Larvicidal activity of lipophilic extract of Hypericum carinatum (Clusiaceae) against Aedes aegypti (Diptera: Culicidae) and benzophenones determination.

abstract：:Experiments were undertaken to develop a serum-free medium for the in vitro cultivation of Babesia caballi, a tick-borne hemoprotozoan parasite, one of the causative agents of equine piroplasmosis. A modified HL-1 medium supplemented with horse serum, L-glutamine, antibiotics, and hypoxanthine was used. B. caballi org...

journal_title：Parasitology research

authors： Zweygarth E,van Niekerk CJ,de Waal DT

更新日期：1999-05-01 00:00:00

abstract：:Out of 2,343 examined sheep throughout the whole year, 271 were found to be infected with tapeworms (11.5%). The highest infection rate (22.1%) was recorded in autumn, while the lowest (6%) occurred in summer. Six species of cestodes were identified according to their prevalence: Moniezia expansa (74%), Moniezia denti...

journal_title：Parasitology research

authors： Bashtar AR,Hassanein M,Abdel-Ghaffar F,Al-Rasheid K,Hassan S,Mehlhorn H,Al-Mahdi M,Morsy K,Al-Ghamdi A

更新日期：2011-01-01 00:00:00

abstract：:Carnivores usually act as definitive hosts of Sarcocystis species. However, the number of reports on sarcocyst formation in musculature of predators is on the increase. In the present study, muscle samples of 68 mustelids collected in Lithuania were examined for sarcocysts of Sarcocystis species. Sarcocysts were detec...

journal_title：Parasitology research

authors： Prakas P,Strazdaitė-Žielienė Ž,Rudaitytė-Lukošienė E,Servienė E,Butkauskas D

更新日期：2018-06-01 00:00:00

abstract：:In the present study the behavior and pathogenicity of second-stage larvae of Toxocara canis were examined in different mouse strains with special emphasis on the major histocompatibility complex (MHC). Mice of the inbred strains BALB, C3H, C57BL, and DBA and the outbred strain NMRI were infected orally with 1000 seco...

journal_title：Parasitology research

authors： Epe C,Sabel T,Schnieder T,Stoye M

更新日期：1994-01-01 00:00:00

abstract：:Leishmaniasis is a geographically widespread disease caused by protozoan parasites belonging to the genus Leishmania and transmitted by certain species of sand fly. This disease still remains endemic in China, especially in the west and northwest frontier regions. A recent ITS1 phylogeny of Chinese Leishmania isolates...

journal_title：Parasitology research

authors： Cao DP,Guo XG,Chen DL,Chen JP

更新日期：2011-07-01 00:00:00

abstract：:Cytokine responses of lymphocytes against Toxoplasma gondii are usually studied by stimulating the cells from infected animals with tachyzoite lysate antigens (TLA) in vitro. We examined whether strains (genotypes) of the parasite used for TLA affect the production of IL-2, IL-4, IL-10 and IFN-gamma in the culture of ...

journal_title：Parasitology research

authors： Rodgers L,Wang X,Wen X,Dunford B,Miller R,Suzuki Y

更新日期：2005-10-01 00:00:00

abstract：:The published data concerning Toxoplasma gondii, Hammondia hammondi, H. heydorni and Neospora caninum on one side and between T. gondii on the other were neglected by most authors. As conclusion we are convinced that there are only two valid species: Isospora (Toxoplasma) gondii and Hammondia heydorni. The first inclu...

journal_title：Parasitology research

authors： Mehlhorn H,Heydorn AO

更新日期：2000-02-01 00:00:00

abstract：:Many malaria-endemic areas are also associated with high rates of human immunodeficiency virus (HIV) infection. An understanding of the chemotherapeutic interactions that occur during malaria and HIV co-infections is important. Our previous studies have demonstrated that some antiretroviral protease inhibitors are eff...

journal_title：Parasitology research

authors： Li X,He Z,Chen L,Li Y,Li Q,Zhao S,Tao Z,Hu W,Qin L,Chen X

更新日期：2011-12-01 00:00:00

abstract：:Haemonchus contortus isolates were evaluated for benzimidazole (BZ) resistance or susceptibility by allele-specific PCR based on β-tubulin isotype 1 gene polymorphisms at the F167Y, E198A, and F200Y sites. Two isolates, one presumed susceptible from wild pronghorn antelope (PH) and one known to be resistant from goats...

journal_title：Parasitology research

authors： Arafa WM,Holman PJ,Craig TM

更新日期：2017-02-01 00:00:00

abstract：:The viability of Cryptosporidium parvum oocysts ingested by Artemia franciscana metanauplii was evaluated using two fluorogenic vital dyes. There was no significant difference (p = 0.09) between the viability of oocysts maintained in saline (control) and those recovered from the digestive tract of the microcrustacean ...

