Filarial parasites contain a ras homolog of the TC4/ran/Spil family.

abstract：:The enzyme pterin-4a-carbinolamine dehydratase (PCD) is important for the recycling of pterins within eukaryotic cells. A recombinant expression system for PCD from the apicomplexan parasite Toxoplasma gondii has been prepared, the protein purified and crystallised. Single crystal X-ray diffraction methods have produc...

journal_title：Molecular and biochemical parasitology

authors： Cameron S,Fyffe SA,Goldie S,Hunter WN

更新日期：2008-04-01 00:00:00

abstract：:The apicomplexan Toxoplasma gondii replicates by endodyogeny, in which replicated organelles assemble into nascent daughter buds within the maternal parasite. The mechanisms governing this complex sequence are not understood. We now report that the kinase inhibitor 3-methlyadenine (3-MA) efficiently blocks T. gondii r...

journal_title：Molecular and biochemical parasitology

authors： Wang Y,Karnataki A,Parsons M,Weiss LM,Orlofsky A

更新日期：2010-10-01 00:00:00

abstract：:Messenger RNA has been isolated from adults and eggs of Schistosoma mansoni and translated in vitro in mRNA dependent rabbit reticulocyte lysate. The in vitro translation products have been immunoprecipitated using a wide variety of hyperimmune and infection sera from rabbits, mice and humans. A large number of in vit...

journal_title：Molecular and biochemical parasitology

authors： Taylor DW,Cordingley JS,Butterworth AE

更新日期：1984-03-01 00:00:00

abstract：:Four Trypanosoma cruzi genomic DNA fragments carrying different TcP2 beta genes have been isolated and sequenced. Three of them had a single TcP2 beta gene, while the 3.8-kb-long DNA segment encoding the TcP2 beta-H1.8 locus showed two TcP2 beta genes arranged in tandem. These genes were physically connected by a 428-...

journal_title：Molecular and biochemical parasitology

authors： Vazquez MP,Schijman AG,Levin MJ

更新日期：1994-04-01 00:00:00

abstract：:An NADH-cytochrome c reductase (complex I-III) was isolated from Ascaris suum muscle mitochondria. The enzyme preparation catalyzed the reduction of 1.68 mumol cytochrome c min-1 mg-1 protein at 25 degrees C with NADH but not with NADPH, and retained its sensitivity to rotenone, piericidin A and 2-heptyl-4-hydroxyquin...

journal_title：Molecular and biochemical parasitology

authors： Takamiya S,Furushima R,Oya H

更新日期：1984-10-01 00:00:00

abstract：:Sj23, the 23-kDa target antigen in Schistosoma japonicum adult worms of the hybridoma monoclonal antibody (mAb) I-134, has been identified and cloned from cDNA libraries, mAb I-134 has been successfully used in immunodiagnostic assays to detect S. japonicum infection in Philippine patients. Sequence analysis has shown...

journal_title：Molecular and biochemical parasitology

authors： Davern KM,Wright MD,Herrmann VR,Mitchell GF

更新日期：1991-09-01 00:00:00

abstract：:The principal constituents of the free amino acid pool in Leishmania tropica promastigotes include alanine, glycine, serine, threonine, alpha-aminobutyric acid and ethanolamine. Changes in levels of the pool constituents during starvation, nutrient supplementation and treatment with a metabolic inhibitor (sodium fluor...

journal_title：Molecular and biochemical parasitology

authors： Simon MW,Jayasimhulu K,Mukkada AJ

更新日期：1983-09-01 00:00:00

abstract：:Superposition of two unrelated processes, namely terminal reticulocyte differentiation and synchronous plasmodial development, takes place in experimental infections of Plasmodium berghei. The first process is shown to be responsible for the appearance of some discrete restriction bands of host origin when DNA is extr...

journal_title：Molecular and biochemical parasitology

authors： Pace T,Ponzi M,Dore E,Scotti R,Mons B

更新日期：1989-11-01 00:00:00

abstract：:The FMRFamide-related peptides (FaRPs), KHEYLRFamide (AF2) and KSAYMRFamide (PF3) were structurally characterised from the parasitic nematode of sheep, Haemonchus contortus (MH isolate). Both peptides were sequenced in a single gas-phase sequencing run and their structure confirmed by mass spectrometry which identifie...

journal_title：Molecular and biochemical parasitology

authors： Marks NJ,Sangster NC,Maule AG,Halton DW,Thompson DP,Geary TG,Shaw C

更新日期：1999-05-25 00:00:00

abstract：:Localization of thymidylate synthase protein in Trichinella spiralis and Caenorhabditis elegans development was followed with the use of confocal microscopy, revealing similar expression patterns in both nematode species. In T. spiralis premature muscle larvae and C. elegans dauer, L3 and L4 larvae, thymidylate syntha...

