Sialic acid analysis and tritium-labelling of sialoglycoproteins of mouse erythrocytes infected with Plasmodium berghei.

abstract：:By means of conventional light microscopical and counting procedures, estimations have been made of the average number and size of ovarian balls from unfertilized and fertilized female Moniliformis dubius. The observations were made on worms recovered from experimental primary infections lasting 1, 2, 3, 4, 5, 8, 11, ...

journal_title：Parasitology

authors： Crompton DW,Arnold S

更新日期：1976-08-01 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：: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：:Freshwater snails of the Bulinus forskalii group are one of four Bulinus species complexes responsible for the transmission of schistosomes in Africa and adjacent regions. The species status of these conchologically variable and widely distributed planorbids remains unclear, and parasite compatibility varies considera...

journal_title：Parasitology

authors： Jones CS,Rollinson D,Mimpfoundi R,Ouma J,Kariuki HC,Noble LR

更新日期：2001-01-01 00:00:00

abstract：:SUMMARY The necessity to easily establish Histomonas meleagridis cultures has been underlined extensively by many researchers in order to gain more insights in the biology of H. meleagridis. In addition the occurrence of different protozoa in the caeca of birds impedes, however, the isolation and propagation of H. mel...

journal_title：Parasitology

authors： Pham AD,Mast J,DE Gussem JK,McDougald LR,Goddeeris BM

更新日期：2013-09-01 00:00:00

abstract：:Responses to Taenia taeniaeformis infection were studied in mice with severe combined immunodeficiency (scid), which lack functional T and B lymphocytes. In the early phase of infection, accumulation of polymorphonuclear leucocytes (PML) occurred around the larvae in the liver of scid mice and their immunocompetent co...

journal_title：Parasitology

authors： Ishiwata K,Oku Y,Ito M,Kamiya M

更新日期：1992-04-01 00:00:00

abstract：:Trichinella spiralis infections may lead to the loss of behavioural dominance among male mice. Reversals of dominance order first appear at the time when newborn larvae are released into the circulation of the host. The duration of dominance reversals bears no relationship to the number of muscle larvae harboured. ...

journal_title：Parasitology

authors： Rau ME

更新日期：1984-04-01 00:00:00

abstract：:An enzymatic comparison has been made between isolates of Schistosoma mansoni from rats and humans in Guadeloupe and a Burundi isolate of S. rodhaini. Analyses of LDH, MDH, AcP, PGM, GPI, G6PDH and HK by isoelectric focusing provided no evidence for the involvement of S. rodhaini in the recent evolution of the schisto...

journal_title：Parasitology

authors： Rollinson D,Imbert-Establet D,Ross GC

更新日期：1986-08-01 00:00:00

abstract：:Multiple parasitic infections have become increasingly recognized as a result of improvements in laboratory diagnosis and a growing population of immunocompromised individuals. This review examines the principles of chemotherapy in groupings of multiple infections which are of particular clinical significance. ...

journal_title：Parasitology

authors： Chiodini PL

更新日期：2001-01-01 00:00:00

abstract：:We assessed the distribution of Trypanosoma cruzi Discrete Typing Units (DTUs) in domestic and peridomestic Triatoma infestans and Triatoma sordida specimens collected in a well-defined rural area in Pampa del Indio, northeastern Argentina. Microscopically-positive bugs were randomly selected with a multi-level sampli...

journal_title：Parasitology

authors： Maffey L,Cardinal MV,Ordóñez-Krasnowski PC,Lanati LA,Lauricella MA,Schijman AG,Gürtler RE

更新日期：2012-10-01 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：:Murine monoclonal antibodies (mAbs) against Neospora caninum tachyzoites were produced to identify the cross-reactive antigens between N. caninum and Toxoplasma gondii. Ten mAbs recognizing cross-reactive antigens of both parasites were obtained and tentatively classified into 6 different groups based on their reactiv...

journal_title：Parasitology

authors： Liao M,Xuan X,Huang X,Shirafuji H,Fukumoto S,Hirata H,Suzuki H,Fujisaki K

更新日期：2005-05-01 00:00:00

abstract：:We present a new phylogenetic analysis of 15 primate Plasmodium species based on 18S rDNA sequences including new sequences of Plasmodium coatneyi, P. fieldi, P. gonderi, P. hylobati and P. simium. The results are discussed in the context of the parasite host species and their geographical distribution. Contrary to ot...

journal_title：Parasitology

authors： Leclerc MC,Hugot JP,Durand P,Renaud F

更新日期：2004-12-01 00:00:00

abstract：:We investigated intestinal trichomonads in western lowland gorillas, central chimpanzees and humans cohabiting the forest ecosystem of Dzanga-Sangha Protected Area in Central African Republic, using the internal transcribed spacer (ITS) region and SSU rRNA gene sequences. Trichomonads belonging to the genus Tetratrich...

journal_title：Parasitology

authors： Petrželková KJ,Smejkalová P,Céza V,Pafčo B,Shutt-Phillips KA,Todd A,Jirků-Pomajbíková K,Benavides J,Modrý D,Čepička I

更新日期：2020-02-01 00:00:00

abstract：:The effects of the phenothiazine, Stelazine, on Hymenolepis diminuta were investigated. The cestode was incubated for 10 min at 37 degrees C with 1 mM trifluoperazine, in the presence and absence of Ca2+. Assay of brush border enzymes showed that drug treatment lowered the activities of alkaline phosphatase, Ca2+-ATP'...

