Gill monogenean communities (Platyhelminthes, Monogenea, Dactylogyridae) of butterflyfishes from tropical Indo-West Pacific Islands.

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：:We cloned and expressed Echinostoma caproni HSP70 in Escherichia coli. This molecule presents an open reading frame (ORF) of 655 amino acids, and a theoretical molecular weight of 71 kDa. E. caproni HSP70 protein showed a high homology to other helminth molecules, major differences being located in the C-terminal regi...

journal_title：Parasitology

authors： Higón M,Monteagudo C,Fried B,Esteban JG,Toledo R,Marcilla A

更新日期：2008-10-01 00:00:00

abstract：:A study carried out on a sheep farm examined whether Toxoplasma gondii foetal infection and associated abortion occur in successive lambings. We identified 29 ewes that gave birth to lambs on at least 2 successive years over our study period, 2000-2003. Tissue samples from the progeny of these ewes were analysed by PC...

journal_title：Parasitology

authors： Morley EK,Williams RH,Hughes JM,Thomasson D,Terry RS,Duncanson P,Smith JE,Hide G

更新日期：2008-02-01 00:00:00

abstract：:Despite the great interest to quantify the structure of host-parasite interaction networks, the real influence of some factors such as taxonomy, host body size and ecological opportunity remains poorly understood. In this paper, we investigate the general patterns of organization and structure of interactions in two a...

journal_title：Parasitology

authors： D'Bastiani E,Campião KM,Boeger WA,Araújo SBL

更新日期：2020-11-01 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：:The anticoccidial effect of narasin against Eimeria flavescens, E. intestinalis, E. magna, E. perforans and E. stiedai was tested in experimentally infected rabbits. The drug was highly effective in reducing oocyst output and in preventing clinical signs. Maximum activity as measured by oocyst discharge was achieved w...

journal_title：Parasitology

authors： Peeters JE,Geeroms R,Antoine O,Mammerickx M,Halen P

更新日期：1981-10-01 00:00:00

abstract：:Malaria remains a major cause of human morbidity and mortality worldwide. Plasmodium falciparum, the most virulent of the 4 human Plasmodium species causing malaria, is potentially life threatening, is increasing in prevalence and is becoming even more resistant to in-use drugs. In light of the growing problem of mult...

journal_title：Parasitology

authors： Mahajan SS,Kamath VR,Ghatpande SS

更新日期：2005-10-01 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：: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：:The epicontinental fauna of the Iberian Peninsula is strongly influenced by its geographical history. As the possibilities for dispersion of organisms into and from this region were (and still are) limited, the local fauna consists almost exclusively of endemic species. Almost all Iberian freshwater fishes of the fami...

journal_title：Parasitology

authors： Benovics M,Desdevises Y,Šanda R,Vukić J,Scheifler M,Doadrio I,Sousa-Santos C,Šimková A

更新日期：2020-04-01 00:00:00

abstract：:Steroids have been shown to be beneficial in patients and mice with eosinophilic meningitis caused by Angiostrongylus cantonensis infection; however, the mechanism for this beneficial effect is unknown. We speculated that the effect of steroids in eosinophilic meningitis caused by A. cantonensis infection may be media...

journal_title：Parasitology

authors： Tsai HC,Chen YH

更新日期：2020-10-02 00:00:00

abstract：:Ocular, peroral, intraperitoneal, intramuscular, and subcutaneous inoculation of severe combined immunodeficient (SCID) mice with spores of the human isolate (CDC: V404) of Brachiola algerae (syn. Nosema algerae) (Phylum Microspora) revealed that the microsporidium develops in viscera of the immunodeficient mouse host...

journal_title：Parasitology

authors： Koudela B,Visvesvara GS,Moura H,Vávra J

更新日期：2001-08-01 00:00:00

abstract：:Pinewood nematode, Bursaphelenchus xylophilus, a pine parasitic nematode, poses a serious threat to its host pine forests globally. When dispersal-stage larvae 4 (dauer, DL4) of B. xylophilus enters the new pine, it moults into propagative adult (dauer recovery) and reproduces quickly to kill the host pine. Here, we f...