journal_title：Parasitology research

authors： Méndez-Hermida F,Gómez-Couso H,Ares-Mazás E

更新日期：2007-08-01 00:00:00

abstract：:Spawning individuals of allis shad, Alosa alosa (Linnaeus, 1758), and twaite shad, Alosa fallax (Lacépède, 1803), were sampled from three rivers on the Atlantic coast of the Iberian Peninsula (Ulla, Minho, Mondego) during 2008 to 2013 to assess the presence of the zoonotic marine parasite Anisakis spp. larvae. The res...

journal_title：Parasitology research

authors： Bao M,Mota M,Nachón DJ,Antunes C,Cobo F,Garci ME,Pierce GJ,Pascual S

更新日期：2015-06-01 00:00:00

abstract：:Hepatozoon canis is a tick-borne pathogen of canids, which is distributed worldwide. However, very little is known about this protozoan parasite in Pakistan. This study provides the first molecular evidence of H. canis from farm dogs from three agro-ecological zones of Punjab, Pakistan. A conventional PCR targeting th...

journal_title：Parasitology research

authors： Ahmad AS,Saeed MA,Rashid I,Ashraf K,Shehzad W,Traub RJ,Baneth G,Jabbar A

更新日期：2018-04-01 00:00:00

abstract：:Dimethyl sulfoxide (DMSO), commonly used for cryoprotection or for the solvation of cytoskeleton-modifying drugs, causes changes in the topology of the plasma membrane of the tegumental brush border in the tapeworm Hymenolepis diminuta; however, relatively long exposures of high concentrations are required. In tapewor...

journal_title：Parasitology research

authors： Forman LA,Oaks JA

更新日期：1992-01-01 00:00:00

abstract：:The efficacy of a combination of ivermectin (IVM) and albendazole (ABZ) used as a chemoprophylactic treatment and as treatment of secondary hydatidosis is described for the first time. IVM treatment alone was not effective against Echinococcus granulosus, either when the protoscolices were recently inoculated or when ...

journal_title：Parasitology research

authors： Moreno MJ,Casado N,Urrea-París MA,Rodríguez-Caabeiro F

更新日期：2002-06-01 00:00:00

abstract：:Within the present study, we offer new information on the morphology, histopathology, and 18S ribosomal DNA (rDNA) sequence of Myxobolus scardinii to supplement and revise the original description of Reuss (Bull Acad Imp Sci St-Pétersbourg, V Serie, XXV, No. 3: 199-205, 1906). M. scardinii was found infecting the gill...

journal_title：Parasitology research

authors： Pekmezci GZ,Yardimci B,Yilmaz S

更新日期：2015-10-01 00:00:00

abstract：:This study was designed to provide a comprehensive description of the ultrastructure of the esophagus of Trichinella spiralis muscle larvae. Although the esophagus exhibited basically the same structure throughout its entire length, being composed of a single cell-layered epithelium, the basal lamina, and the cuticle,...

journal_title：Parasitology research

authors： Takahashi Y,Uno T,Yagi J,Yamada S,Araki T

更新日期：1988-01-01 00:00:00

abstract：:The dog's role as a definitive host for a number of zoonotic parasites has been widely studied and recognized as being a significant public health problem worldwide. This study aimed to report, for the first time, our investigation into the role of dogs as a biological transmitter for Ascaris lumbricoides, via necrops...

journal_title：Parasitology research

authors： Shalaby HA,Abdel-Shafy S,Derbala AA

更新日期：2010-04-01 00:00:00

abstract：:Artesuante (AS) is a good chemoprophylactic drug for preventing against schistosome infection, but Hua et al. recently reported that the sensitivity of AS against Schistosoma japonicum decreased after 10 years of use in China. There are at least three problems, to our knowledge, making the finding suspicious or inconc...

journal_title：Parasitology research

authors： Liu R,Dong HF,Jiang MS

更新日期：2012-04-01 00:00:00

abstract：:Specific anti-newborn larva antibodies present in the serum of rats chronically infected with Trichinella spiralis were incapable of inducing killing of newborn larvae by activation of normal peritoneal cells. These late antibodies blocked the cytotoxic reaction induced by early antibodies produced a few weeks after i...

journal_title：Parasitology research

authors： Venturiello SM,Costantino SN,Giambartolomei GH

更新日期：1996-01-01 00:00:00

abstract：:Ras are key components of diverse signal transduction pathways and play important roles in growth and development. To know about growth regulation in Clonorchis sinensis, we have identified a full-length sequence encoding a ras-related protein (rap2) from our adult cDNA library. The open reading frame contains 561 bp ...

