett JL

更新日期：1983-08-01 00:00:00