Changes in metabolism and behaviour of the freshwater copepod Cyclops strenuus abyssorum infected with Diphyllobothrium spp.

abstract：:Infectious agents have considerable potential to regulate or constrain the population growth of vertebrate hosts in natural habitats. A broad theoretical framework provides many insights into how the biology of the parasite and the demography of the host interact to determine this impact. It may manifest itself as a s...

journal_title：Parasitology

authors： Anderson RM

更新日期：1995-01-01 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：:Nematophagous fungi are used in the biological control of the parasitic helminths of animals and plants. The association of ovicidal and predator nematophagous fungi may present a complementary and increased action on the biological control of helminths. Joint growth compatibility and predation tests were carried out ...

journal_title：Parasitology

authors： Vieira ÍS,Oliveira IC,Campos AK,Araújo JV

更新日期：2019-09-01 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：: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：:A survey was carried out to determine values for the prevalence and intensity of infection of intestinal helminths in children living in Cocle Province, Republic of Panama. The data set consisted of the results of microscopic examinations (modified Kato Katz technique) of stool samples collected in November 1987 from ...

journal_title：Parasitology

authors： Robertson LJ,Crompton DW,Walters DE,Nesheim MC,Sanjur D,Walsh EA

更新日期：1989-10-01 00:00:00

abstract：:The taxonomic status of the haemoproteid parasites hitherto described from the avian genus Passer is reviewed. It is concluded that 1 species only is valid Haemoproteus passeris Kruse (1890), all other species being designated as synonyms. From material obtained from Passer domesticus a re-description is given of H. p...

journal_title：Parasitology

authors： Peirce MA

更新日期：1976-12-01 00:00:00

abstract：:The reproductive effort of Lepeophtheirus pectoralis (Müller O. F., 1776), a caligid copepod, which is commonly found infecting the European flounder, Platichthys flesus (Linnaeus, 1758), is studied in detail for the first time. Seasonal variation in body dimensions and reproductive effort are analysed. Data for 120 o...

journal_title：Parasitology

authors： Frade DG,Santos MJ,Cavaleiro FI

更新日期：2016-01-01 00:00:00

abstract：:Post-mesocyclic development of Trypanosoma brucei in the tsetse fly in its migration from midgut to salivary glands, was revisited by sequential microdissection, morphometry and DNA-cytofluorometry. This development started by day 6 after the infective feed, with passage of mesocyclic midgut trypomastigotes through pr...

journal_title：Parasitology

authors： Van Den Abbeele J,Claes Y,van Bockstaele D,Le Ray D,Coosemans M

更新日期：1999-05-01 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：:Susceptability of Ascaridia galli to benzimidazole (BZ) was investigated using faecal egg count reduction test (FECRT), in ovo larval development test (LDT) and genetic markers (mutations at codons 167, 198 and 200 of β-tubulin gene). Six flocks (F1-F6) of a commercial laying hen farm with different number of exposure...

journal_title：Parasitology

authors： Tarbiat B,Jansson DS,Tydén E,Höglund J

更新日期：2017-09-01 00:00:00

abstract：:Members of the phylum Microspora are a group of unusual, obligate intracellular eukaryotic parasites that infect a wide range of hosts. However, there are a limited number of microsporidial infections reported in avian hosts, and no parasite species has been defined as an avian pathogen. A microsporidian organism was ...

journal_title：Parasitology

authors： Snowden KF,Logan K,Phalen DN

更新日期：2000-07-01 00:00:00

abstract：:Immunopathological and ultrastructural studies were carried out on the gut of 30 specimens of powan Coregonus lavaretus (L.) from Lake Piediluco, Italy. The digestive tracts of 10 (33.3%) of the powan were found to harbour an acanthocephalan Dentitruncus truttae (Sinzar 1955). The numerous trunk spines of D. truttae r...

journal_title：Parasitology

authors： Dezfuli BS,Lui A,Giovinazzo G,Boldrini P,Giari L

更新日期：2009-07-01 00:00:00

abstract：:Toxoplasma gondii is an obligate intracellular protozoan parasite. The objective of the present study was to examine the behaviour of Toxoplasma gondii RH Ankara strain tachyzoites in a cell culture environment. The study represents the first step in determining whether T. gondii RH Ankara strain tachyzoites, grown in...

journal_title：Parasitology

authors： Döskaya M,Degirmenci A,Ciçek C,Ak M,Korkmaz M,Gürüz Y,Uner A

更新日期：2006-03-01 00:00:00

abstract：:An egg-adapted line of Eimeria necatrix has now been passaged 40 times in the chorio-allantoic membranes of embryonated eggs. Between the 21st and 40th passage in eggs the parasite was subjected to a selection for precocious development, and its pre-patent period in this host is now 123-125 h. The parasite continued t...

journal_title：Parasitology

authors： Shirley MW,Bellatti MA,Millard BJ

更新日期：1982-04-01 00:00:00

abstract：:Cutaneous Leishmaniasis (CL) is considered a neglected tropical disease which in Pakistan can now be considered as a growing public health problem. The exact figures on the magnitude of the disease are lacking both at the national and regional level and only a few health centres are available for diagnosis of CL. The ...

journal_title：Parasitology

authors： Khan A,Sajid R,Gul S,Hussain A,Zehri MT,Naz S,Simsek S,Waseem S,Afzal MS,Naqvi SKUH,Qasim M,Ahmed H

更新日期：2020-12-23 00:00:00

abstract：:Aspects of vitellogenesis, known to be controlled by juvenile hormone, are adversely affected by Hymenolepis diminuta infection of Tenebrio molitor, in spite of circulating titres of the hormone remaining unchanged. It has therefore been proposed that juvenile hormone binding is disrupted at the tissue site level. Juv...