journal_title：Parasitology research

authors： Chen W,Wang X,Deng C,Lv X,Fan Y,Men J,Liang C,Yu X

更新日期：2011-04-01 00:00:00

abstract：:In the present study, the morphology and morphometric characterization of Thelohanellus niloticus sp. nov., a new myxozoan belonging to genus Thelohanellus Kudo, 1933 (Myxosporea, Bivalvulida) infecting the gills of Labeo niloticus (Osteichthyes, Cyprinidae), were described for the first time from the River Nile at El...

journal_title：Parasitology research

authors： Abdel-Ghaffar F,Morsy K,Bashtar AR,El-Ganainy S,Gamal S

更新日期：2013-01-01 00:00:00

abstract：:The objective of the study was to estimate the prevalence of helminths in the horse population of the state of Brandenburg, Germany. One hundred and twenty-six horse farms in the state were selected by randomised stratified sampling. In total, 1,407 horses across all farms were examined coproscopically. The experiment...

journal_title：Parasitology research

authors： Hinney B,Wirtherle NC,Kyule M,Miethe N,Zessin KH,Clausen PH

更新日期：2011-05-01 00:00:00

abstract：:Free-living amoebae (FLA) are widely spread in the environment and known to cause rare but often serious infections. Besides this, FLA may serve as vehicles for bacterial pathogens. In particular, Legionella pneumophila is known to replicate within FLA thereby also gaining enhanced infectivity. Cooling towers have bee...

journal_title：Parasitology research

authors： Scheikl U,Tsao HF,Horn M,Indra A,Walochnik J

更新日期：2016-09-01 00:00:00

abstract：:Understanding the fundamental factors influencing the epidemiology of wildlife disease is essential to determining the impact of disease on individual health and population dynamics. The host-pathogen-environment relationship of the endangered Australian sea lion (Neophoca cinerea) and the parasitic hookworm, Uncinari...

journal_title：Parasitology research

authors： Marcus AD,Higgins DP,Gray R

更新日期：2014-09-01 00:00:00

abstract：:A free-living soil amoeba Thecamoeba quadrilineata (Carter, 1856) Lepşi, 1960 (Amoebozoa: Thecamoebidae) was isolated from endozoic conditions for the first time. Presence of amoebae was detected after 4 days following inoculation of the gut of the earthworm Lumbricus terrestris on agar plate with Escherichia coli. On...

journal_title：Parasitology research

authors： Borovičková T,Mrva M,Garajová M

更新日期：2019-03-01 00:00:00

abstract：:The development of plant-derived cysteine proteinases, such as those in papaya latex, as novel anthelmintics requires that the variables affecting efficacy be fully evaluated. Here, we conducted two experiments, the first to test for any effect of host sex and the second to determine whether the intensity of the worm ...

journal_title：Parasitology research

authors： Luoga W,Mansur F,Lowe A,Duce IR,Buttle DJ,Behnke JM

更新日期：2015-07-01 00:00:00

abstract：:A total of 15 mixtures involving 9 different stocks attributed to the 19/20, 32 and 39 major clonal genotypes of Trypanosoma cruzi were used to infect third-instar nymphs of Triatoma infestans via an artificial feeding device. Three biological parameters were considered: (1) the percentage of infected insects (%II), (...

journal_title：Parasitology research

authors： Pinto AS,de Lana M,Bastrenta B,Barnabé C,Quesney V,Noël S,Tibayrenc M

更新日期：1998-05-01 00:00:00

abstract：:During their different life stages, parasites undergo remarkable morphological, physiological, and behavioral "metamorphoses" to meet the needs of their changing habitats. This is even true for ectoparasites, such as the monogeneans, which typically have a free-swimming larval stage (oncomiracidium) that seeks out and...

journal_title：Parasitology research

authors： El-Naggar MM,Tinsley RC,Cable J

更新日期：2021-01-12 00:00:00

abstract：:Ultrastructure of the trophozoite of Pneumocystis carinii was studied by the freeze-fracture technique. Nuclei and cytoplasmic organelles such as the endoplasmic reticulum, mitochondria, cytoplasmic vacuoles and small round bodies were observed. The mean number of nuclear pores was 8 per micron 2, which is small compa...

journal_title：Parasitology research

authors： Yoshikawa H,Morioka H,Yoshida Y

更新日期：1987-01-01 00:00:00

abstract：:Immunoscreening of an adult Schistosoma mansoni cDNA expression library, using antibodies raised against purified adult worm tegumental surface membranes, identified a recombinant clone containing a 141-bp insert. Antibodies raised against the recombinant antigen bound specifically to the tegument of adult worms and i...

journal_title：Parasitology research

authors： Knight M,Kelly C,Rodrigues V,Yi X,Wamachi A,Smithers SR,Simpson AJ

更新日期：1989-01-01 00:00:00