journal_title：Parasitology

authors： Zhang W,Li Y,Pan L,Wang X,Feng Y,Zhang X

更新日期：2020-01-01 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：:A metabolic pathway known as the mannitol cycle has been identified in Eimerian parasites. The pathway is a shunt off of the glycolytic pathway at fructose-6-phosphate (F6P). Two enzymes convert F6P to mannitol and two other enzymes are responsible for converting mannitol back to F6P when it is utilized. Although the ...

journal_title：Parasitology

authors： Schmatz DM

更新日期：1997-01-01 00:00:00

abstract：:Why do parasites kill their hosts? During this past decade, research in three different areas; evolutionary ecology, medical microbiology, and population genetics has provided theory and data that address this and related questions of selection and the evolution and maintenance of parasite virulence. A general theory ...

journal_title：Parasitology

authors： Levin BR,Svanborg Edén C

更新日期：1990-01-01 00:00:00

abstract：:The capacity of Acanthocheilonema viteae to metabolize fructose was investigated in vitro. In common with other filarial species A. viteae oxidized fructose to lactate but its rate of consumption was only 40% of the glucose-containing control value. Fructose was not incorporated into glycogen. Release of 14CO2 from [U...

journal_title：Parasitology

authors： Hayes DJ,Carter NS

更新日期：1990-12-01 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：: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：SUMMARY:The spermatozoa of ticks are anomalous in many respects: they are very large, cytoplasm-rich cells which lack a flagellum but move with a peculiar gliding motility. Their metamorphosis after deposition in the female has been well documented, but many of the subsequent events in the career of the spermatozoa are...

journal_title：Parasitology

authors： Resler JH,Frazier JL,Shepherd JG,Modafferi JD

更新日期：2009-04-01 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：: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：:We have previously reported that the mechanisms of neuromyopathic damage induced by Trypanosoma cruzi are mediated by T cells and are parasite-strain dependent. In the present study our aim was to determine whether the humoral response against muscle and nervous system is also parasite-strain dependent. Of the sera fr...

journal_title：Parasitology

authors： Tekiel VS,Mirkin GA,Gonzalez Cappa SM

更新日期：1997-11-01 00:00:00

abstract：:Schistosomiasis is a health problem in Brazil and the role of rodents in maintaining the schistosome life-cycle requires further clarification. The influence of Schistosoma mansoni on a population of Nectomys squamipes was studied by capture-recapture (1st phase, from June 1991 to November 1995) and removal (2nd phase...

journal_title：Parasitology

authors： D'Andrea PS,Maroja LS,Gentile R,Cerqueira R,Maldonado Júnior A,Rey L

更新日期：2000-06-01 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：: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：:In previous studies, ultrastructural observations revealed a large number of gap junctions (GJs) in the neck and immature proglottid tissues of Taenia solium tapeworms. In these helminths, cytoplasmic glycogen sacs are connected by numerous discrete GJs to other cells throughout the maturing strobilar tissue. Disconti...

journal_title：Parasitology

authors： Zurabian R,Landa A,Robert L,Willms K

更新日期：2008-08-01 00:00:00

abstract：:Leishmania are obligatory intracellular parasitic protozoa that cycle between sand fly mid-gut and phagolysosomes of mammalian macrophages. They have developed genetically programmed changes in gene and protein expression that enable rapid optimization of cell function according to vector and host environments. During...

journal_title：Parasitology

authors： Tsigankov P,Gherardini PF,Helmer-Citterich M,Zilberstein D

更新日期：2012-08-01 00:00:00

abstract：:The individual and combined effects of cadmium (Cd) and 3,3',4,4',5-pentachlorobiphenyl (PCB 126) on the antibody response of fish against metazoan parasites were tested. Eels experimentally infected with the swim bladder nematode Anguillicola crassus were exposed to sublethal concentrations of Cd and PCB 126. Cd was ...

journal_title：Parasitology

authors： Sures B,Knopf K

更新日期：2004-04-01 00:00:00

abstract：:Parasites can have a wide range of pathophysiological effects on the host. This review describes those associated with some parasites of major importance in man and animals. Haemoprotozoan diseases such as trypanosomiasis and malaria are primarily associated with anaemia. Such anaemias have a complex aetiology involvi...

journal_title：Parasitology

authors： Holmes PH

更新日期：1987-01-01 00:00:00