journal_title：Parasitology

authors： Hipkiss JB,Skinner A,Branford White CJ

更新日期：1987-02-01 00:00:00

abstract：:Judged by oocyst production, infections with Eimeria acervulina in birds immunized with E. maxima were consistently higher than in birds which had not been immunized. Oocyst production of E. maxima in birds previously infected with E. acervulina was greater, in three out of four experiments, than in control chickens,...

journal_title：Parasitology

authors： Rose ME

更新日期：1975-04-01 00:00:00

abstract：:The flatworm nervous system employs a wide repertoire of neuroactive substances, including small chemical messengers, the so called classical transmitters, and several types of neuropeptides. A large body of research accumulated over four decades has provided a wealth of information on the tissue localization and effe...

journal_title：Parasitology

authors： Ribeiro P,El-Shehabi F,Patocka N

更新日期：2005-01-01 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：:Ivermectin treatment may induce severe adverse reactions in some individuals heavily infected with Loa loa. This hampers the implementation of mass ivermectin treatment against onchocerciasis in areas where Onchocerca volvulus and L. loa are co-endemic. In order to identify factors, including co-infections, which may ...

journal_title：Parasitology

authors： Pion SD,Clarke P,Filipe JA,Kamgno J,Gardon J,Basáñez MG,Boussinesq M

更新日期：2006-06-01 00:00:00

abstract：:A rapid, visually read, dot-ELISA developed for the detection and differentiation of trypanosome species in tsetse flies (Glossina spp.), was field tested alongside the standard fly dissection method on a range in south eastern Kenya. Of 104 G. pallidipes dissected, 2 were found to be infected with trypanosomes in the...

journal_title：Parasitology

authors： Bosompem KM,Masake RA,Assoku RK,Opiyo EA,Nantulya VM

更新日期：1996-02-01 00:00:00

abstract：:Common bird species were screened during May and June 2007 on Barbados for haemosporidian parasites (Haemosporida) of the genera Haemoproteus and Plasmodium to determine whether the low parasite diversity reported in previous studies might have reflected limited sampling. PCR screening and DNA sequencing revealed a si...

journal_title：Parasitology

authors： Maria L,Svensson E,Ricklefs RE

更新日期：2009-09-01 00:00:00

abstract：:Solid experimental evidence indicates that EBA-175 is used as a ligand by the Plasmodium falciparum merozoite to bind to human RBC, via different binding processing fragments. Using synthetic peptides and specific receptor-ligand interaction methodology, we have identified 6 high-activity binding sequences from the EB...

journal_title：Parasitology

authors： Rodriguez LE,Urquiza M,Ocampo M,Suarez J,Curtidor H,Guzman F,Vargas LE,Triviños M,Rosas M,Patarroyo ME

更新日期：2000-03-01 00:00:00

abstract：:Protoscoleces of Echinococcus granulosus absorb the L-amino acids proline, methionine, leucine, alanine, serine, phenylalanine, lysine and glutamic acid by a combination of mediated transport and diffusion. All eight amino acids were accumulated against a concentration gradient. Comparison of Kt and Vmax values sugges...

journal_title：Parasitology

authors： Jeffs SA,Arme C

更新日期：1987-08-01 00:00:00

abstract：:Engorged Ixodes ricinus nymphs collected from sheep resident in an upland UK field site were significantly lighter than nymphs that engorged on previously tick-naïve sheep, indicating that site-resident sheep continually exposed to ticks acquired anti-tick resistance. The weights of engorged nymphs that fed on natural...

journal_title：Parasitology

authors： Ogden NH,Casey AN,French NP,Adams JD,Woldehiwet Z

更新日期：2002-02-01 00:00:00

abstract：:Nematodes are amongst the most successful and abundant organisms on the planet with approximately 30 000 species described, although the actual number of species is estimated to be one million or more. Despite sharing a relatively simple and invariant body plan, there is considerable diversity within the phylum. Nemat...

journal_title：Parasitology

authors： Gillan V,Devaney E

更新日期：2014-08-01 00:00:00

abstract：:The understanding of the patterns and processes underlying the structure of parasite communities has progressed significantly in the last years; however, much of the evidence available to date on parasite community comes from unconfirmed studies. In this study the ectoparasite communities of 2 related rockfishes, Seba...

journal_title：Parasitology

authors： González MT,Oliva ME

更新日期：2006-09-01 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：: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：:With the increased availability of multilocus sequence data, the lack of concordance of gene trees estimated for independent loci has focused attention on both the biological processes producing the discord and the methodologies used to estimate phylogenetic relationships. What has emerged is a suite of new analytical...

journal_title：Parasitology

authors： Knowles LL,Klimov PB

更新日期：2011-11-01 00:00:00

abstract：:Genome assemblies can form the basis of comparative analyses fostering insight into the evolutionary genetics of a parasite's pathogenicity, host-pathogen interactions, environmental constraints and invasion biology; however, the length and complexity of many parasite genomes has hampered the development of well-resol...

journal_title：Parasitology

authors： Thompson PC,Zarlenga DS,Liu MY,Rosenthal BM

更新日期：2017-09-01 00:00:00