Widespread infection of the Eastern red-spotted newt (Notophthalmus viridescens) by a new species of Amphibiocystidium, a genus of fungus-like mesomycetozoan parasites not previously reported in North America.

abstract：:Canine leishmaniosis (CanL) is caused by the parasite Leishmania infantum and is a systemic disease, which can present with variable clinical signs, and clinicopathological abnormalities. Clinical manifestations can range from subclinical infection to very severe systemic disease. Leishmaniosis is categorized as a neg...

journal_title：Parasitology

authors： Hosein S,Blake DP,Solano-Gallego L

更新日期：2017-01-01 00:00:00

abstract：:Digenean parasites infecting four Cominella whelk species (C. glandiformis, C. adspersa, C. maculosa and C. virgata), which inhabit New Zealand's intertidal zone, were analysed using molecular techniques. Mitochondrial 16S and cytochrome oxidase 1 (COI) and nuclear rDNA ITS1 sequences were used to infer phylogenetic r...

journal_title：Parasitology

authors： Donald KM,Spencer HG

更新日期：2016-08-01 00:00:00

abstract：:The presence of introduced hosts can increase or decrease infections of co-introduced parasites in native species of conservation concern. In this study, we compared parasite abundance, intensity, and prevalence between native Awaous stamineus and introduced poeciliid fishes by a co-introduced nematode parasite (Camal...

journal_title：Parasitology

authors： Gagne RB,Heins DC,McIntyre PB,Gilliam JF,Blum MJ

更新日期：2016-10-01 00:00:00

abstract：:Pelodera strongyloides larvae were found in the conjunctival sacs of Apodemus sylvaticus and Clethrionomys glareolus and in hair follicles of A. sylvaticus. Those in the eyes were 3rd-stage larvae while most of those in the dermis were early 4th stages. There was no evidence of pathology and sections of the skin showe...

journal_title：Parasitology

authors： Hominick WM,Aston AJ

更新日期：1981-08-01 00:00:00

abstract：:Cryptosporidia are important protozoan parasites of vertebrates, and a number of species and genotypes, with different host ranges, have been described. In this study a protocol was established for the detection and the genetic characterization of Cryptosporidium spp. isolated from various types of surface waters (riv...

journal_title：Parasitology

authors： Ward PI,Deplazes P,Regli W,Rinder H,Mathis A

更新日期：2002-04-01 00:00:00

abstract：:Isolates of Trypanosoma cruzi from human patients, domestic and sylvatic animals and vector insects were obtained in different areas of Argentina. Electrophoretic patterns of enzymes from extracts of 95 isolates were analysed. On the basis of zymograms providing information on 10 loci, 12 zymodemes are described accor...

journal_title：Parasitology

authors： de Luca D'oro GM,Gardenal CN,Perret B,Crisci JV,Montamat EE

更新日期：1993-11-01 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：:Monensin (Mon) is an anticoccidial polyether ionophore widely used to control coccidiosis. The extensive use of polyether ionophores on poultry farms resulted in widespread resistance, but the underlying resistance mechanisms are unknown in detail. For analysing the mode of action by which resistance against polyether...

journal_title：Parasitology

authors： Thabet A,Schmidt J,Baumann S,Honscha W,VON Bergen M,Daugschies A,Bangoura B

更新日期：2018-03-01 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：: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：:The population of malaria-causing parasites is characterized by great genetic diversity. Knowledge of the polymorphism generation mechanism is a central issue for developing effective vaccines against malaria and understanding the parasite population structure. Plasmodium vivax genetic diversity has been explained in ...

journal_title：Parasitology

authors： Martinez P,Suarez CF,Cardenas PP,Patarroyo MA

更新日期：2004-04-01 00:00:00

abstract：:The community structure of monogeneans on the gills of a catfish Pimelodus albicans, in the Río de la Plata, was studied and compared with previous findings on P. maulatus. Six Monogenea species belonging to 3 genera were found: Demidospermus majusculus Kritsky & Gutiérrez, 1998; Demidospermus armostus Kritsky & Gutié...

journal_title：Parasitology

authors： Gutiérrez PA

更新日期：2001-04-01 00:00:00

abstract：:Past and more recent research has examined the ultrastructure, metabolism, cell biology, genomics and post-genomics of schistosome schistosomula. These areas are considered and discussed in this review with particular emphasis on (1) the early migration phases through the host, (2) interaction of the host immune respo...

journal_title：Parasitology

authors： Gobert GN,Chai M,McManus DP

更新日期：2007-04-01 00:00:00

abstract：:In an experiment to study the infectivity, growth and virulence of Schistocephalus solidus in their first intermediate host, copepods of the species Macrocyclops albidus were kept singly and exposed to up to 9 coracidia. Eleven or 14 days post-infection (p.i.) the presence and growth of the cestode larvae relative to ...

journal_title：Parasitology

authors： Wedekind C

更新日期：1997-09-01 00:00:00

abstract：:Intact surface membrane vesicles were obtained and purified from the schistosomula of Schistosoma mansoni. The method of preparation of the vesicles involved treating the schistosomula in a buffered high salt medium for 1 h at 4 degrees C (Step 1), and then for 1 h at 25-37 degrees C (Step 2). Vesicles were formed fro...

journal_title：Parasitology

authors： Kusel JR,Gazzinelli G,Colley DG,de Souza CP,Cordeiro MN

更新日期：1984-12-01 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 behaviour and development of Elasmosoma sp., near pergandei Ashm. (Neoneurinae: Braconidae: Hymenoptera), a parasite of the ant, Formica obscuriventris clivia Creighton, was studied in a coastal sand dune habitat in central Oregon over a 2-year period. Female wasps oviposited into the abdomen of major worker ants ...

