The three-spined stickleback-Schistocephalus solidus system: an experimental model for investigating host-parasite interactions in fish.

abstract：:Two natural human interferon alpha preparations, (nHuIFN-alpha [Cantell]) and (nHuIFN-alpha [ISI]), were used for the oral treatment of cattle experimentally infected with Theileria parva parva. In the first experiment, 8 Friesian bulls were inoculated with a 1 in 10 dilution of a sporozoite stabilate of T.p. parva (M...

journal_title：Parasitology

authors： Young AS,Maritim AC,Kariuki DP,Stagg DA,Wafula JM,Mutugi JJ,Cummins JM,Richards AB,Burns C

更新日期：1990-10-01 00:00:00

abstract：:The recent development of genetic methods allows the delineation of species boundaries, especially in organisms where morphological characters are not reliable to differentiate species. However, few empirical studies have used these tools to delineate species among parasitic metazoans. Here we investigate the species ...

journal_title：Parasitology

authors： Pérez-Ponce DE León G,García-Varela M,Pinacho-Pinacho CD,Sereno-Uribe AL,Poulin R

更新日期：2016-11-01 00:00:00

abstract：:The worldwide economic impact of Neospora caninum infection has caused the development of effective vaccines to become one of the main goals in the field of neosporosis research. In this study, the protection conferred by antigens from inactivated whole tachyzoites (TZ) and a tachyzoite-bradyzoite mixture (TZ-BZ) of N...

journal_title：Parasitology

authors： Rojo-Montejo S,Collantes-Fernández E,Rodríguez-Marcos S,Pérez-Zaballos F,López-Pérez I,Prenafeta A,Ortega-Mora LM

更新日期：2011-09-01 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 multicopy mini-exon-derived RNA (med RNA) locus of Leishmania donovani was enzymatically amplified by the polymerase chain reaction (PCR). The major 180 bp PCR product contained conserved med RNA gene sequences flanking the variable intergenic spacer from the med RNA gene tandem repeat. The oligonucleotide primers...

journal_title：Parasitology

authors： Hassan MQ,Ghosh A,Ghosh SS,Gupta M,Basu D,Mallik KK,Adhya S

更新日期：1993-12-01 00:00:00

abstract：:We conducted the first comprehensive study on the spatiotemporal structure of trematode communities in the large-mouthed valve snail, Valvata macrostoma. A total of 1103 snails were examined monthly between May and October 2007 from Lake Konnevesi, Central Finland, from a shallow (1-2 m deep) and an offshore site (5-6...

journal_title：Parasitology

authors： Faltýnková A,Valtonen ET,Karvonen A

更新日期：2008-12-01 00:00:00

abstract：:This review focuses on some of the more ground-shifting advances of recent decades, particularly those at the molecular and cellular level that illuminate mechanisms underpinning the natural ecology of tick-host-pathogen interactions and the consequent epidemiology of zoonotic infections in humans. Knowledge of compon...

journal_title：Parasitology

authors： Randolph SE

更新日期：2009-10-01 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：: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：:Infection of breeding hens with Eimeria maxima induces production of Eimeria-specific IgG antibodies which are transferred to hatchlings via the egg yolk and confer a high degree of maternal immunity against homologous challenge and partial immunity to infection with another important species, Eimeria tenella. As an e...

journal_title：Parasitology

authors： Smith NC,Wallach M,Petracca M,Braun R,Eckert J

更新日期：1994-12-01 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：:Trypanosoma cruzi, causative agent of Chagas disease, co-infects its triatomine vector with its sister species Trypanosoma rangeli, which shares 60% of its antigens with T. cruzi. Additionally, T. rangeli has been observed to be pathogenic in some of its vector species. Although T. cruzi-T. rangeli co-infections are c...

