Genetic structure of Trypanosoma cruzi populations from Argentina estimated from enzyme polymorphism.

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：:Expansion of human activities frequently results in habitat fragmentation, a phenomenon that has been widely recognized in the last decades as one of the major threats to world's biodiversity. The transformation of a continuous forest into a fragmented area results in a hyper-dynamic landscape with unpredictable conse...

journal_title：Parasitology

authors： Vaz VC,D'Andrea PS,Jansen AM

更新日期：2007-11-01 00:00:00

abstract：:Leishmania braziliensis strain M2903 was adapted for growth and serially maintained as amastigotes at 34 degrees C in modified UM-54 medium, with growth curves exhibiting typical log and stationary phases. In late passages, amastigote growth took place in the absence of supplementary haemin and was unaffected when the...

journal_title：Parasitology

authors： Balanco JM,Pral EM,da Silva S,Bijovsky AT,Mortara RA,Alfieri SC

更新日期：1998-02-01 00:00:00

abstract：:An M13 phage random 12-mers peptide library was used to screen cathepsin L mimotopes of Fasciola hepatica and to evaluate their immunogenicity in sheep. Seven clones showed positive reactivity to a rabbit anti-cathepsin L1/L2 antiserum in ELISA, and their amino acid sequences deduced by DNA sequencing were tentatively...

journal_title：Parasitology

authors： Villa-Mancera A,Quiroz-Romero H,Correa D,Ibarra F,Reyes-Pérez M,Reyes-Vivas H,López-Velázquez G,Gazarian K,Gazarian T,Alonso RA

更新日期：2008-10-01 00:00:00

abstract：:The isolation of 2 genomic clones has allowed us to further characterize a Schistosoma mansoni serine protease designated SmSP1. The deduced amino acid sequence (248aa) considered as a 'light chain' encoding the active site, presents significant homologies with mouse plasma kallikrein and human factor I light chain. T...

journal_title：Parasitology

authors： Cocude C,Pierrot C,Cêtre C,Fontaine J,Godin C,Capron A,Khalife J

更新日期：1999-04-01 00:00:00

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：:The group of haemosporidian parasites is of general interest to basic and applied science, since several species infect mammals, leading to malaria and associated disease symptoms. Although the great majority of haemosporidian parasites appear in bird hosts, as in the case of Leucocytozoon buteonis, there is little ge...

journal_title：Parasitology

authors： Chakarov N,Greiner JF,Hauser S,Schuetzmann D,Krüger O,Boerner M,Wıdera D

更新日期：2012-10-01 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：:An hypothesis is presented to explain the red cell lysis which accompanies an acute malarial infection, as well as the mode of action of certain schizonticidal drugs in the quinoline and acridine series. Quinine and a number of other antimalarial drugs have been found to counteract the inhibition by protein of fatty a...

journal_title：Parasitology

authors： Laser H,Kemp P,Miller N,Lander D,Klein R

更新日期：1975-10-01 00:00:00

abstract：:The relationships between populations of the Deer Mouse (Peromyscus maniculatus) and the White-footed Mouse (P. leucopus) and their respective Cuterebra parasites were examined. Population genetic structure of hosts and parasites was inferred using cytochrome oxidase mitochondrial sequences of specimens from 7 populat...

journal_title：Parasitology

authors： Noel S,Angers B,Lapointe FJ

更新日期：2005-08-01 00:00:00

abstract：:The Anaplasma species are important globally distributed tick-transmitted bacteria of veterinary and public health importance. These pathogens, cause anaplasmosis in domestic and wild animal species including humans. Rhipicephalus, Ixodes, Dermacentor and Amblyomma genera of ticks are the important vectors of Anaplasm...

journal_title：Parasitology

authors： Atif FA

更新日期：2016-05-01 00:00:00

abstract：:We studied the monogenean communities of 34 species of butterflyfish from the tropical Indo-West Pacific, identifying 13 dactylogyrid species (including two species that are presently undescribed). Monogenean assemblages differed significantly between host species in terms of taxonomic structure, intensity and prevale...

journal_title：Parasitology

authors： Reverter M,Cutmore SC,Bray R,Cribb TH,Sasal P

更新日期：2016-10-01 00:00:00

abstract：:The surface coat of the 2nd-stage juveniles (J2) of plant-parasitic nematodes is considered to be involved in interactions with microorganisms in the soil and rhizosphere, as well as with the host plant. Characterization of surface antigens might be important in the development of new nematode control strategies. In t...

journal_title：Parasitology

authors： Sharon E,Spiegel Y,Salomon R,Curtis RH

更新日期：2002-08-01 00:00:00

abstract：:To investigate the quantitative distribution of Plasmodiumfalciparum gametocytes into the vector bloodmeal, Anopheles arabiensis mosquitoes were fed on 3 volunteers naturally infected with gametocytes. The content of each mosquito midgut was smeared on a microscope slide and Giemsa stained. The distribution of gametoc...

journal_title：Parasitology

authors： Pichon G,Awono-Ambene HP,Robert V

更新日期：2000-08-01 00:00:00

abstract：:Aiming to further characterize the haemocyte subsets in Biomphalaria snails, we have performed a detailed flow cytometric analysis of whole haemolymph cellular components using a multiparametric dual colour labelling procedure. Ethidium bromide/acridine orange fluorescence features were used to first select viable hae...