journal_title：Molecular and biochemical parasitology

authors： Gołos B,Dąbrowska M,Wałajtys-Rode E,Zieliński Z,Wińska P,Cieśla J,Jagielska E,Moczoń T,Rode W

更新日期：2012-05-01 00:00:00

abstract：:The glycine cleavage complex (GCV) is a potential source of the one carbon donor 5,10-methylene-tetrahydrofolate (5,10-CH(2)-THF) in the malaria parasite Plasmodium falciparum. One carbon (C1) donor units are necessary for amino acid and nucleotide biosynthesis, and for the initiation of mitochondrial and plastid tran...

journal_title：Molecular and biochemical parasitology

authors： Spalding MD,Allary M,Gallagher JR,Prigge ST

更新日期：2010-08-01 00:00:00

abstract：:The merozoite of Plasmodium vivax possesses a high molecular mass surface protein called Pv-merozoite surface protein 1, PvMSP-1, which exhibits antigenic diversity among isolates. In this study, the extent of sequence variation in the polymorphic region and the flanking interspecies conserved blocks (ICBs) 5 and 6 of...

journal_title：Molecular and biochemical parasitology

authors： Putaporntip C,Jongwutiwes S,Tanabe K,Thaithong S

更新日期：1997-01-01 00:00:00

abstract：:Polymerase chain reaction followed by high resolution melting (PCR-HRM) analysis is a simple, rapid and accurate method for molecular detection of various nematode species. The objective of the present study was, for the first time, to develop a PCR-HRM assay for the detection of various animal Trichostrongylus spp. A...

journal_title：Molecular and biochemical parasitology

authors： Arbabi M,Hooshyar H,Lotfinia M,Bakhshi MA

更新日期：2020-03-01 00:00:00

abstract：:A mild surface-labeling procedure was applied to various developmental stages of Schistosoma mansoni. An 18 kDa protein was preferentially labeled in freshly transformed schistosomula. The labeled protein was equally present on skin-penetrated and mechanically prepared schistosomula and it disappeared upon digestion o...

journal_title：Molecular and biochemical parasitology

authors： Liberti P,Festucci A,Ruppel A,Gigante S,Cioli D

更新日期：1986-01-01 00:00:00

abstract：:Cryptosporidiosis is an obligate intracellular pathogen causing diarrhea. Merozoite egress is essential for infection to spread between host cells. However, the mechanisms of egress have yet to be defined. We hypothesized that Cyclic GMP-Dependent Protein Kinase G (PKG) may be involved in Cryptosporidium egress. In th...

journal_title：Molecular and biochemical parasitology

authors： Nava S,Sadiqova A,Castellanos-Gonzalez A,White AC Jr

更新日期：2020-05-01 00:00:00

abstract：:We have characterised the organisation of genes encoding the glutamate and alanine rich protein (GARP) surface coat of the procyclic and epimastigote stages of Trypanosoma congolense in the tsetse fly. The GARP genes are arranged at two, possibly physically linked, loci, one of which exhibits allelic variation. One lo...

journal_title：Molecular and biochemical parasitology

authors： Rangarajan D,Harvey TI,Barry JD

更新日期：2000-02-05 00:00:00

abstract：:Protozoan parasites of the genus Leishmania have a digenetic lifecycle, alternating between the promastigote and amastigote stages. The extracellular promastigote resides within a sandfly vector, while the obligate intracellular amastigote stage replicates in the phagolysosome of mammalian host macrophages. Adaptation...

journal_title：Molecular and biochemical parasitology

authors： Murray A,Fu C,Habibi G,McMaster WR

更新日期：2007-06-01 00:00:00

abstract：:A poly-zinc finger protein, designated PZFP1 was identified in Trypanosoma cruzi for the first time. The protein has 191 amino acids, contains seven motifs Cys(X)(2)Cys(X)(4)His(X)(4)Cys. A recombinant PZFP1 was generated in E. coli and the expected 21kDa polypeptide co-purified with two other inducible products of ab...

journal_title：Molecular and biochemical parasitology

authors： Espinosa JM,Portal D,Lobo GS,Pereira CA,Alonso GD,Gómez EB,Lan GH,Pomar RV,Flawiá MM,Torres HN

更新日期：2003-09-01 00:00:00

abstract：:Infection with larval trematodes has been shown to inhibit several snail-host defences, including hemocyte phagocytosis, cytotoxicity, motility, and adherence. Certain plasma factors which mediate snail defence responses, and which may be produced by host hemocytes, also appear to be altered by these parasites. In thi...

journal_title：Molecular and biochemical parasitology

authors： Lodes MJ,Connors VA,Yoshino TP

更新日期：1991-11-01 00:00:00

abstract：:The ability of Leishmania amastigotes to survive within the drastic environmental changes encountered in the phagolysosomes of mammalian macrophages is heavily dependent on the developmental regulation of a variety of genes. The identification of genes that are expressed preferentially in the mammalian stage of the pa...