journal_title：Parasitology

authors： Peterson JK,Graham AL,Elliott RJ,Dobson AP,Triana Chávez O

更新日期：2016-08-01 00:00:00

abstract：:Neospora caninum is the causative agent of bovine neosporosis. A N. caninum cytoplasmic dynein LC8 light chain (NcDYNLL) protein was characterized in this study. Cytoplasmic dyneins, including DYNLLs, belong to the microtubule minus-end-directed motor proteins and are involved in many cellular processes. Previous micr...

journal_title：Parasitology

authors： Cao L,Fetterer R,Qu G,Zhang X,Tuo W

更新日期：2018-12-18 00:00:00

abstract：:The Baltic Sea is characterized by organisms that can tolerate brackish water. Because of the Sea's history during glacial times, its flora and fauna (and also their parasites) can be traced to marine, freshwater and genuine brackish elements beside glacial relics. Snails, planktonic copepods, benthic amphipods and is...

journal_title：Parasitology

authors： Zander CD,Reimer LW

更新日期：2002-01-01 00:00:00

abstract：:Diagnostic PCR primers for Trichinella were constructed. Twelve pairs of primers were designed based on the sequences of random amplified polymorphic DNA, and 4 pairs of primers were designed based on the reported sequences of complementary DNA encoding excretory-secretory glycoproteins. With these primers, 31 samples...

journal_title：Parasitology

authors： Wu Z,Nagano I,Takahashi Y

更新日期：1998-08-01 00:00:00

abstract：:In recent years, through a national programme for schistosomiasis control, this infection has been eliminated from Iran. The aim of this study was to report the process of significant decrease of urogenital schistosomiasis in southwestern Iran. During national programme surveillance for urogenital schistosomiasis cont...

journal_title：Parasitology

authors： Khademvatan S,Salmanzadeh S,Foroutan-Rad M,Ghomeshi M

更新日期：2016-09-01 00:00:00

abstract：:As more facts emerge regarding the ways in which E. multilocularis-derived molecules trigger the host immune response and modulate the host-parasite interplay, it becomes possible to envisage how the parasite can survive and proliferate in its intermediate host, while in other hosts it dies out. Through effects on cel...

journal_title：Parasitology

authors： Mejri N,Hemphill A,Gottstein B

更新日期：2010-03-01 00:00:00

abstract：:The gastrointestinal nematode Heligmosomoides polygyrus bakeri shows enhanced survival in mice with colitis. As the antibody response plays an important role in antiparasitic immunity, antibodies against male and female L4 H. polygyrus were examined in mice with and without colitis. Levels of specific antibodies in th...

journal_title：Parasitology

authors： Maruszewska-Cheruiyot M,Donskow-Łysoniewska K,Krawczak K,Szewczak L,Joachimiak E,Doligalska M

更新日期：2020-11-01 00:00:00

abstract：:Since 2004 there has been a remarkable increment in our knowledge of the proteins and glycans that reside at, or are released from the surfaces of schistosomes in the mammalian host. Initial characterization of the soluble proteome permits distinctions to be made between the parasite secretome and its necrotome. The p...

journal_title：Parasitology

authors： Wilson RA

更新日期：2012-08-01 00:00:00

abstract：:Flow cytometric analysis of the binucleated protozoan parasite Giardia intestinalis gave DNA histograms with a broad G1 peak and a definable G2 + M peak with twice the DNA content of G1. Twenty-four hour treatment with metronidazole arrested cell cycle progression of susceptible trophozoites in the G2 + M phase, but h...

journal_title：Parasitology

authors： Hoyne GF,Boreham PF,Parsons PG,Ward C,Biggs B

更新日期：1989-12-01 00:00:00

abstract：:A recombinant baculovirus-expressed hybrid protein containing epitopes for the C-terminal fragment of the Plasmodium falciparum precursor to the major merozoite surface antigens (PMMSA) and the tetrapeptide repeats of the circumsporozoite protein (CSP) was assessed for its immunogenicity. Murine MHC-II restriction of ...