journal_title：Parasitology

authors： Martins-Souza RL,Pereira CA,Coelho PM,Martins-Filho OA,Negrão-Corrêa D

更新日期：2009-01-01 00:00:00

abstract：:Nematodes represent one of the most abundant and species-rich groups of animals on the planet, with parasitic species causing chronic, debilitating infections in both livestock and humans worldwide. The prevalence and success of the nematodes is a direct consequence of the exceptionally protective properties of their ...

journal_title：Parasitology

authors： Stepek G,McCormack G,Birnie AJ,Page AP

更新日期：2011-02-01 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：:Immunization against the protozoan Theileria parva by infection and treatment has proved to be very efficient for the control of East Coast fever, an acute and often-fatal lymphoproliferative tick-borne disease of cattle in Eastern, Central and Southern Africa. The immunizing dose of live T. parva sporozoites used in ...

journal_title：Parasitology

authors： Marcotty T,Speybroeck N,Berkvens D,Chaka G,Besa R,Madder M,Dolan T,Losson B,Brandt J

更新日期：2004-02-01 00:00:00

abstract：:Many different drug-resistant lines of rodent malaria are available as screening models. It is obligatory to screen new compounds for antimalarial activity against a series of resistant lines in order to identify a compound with potential for the treatment of multi-drug resistant (MDR) malaria infections. Instead of u...

journal_title：Parasitology

authors： Tripathi R,Dhawan S,Dutta GP

更新日期：2005-09-01 00:00:00

abstract：:Levamisole (Lms) is an anthelminthic drug with immunomodulatory activity. Chagas disease (CD) is caused by Trypanosoma cruzi and there is very low access to the drugs available, benznidazole (Bz) and nifurtimox, both far from ideal. In a drug-repurposing strategy to test potential activity as antiparasitic and immunom...

journal_title：Parasitology

authors： Rocha Simões-Silva M,Brandão Peres R,Britto C,Machado Cascabulho C,de Melo Oliveira G,Nefertiti da Gama A,França da Silva C,Lima da Costa K,Finamore Araújo P,Diego de Souza Campos J,Meuser Batista M,Cristina Demarque K,da Cruz Mo

更新日期：2019-07-01 00:00:00

abstract：:Potential mechanisms of immunoregulation have been investigated for the capacity to generate heterogeneity in the outcome of infection with helminth parasites. We have developed a mathematical model of the interaction between T cell and parasite populations, based on the assumption that activation of a Th1 CD4+ T cell...

journal_title：Parasitology

authors： Schweitzer AN,Anderson RM

更新日期：1992-12-01 00:00:00

abstract：:Artificially transformed schistosomula of Schistosoma mansoni develop a consistent but small protection against the lethal effects of antibody plus complement when cultured for 24 h in a chemically defined medium. In contrast, they become rapidly resistant to antibody plus complement, when cultured in the presence of ...

journal_title：Parasitology

authors： Tavares CA,Soares RC,Coelho PM,Gazzinelli G

更新日期：1978-10-01 00:00:00

abstract：:Following cloning of Leishmania (L.) amazonensis kinetoplast DNA two recombinant clones were identified: one specific for L. (L.) amazonensis and the other specific for L. (L.) amazonensis and closely related isolates. DNA sequences from these clones were compared with those of other kinetoplastids and oligonucleotide...

journal_title：Parasitology

authors： Eresh S,McCallum SM,Barker DC

更新日期：1994-11-01 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：: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 localization of adult Schistosoma mansoni originating from Guadeloupe (West Indies) was analysed in the natural host Rattus rattus in experimental and natural infections. A transfer of schistosomes from the porto-mesenteric system to the lungs occurs between the 4th and the 20th weeks post-infection, with a peak b...

journal_title：Parasitology

authors： Imbert-Establet D,Combes C

更新日期：1992-02-01 00:00:00

abstract：:The parasitic roundworms Strongyloides stercoralis (in man) and Strongyloides ratti (in rats) employ environmentally controlled XX/XO sex determination with a pair of X chromosomes and two pairs of autosomes. Strongyloides papillosus (in sheep) has only two pairs of chromosomes, one of which combines the genetic mater...

journal_title：Parasitology

authors： Kulkarni A,Dyka A,Nemetschke L,Grant WN,Streit A

更新日期：2013-12-01 00:00:00

abstract：:Prevention of heartworm disease caused by Dirofilaria immitis in domestic dogs and cats relies on a single drug class, the macrocyclic lactones (MLs). Recently, it has been demonstrated that ML-resistant D. immitis are circulating in the Mississippi Delta region of the USA, but the prevalence and impact of these resis...

journal_title：Parasitology

authors： Wolstenholme AJ,Evans CC,Jimenez PD,Moorhead AR

更新日期：2015-09-01 00:00:00

abstract：:Anti-trypanosomiasis vaccination still remains the best theoretical option in the fight against a disease that is continuously hovering between its wildlife reservoir and its reservoir in man and livestock. While antigenic variation of the parasite surface coat has been considered the major obstacle in the development...

journal_title：Parasitology

authors： Magez S,Caljon G,Tran T,Stijlemans B,Radwanska M

更新日期：2010-12-01 00:00:00

abstract：:The importance of host heterogeneity in generating aggregation was investigated using Heligmosomoides polygyrus (Nematoda) in laboratory mice. Parameters of infection were compared between inbred and outbred mice, between primary and challenge infection protocols, and between gavage and natural exposure protocols, to ...

journal_title：Parasitology

authors： Tanguay GV,Scott ME

更新日期：1992-06-01 00:00:00