journal_title：Parasitology

authors： Webb TJ,Hurd H

更新日期：1995-06-01 00:00:00

abstract：:Schistosoma mansoni eggs, miracidia and primary sporocysts were labelled with phalloidin-rhodamine to visualize filamentous actin structures. Analysis of these forms by confocal fluorescence microscopy revealed the presence of previously well-defined circular and longitudinal muscle layers. Besides these muscular laye...

journal_title：Parasitology

authors： Bahia D,Avelar LG,Vigorosi F,Cioli D,Oliveira GC,Mortara RA

更新日期：2006-09-01 00:00:00

abstract：:American trypanosamiasis occurs in nature as a sylvatic cycle, where Trypanosoma cruzi interacts with wild triatomines and mammalian reservoirs, such as marsupials, rodents, armadillos and other animals. Due to difficulties in trying to isolate T. cruzi stocks from the sylvatic cycle, very few studies have been perfor...

journal_title：Parasitology

authors： Fernandes O,Mangia RH,Lisboa CV,Pinho AP,Morel CM,Zingales B,Campbell DA,Jansen AM

更新日期：1999-02-01 00:00:00

abstract：:Monoclonal antibodies reacting with pellicular antigens of Toxoplasma gondii tachyzoites have been selected among hybridomas produced against this organism by immunofluorescence assay. These antigens have been further characterized by immunofluorescence on living zoites, Western immunoblotting and immunoprecipitation ...

journal_title：Parasitology

authors： Couvreur G,Sadak A,Fortier B,Dubremetz JF

更新日期：1988-08-01 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：:Between December 2007 and March 2009, small mammals were captured in 6 Atlantic Forest patches in Brazil. We assessed tick-host associations and whether they differ among forest strata, sites, seasons, and host age classes or between sexes. Moreover, we assessed the exposure of animals to Rickettsia spp. In total, 432...

journal_title：Parasitology

authors： Dantas-Torres F,Aléssio FM,Siqueira DB,Mauffrey JF,Marvulo MF,Martins TF,Moraes-Filho J,Camargo MC,D'Auria SR,Labruna MB,Silva JC

更新日期：2012-01-01 00:00:00

abstract：:The outcome of a parasite infection is the result of the interaction between the host and the parasite. In the system we studied, there are 3 critical stages for the outcome of infection of the (intermediate) host, the copepod Macrocyclops albidus, with the cestode Schistocephalus solidus. During the establishment pha...

journal_title：Parasitology

authors： van der Veen IT,Kurtz J

更新日期：2002-04-01 00:00:00

abstract：:Human cysticercosis is a public health problem caused by Taenia solium metacestodes; thus, eradication of T. solium transmission by vaccination is an urgent requirement. The Cc48 mimotope from T. solium cysticerci was tested expressed in phage particles (mCc48) and chemically synthesized (sCc48) as a vaccine candidate...

journal_title：Parasitology

authors： Manhani MN,Tilelli CQ,Ribeiro VDS,Goulart LR,Costa-Cruz JM

更新日期：2020-10-01 00:00:00

abstract：:The current trend of antimony (Sb) unresponsiveness in the Indian subcontinent is a major impediment to effective chemotherapy of visceral leishmaniasis (VL). Although contributory mechanisms studied in laboratory-raised Sb-R parasites include an up-regulation of drug efflux pumps and increased thiols, their role in c...

journal_title：Parasitology

authors： Mandal G,Wyllie S,Singh N,Sundar S,Fairlamb AH,Chatterjee M

更新日期：2007-11-01 00:00:00

abstract：:Existing models of the basic case reproduction number (R0) for vector-borne diseases assume (i) that the distribution of vectors over the susceptible host species is homogeneous and (ii) that the biting preference for the susceptible host species rather than other potential hosts is a constant. Empirical evidence cont...

journal_title：Parasitology

authors： Kelly DW,Thompson CE

更新日期：2000-03-01 00:00:00

abstract：:Strongyloidiasis is frequently asymptomatic and diagnosis of latent infection is difficult due to limitations of current parasitological and serological methods. This study aimed to verify the use of conventional polymerase chain reaction (PCR) assay for molecular diagnosis of Strongyloides stercoralis infection. Fres...

journal_title：Parasitology

authors： Sitta RB,Malta FM,Pinho JR,Chieffi PP,Gryschek RC,Paula FM

更新日期：2014-04-01 00:00:00

abstract：:Oligosaccharides are broadly present on Leishmania cell surfaces. They can be useful for the leishmaniases diagnosis and also helpful in identifying new cell markers for the disease. The disaccharide Galα1-3Galβ is the immunodominant saccharide in Leishmania cell surface and is the unique non-reducing terminal glycosp...

journal_title：Parasitology

authors： de Souza LMB,Thomaz Soccol V,Petterle RR,Bates MD,Bates PA

更新日期：2018-12-01 00:00:00

abstract：:The behavioural responses of Onchocerca lienalis microfilariae (mf) to tissue factors of the surrogate black fly host, Simulium vittatum, were studied using a novel in vitro bioassay. Mf accumulated towards thoracic tissues to a density 4 times higher than towards abdominal tissues, despite the larger surface area and...

journal_title：Parasitology

authors： Lehmann T,Cupp SM,Cupp WE

更新日期：1995-04-01 00:00:00

abstract：:This review of protozoan and helminth infections in pregnancy focuses on the impact on the immune response in the newborn infant to maternal infection. Studies of protozoan and helminth infections in pregnant women and in their offspring have shown that children exposed to antigens or microorganisms during pregnancy o...

journal_title：Parasitology

authors： Petersen E

更新日期：2007-01-01 00:00:00