journal_title：Parasitology

authors： Lockyer MJ,Cooper H,Tite J,Rowan W,Crowe JS

更新日期：1993-06-01 00:00:00

abstract：:Fractionation of Schistosoma mansoni cercariae gland secretion on a Sephadex G-150 column followed by a Superose-12 column in an FPLC system, isolated a 47 kDa protease which migrated as a single band on SDS-PAGE gels. A monoclonal antibody (MAb) was produced which recognizes only the 47 kDa protease, and an immuno-af...

journal_title：Parasitology

authors： Chavez-Olortegui C,Resende M,Tavares CA

更新日期：1992-10-01 00:00:00

abstract：:A deterministic mathematical model which predicts the probability of developing a new drug-resistant parasite population within the human host is reported. The model incorporates the host's specific antibody response to PfEMP1, and also investigates the influence of chemotherapy on the probability of developing a viab...

journal_title：Parasitology

authors： Gatton ML,Hogarth W,Saul A

更新日期：2001-12-01 00:00:00

abstract：:n order to investigate the dynamics of Septin4 (Sept4) expression and its function in the formation of fibrotic livers in mice infected with Schistosoma japonicum, we constructed the mouse model of S. japonicum egg-induced liver fibrosis for 24 weeks. Immunohistochemical staining, qRT-PCR and Western blot were used to...

journal_title：Parasitology

authors： Duan YN,Qian HY,Qin YW,Zhu DD,He XX,Zhou Q,Yang YN,Bao J,Feng JR,Sun W,Chen JL

更新日期：2011-07-01 00:00:00

abstract：:An enzyme-linked immunosorbent assay (ELISA) was used to detect antibodies to Encephalitozoon cuniculi in man, using spores derived from tissue culture as antigen. Negligible cross-reactions were found with other microsporidia of vertebrate or of invertebrate origin and there was no cross-reaction with Toxoplasma gond...

journal_title：Parasitology

authors： Hollister WS,Canning EU

更新日期：1987-04-01 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：:Part of Robert T. Leiper's (1881-1969) lasting legacy in medical helminthology is grounded on his pioneering work on schistosomiasis (Bilharzia). Having undertaken many expeditions to the tropics, his fascination with parasite life cycles typically allowed him to devise simple preventive measures that curtailed transm...

journal_title：Parasitology

authors： Stothard JR,Kabatereine NB,Archer J,Al-Shehri H,Tchuem-Tchuenté LA,Gyapong M,Bustinduy AL

更新日期：2017-10-01 00:00:00

abstract：:West-central China is an important endemic focus of both alveolar and cystic echinococcosis where several species of intermediate host are commonly infected with Echinococcus granulosus and E. multilocularis . Isolates of E. granulosus were collected from humans and other animals from different geographical areas of Q...

journal_title：Parasitology

authors： Yang YR,Rosenzvit MC,Zhang LH,Zhang JZ,McManus DP

更新日期：2005-10-01 00:00:00

abstract：:Essential oils (EOs) are considered a new class of ecological products aimed at the control of insects for industrial and domestic use; however, there still is a lack of studies involving the control of fleas. Ctenocephalides felis felis, the most observed parasite in dogs and cats, is associated with several diseases...

journal_title：Parasitology

authors： Dos Santos JVB,de Almeida Chaves DS,de Souza MAA,Riger CJ,Lambert MM,Campos DR,Moreira LO,Dos Santos Siqueira RC,de Paulo Osorio R,Boylan F,Correia TR,Coumendouros K,Cid YP

更新日期：2020-03-01 00:00:00

abstract：:Small RNAs are important regulators of gene expression. They were first identified in Caenorhabditis elegans, but it is now apparent that the main small RNA silencing pathways are functionally conserved across diverse organisms. Availability of genome data for an increasing number of parasitic nematodes has enabled bi...

journal_title：Parasitology

authors： Britton C,Laing R,Devaney E

更新日期：2020-07-01 00:00:00