journal_title：Parasitology

authors： Poinar G Jr

更新日期：2004-05-01 00:00:00

abstract：:We studied the pattern of infection and the inter-annual variation and individual factors affecting the infection of 2 species of nasopharyngeal bot flies, Cephenemyia auribarbis and Pharyngomyia picta (Diptera: Oestridae), in a population of Iberian red deer (Cervus elaphus hispanicus) from south central Spain (10 an...

journal_title：Parasitology

authors： Vicente J,Fierro Y,Martínez M,Gortázar C

更新日期：2004-09-01 00:00:00

abstract：:Cestodes of the genus Taenia are parasites of mammals, with mainly carnivores as definitive and herbivores as intermediate hosts. Various medium-sized cats, Lynx spp., are involved in the life cycles of several species of Taenia. The aim of the present study was to identify Taenia tapeworms in the Eurasian lynx (Lynx ...

journal_title：Parasitology

authors： Lavikainen A,Haukisalmi V,Deksne G,Holmala K,Lejeune M,Isomursu M,Jokelainen P,Näreaho A,Laakkonen J,Hoberg EP,Sukura A

更新日期：2013-04-01 00:00:00

abstract：:Highly purified mitochondrial fractions have been isolated from the intraerythrocytic stages of two mammalian Plasmodium spp., Plasmodium yoelii of rodents and Plasmodium falciparum of man. Mitochondria of the former parasite are cristate whereas those of the latter are essentially acristate. Isolated mitochondria fro...

journal_title：Parasitology

authors： Fry M,Beesley JE

更新日期：1991-02-01 00:00:00

abstract：:Recent studies of Echinococcus granulosus molecular strain typing have enabled a better understanding of the transmission cycle of cystic echinococcosis. There have been many publications in this area but there is a need for the evaluation of these tools. We have attempted to respond to this need in our study, which a...

journal_title：Parasitology

authors： Bart JM,Bardonnet K,Elfegoun MC,Dumon H,Dia L,Vuitton DA,Piarroux R

更新日期：2004-02-01 00:00:00

abstract：:In order to investigate the phenomenon of age-related immunity to visceral leishmaniasis, a 1 year prospective survey was carried out on 5671 people in a Leishmania infantum focus in north-west Iran. The average incidence rate of infection since 1985 was 2.8%/year with all ages equally at risk. One in 13 infections in...

journal_title：Parasitology

authors： Davies CR,Mazloumi Gavgani AS

更新日期：1999-09-01 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：:We have recently identified 2 surface proteins in Entamoeba histolytica as intermediate subunits of galactose- and N-acetyl-D-galactosamine-inhibitable lectin (EhIgl1 and EhIgl2); these proteins both contain multiple CXXC motifs. Here, we report the molecular characterization of the corresponding proteins in Entamoeba...

journal_title：Parasitology

authors： Tachibana H,Cheng XJ,Kobayashi S,Okada Y,Itoh J,Takeuchi T

更新日期：2007-12-01 00:00:00

abstract：SUMMARY:Clinical isolates from 3 microsporidia species, Encephalitozoon intestinalis and Encephalitozoon hellem, and the insect parasite Anncaliia (Brachiola, Nosema) algerae, were used in spore germination and enterocyte-like (C2Bbe1) cell infection assays to determine the effect of a panel of antimicrobial peptides. ...

journal_title：Parasitology

authors： Leitch GJ,Ceballos C

更新日期：2009-02-01 00:00:00

abstract：:Philasterides dicentrarchi causes a severe disease in turbot, and at present there are no drugs available to treat infected fish. We have previously demonstrated that, in addition to the classical respiratory pathway, P. dicentrarchi possesses an alternative mitochondrial respiratory pathway that is cyanide-insensitiv...

journal_title：Parasitology

authors： Mallo N,Lamas J,Leiro JM

更新日期：2014-09-01 00:00:00

abstract：:Multiple infections, those by more than one parasite in the same erythrocyte, may be adaptive for the malarial parasite as a means to ensure fertility. Alternatively they may simply be the consequence of a non-adaptive process forcing several parasites to compete for resources in one host cell. Avian hosts infected wi...

journal_title：Parasitology

authors： Martínez-de la Puente J,Merino S,Tomás G,Moreno J,Morales J,Lobato E

更新日期：2006-01-01 00:00:00

abstract：:Philasterides dicentrarchi is a histophagous ciliate causing systemic scuticociliatosis in cultured turbot. This study demonstrates that turbot which survive this disease have serum antibodies that recognize ciliary antigens of this ciliate in ELISA and immobilize/agglutinate the ciliate in vitro. Mouse sera raised ag...

journal_title：Parasitology

authors： Iglesias R,Paramá A,Alvarez MF,Leiro J,Ubeira FM,Sanmartín ML

更新日期：2003-02-01 00:00:00

abstract：:Cyst fluid (CF) of Taenia solium metacestode (TsM) is an important source of serodiagnostic antigens. We have investigated the molecular characteristics of the 120 kDa protein complex in TsM CF purified by fast performance liquid chromatography. The structure of the purified protein was characterized by a variety of p...

journal_title：Parasitology

authors： Lee EG,Bae YA,Jeong YT,Chung JY,Je EY,Kim SH,Na BK,Ju JW,Kim TS,Ma L,Cho SY,Kong Y

更新日期：2005-12-01 00:00:00

abstract：:We investigated changes in the behaviour of Stagnicola elodes associated with the emergence of Plagiorchis elegans cercariae. Within 15 min of the reduction in light intensity, which triggered the onset of cercarial emergence, infected snails moved to the top of the water column and remained there for 2-3 h. Seventy-n...

journal_title：Parasitology

authors： Lowenberger CA,Rau ME

更新日期：1994-07-01 00:00:00