journal_title：Molecular and biochemical parasitology

authors： Rochette A,McNicoll F,Girard J,Breton M,Leblanc E,Bergeron MG,Papadopoulou B

更新日期：2005-04-01 00:00:00

abstract：:Trypanosoma cruzi attaches and invades a large variety of mammalian cells by receptor-mediated interactions, one of them involving the binding of parasite trans-sialidase to host sialyl receptors. Three proteoglycan-deficient mutants of Chinese hamster ovary (CHO) cells were used to probe the role of host heparin and ...

journal_title：Molecular and biochemical parasitology

authors： Herrera EM,Ming M,Ortega-Barria E,Pereira ME

更新日期：1994-05-01 00:00:00

abstract：:The complex life cycles of many protozoan parasites require the ability to respond to environmental and developmental cues through regulated gene expression. Traditionally, parasitologists have investigated these mechanisms by identifying and characterizing proteins that are necessary for the regulated expression of t...

journal_title：Molecular and biochemical parasitology

authors： Militello KT,Refour P,Comeaux CA,Duraisingh MT

更新日期：2008-02-01 00:00:00

abstract：:Linearized free maxicircle DNA, present in detergent lysates of Crithidia fasciculata mitochondria, was thought to be a replication intermediate formed during rolling circle replication of maxicircle DNA. Gel electrophoresis of the linearized free maxicircles indicated that they were slightly larger than the maxicircl...

journal_title：Molecular and biochemical parasitology

authors： Carpenter LR,Englund PT

更新日期：1996-02-01 00:00:00

abstract：:Adult males and females of the dog heartworm, Dirofilaria immitis, were extracted separately and, following separation of the free and conjugated ecdysteroid fractions, the conjugates were hydrolysed enzymically. Both the ecdysteroids released by hydrolysis of the conjugates and the free hormones were further purified...

journal_title：Molecular and biochemical parasitology

authors： Mendis AH,Rose ME,Rees HH,Goodwin TW

更新日期：1983-11-01 00:00:00

abstract：:Distinct 3'- and 5'-nucleotidase activities were localized to the surface membrane of Leishmania donovani promastigotes using enzymatic reactions with live intact cells and fine structure enzyme-mediated cytochemical reactions with intact cells, cell homogenates, and isolated surface membranes. The results indicated t...

journal_title：Molecular and biochemical parasitology

authors： Dwyer DM,Gottlieb M

更新日期：1984-02-01 00:00:00

abstract：:This study on isolated cercarial bodies demonstrates that the biological transformation from cercaria to schistosomulum and the biochemical transition from an aerobic to an anaerobic energy metabolism are separate processes, which are not necessarily linked. The metabolic transition depends on the external glucose con...

journal_title：Molecular and biochemical parasitology

authors： Horemans AM,Tielens AG,van den Bergh SG

更新日期：1992-03-01 00:00:00

abstract：:The exosome, a complex of 3'-exoribonucleases and associated proteins, is involved in the degradation of eukaryotic mRNAs in the cytoplasm, and has RNA processing and quality control functions in the nucleus. In yeast, the nuclear exosome differs from the cytoplasmic one in that it contains an additional non-essential...

journal_title：Molecular and biochemical parasitology

authors： Haile S,Cristodero M,Clayton C,Estévez AM

更新日期：2007-01-01 00:00:00

abstract：:Phosphatidylcholine (PC) and phosphatidylethanolamine (PE) are the main membrane phospholipids (PLs) of Plasmodium parasites and can be generated by the de novo (Kennedy) CDP-choline and CDP-ethanolamine pathways and by the CDP-diacylglycerol dependent pathway. The Kennedy pathways initiate from exogenous choline and ...

journal_title：Molecular and biochemical parasitology

authors： Déchamps S,Wengelnik K,Berry-Sterkers L,Cerdan R,Vial HJ,Gannoun-Zaki L

更新日期：2010-10-01 00:00:00

abstract：:The apicomplexa parasite Toxoplasma gondii expresses two distinct proliferating cell nuclear antigens (PCNA) that exhibit distinct patterns of subcellular localization during tachyzoite growth. In all cell cycle phases, TgPCNA1 is concentrated in the nucleus, while TgPCNA2 is only concentrated in the nucleus during S-...

journal_title：Molecular and biochemical parasitology

authors： Guerini MN,Behnke MS,White MW

更新日期：2005-07-01 00:00:00

abstract：:A Fasciola hepatica cDNA clone of 1752 bp was isolated from an adult worm cDNA expression library by immunological screening using a rabbit serum against the excretory-secretory antigens. The nucleotide sequence of the cDNA revealed the presence of an open reading frame of 489 codons which encoded a 55 kDa polypeptide...

journal_title：Molecular and biochemical parasitology

authors： Salazar-Calderón M,Martín-Alonso JM,Castro AM,Parra F

更新日期：2003-01-01 00:00:00