Quantitative assessment of viable Cryptosporidium parvum load in commercial oysters (Crassostrea virginica) in the Chesapeake Bay.

abstract：:Ultrastructure of Fibrillaspora is highly similar to that of Berwaldia but the former is phylogenetically distant from the taxon annotated as Berwaldia schaefernai (Genbank accession # AY090042). It was shown recently, however, that the latter sequence was not derived from Berwaldia, and correct nucleotide sequence da...

journal_title：Parasitology research

authors： Simakova AV,Tokarev YS,Issi IV

更新日期：2018-04-01 00:00:00

abstract：:The purpose of the present study was to assess the effect of leaf hexane and chloroform extracts of Aegle marmelos, Andrographis lineata, Andrographis paniculata, Cocculus hirsutus, Eclipta prostrata, and Tagetes erecta on repellent, ovicidal, and oviposition-deterrent activities against Culex tritaeniorhynchus Giles ...

journal_title：Parasitology research

authors： Elango G,Rahuman AA,Bagavan A,Kamaraj C,Zahir AA,Rajakumar G,Marimuthu S,Santhoshkumar T

更新日期：2010-01-01 00:00:00

abstract：:Some cyclophyllidean cestodes provide protection for their eggs in the external environment by providing them with additional protective layers around the egg membranes. In attempting to examine such adaptations, the microanatomy and fine structure of the uterus of pregravid and gravid proglottids of the cyclophyllide...

journal_title：Parasitology research

authors： Korneva JV,Kornienko SA,Jones MK

更新日期：2016-06-01 00:00:00

abstract：:It is well known that toxoplasmosis can be life threatening to immunocompromised individuals such as AIDS and organ transplantation patients. Glucocorticoids (GCs) are widely used in the clinic for the treatment of autoimmune diseases and organ transplantation resulting in acute toxoplasmosis in these patients. Howeve...

journal_title：Parasitology research

authors： Wang T,Gao JM,Yi SQ,Geng GQ,Gao XJ,Shen JL,Lu FL,Wen YZ,Hide G,Lun ZR

更新日期：2014-01-01 00:00:00

abstract：:The effect of lemon oil (Citrus limon) on Sarcoptes scabiei var. cuniculi was evaluated in vitro and in vivo. The mite samples were collected from naturally infected rabbits. The lemon oil was prepared in six concentrations by dilution with distilled water (2.5, 5, 10, 20, 50, and 100 %). In vitro application was done...

journal_title：Parasitology research

authors： Aboelhadid SM,Mahrous LN,Hashem SA,Abdel-Kafy EM,Miller RJ

更新日期：2016-08-01 00:00:00

abstract：:Multiple schistosome and soil-transmitted nematode infections are frequently reported in human populations living in tropical areas of developing countries. In addition to exposure factors, the host immune response plays an important role in helminth control and morbidity in hosts with multiple infections; however, th...

journal_title：Parasitology research

authors： de Rezende MC,Araújo ES,Moreira JM,Rodrigues VF,Rodrigues JL,Pereira CA,Negrão-Corrêa D

更新日期：2015-12-01 00:00:00

abstract：:Blastocystis sp. is a common intestinal parasite. To date, there have been sporadic and scanty studies on Blastocystis sp. carried out in rural communities in Nepal. We surveyed the prevalence of Blastocystis sp. and its possible associated risk factors, and reported the predominant Blastocystis sp. subtype in two rur...

journal_title：Parasitology research

authors： Lee IL,Tan TC,Tan PC,Nanthiney DR,Biraj MK,Surendra KM,Suresh KG

更新日期：2012-04-01 00:00:00

abstract：:Acanthamoeba is a free-living pathogenic protozoan that is distributed in different environmental reservoirs, including lakes and soil. Pathogenic Acanthamoeba can cause severe human diseases, such as blinding keratitis and granulomatous encephalitis. Therefore, it is important to understand the pathogenic relationshi...

journal_title：Parasitology research

authors： Huang JM,Chang YT,Shih MH,Lin WC,Huang FC

更新日期：2019-06-01 00:00:00

abstract：:Intraspecific and interspecific effects on the growth and body size of helminths are rarely studied in natural situations, yet knowing what determines helminth sizes and thus fecundity is crucial to our understanding of helminth ecology and epidemiology. The determinants of average individual worm mass were investigat...

journal_title：Parasitology research

authors： Poulin R,Giari L,Simoni E,Dezfuli BS

更新日期：2003-06-01 00:00:00

abstract：:A comprehensive icthyoparasotological survey among estuarine and freshwater fishes of West Bengal, India revealed Trichodinella sunderbanensis sp. nov. and Trichodina acuta Lom, 1961 from an estuarine fish Mystus gulio (Hamilton, 1822) from the Vidyadhari river; Trichodina nandusi sp. nov. from a freshwater fish, Nand...

journal_title：Parasitology research

authors： Mitra AK,Bandyopadhyay PK,Gong Y

更新日期：2013-03-01 00:00:00

abstract：:Leishmaniases are cutaneous, mucocutaneous, and visceral diseases affecting humans and domesticated animals mostly in the tropical and subtropical areas of the planet. Host genetics have been widely investigated for their role in developing various infectious diseases. The SLC11A1 gene has been reported to play a role...

journal_title：Parasitology research

authors： Braliou GG,Kontou PI,Boleti H,Bagos PG

更新日期：2019-08-01 00:00:00

abstract：:Toxoplasma gondii is of public health and veterinary importance causing severe diseases in immunocompromised individuals including HIV/AIDS patients and in congenital cases and animals. There is limited information on the epidemiology of T. gondii infection in humans, particularly HIV patients and food animals and the...

journal_title：Parasitology research

authors： Pappoe F,Cheng W,Wang L,Li Y,Obiri-Yeboah D,Nuvor SV,Ambachew H,Hu X,Luo Q,Chu D,Xu Y,Shen J

更新日期：2017-06-01 00:00:00

abstract：:The development of Babesia equi was studied in the salivary glands of adult female ticks, Boophilus microplus, using a transmission electron microscope (TEM). Engorged nymphs were obtained from splenectomized foals experimentally infected with B. equi and fed in the adult phase for 5 days on rabbits. Sporogony in B. e...

journal_title：Parasitology research

authors： Guimarães AM,Lima JD,Ribeiro MF,Camargos ER,Bozzi IA

更新日期：1998-01-01 00:00:00

abstract：:To mimic a human malaria infection in the endemic condition, two strains of mice (Balb/c and CBA) were infected and treated several times to generate so-called semi-immune status. As previously reported, neither mice (Balb/c and CBA) strain showed cerebral malaria, even in the susceptible C57BL/6 (B6). The significant...

journal_title：Parasitology research

authors： Helegbe GK,Yanagi T,Senba M,Huy NT,Shuaibu MN,Yamazaki A,Kikuchi M,Yasunami M,Hirayama K

更新日期：2011-04-01 00:00:00

abstract：:We have recently demonstrated that the antimicrotubule drug oryzalin inhibits the growth of Entamoeba invadens as well as E. histolytica, the former being more resistant to the drug than the latter, and that effective doses of oryzalin are higher for Entamoeba than for the other parasitic protozoa examined thus far. T...

journal_title：Parasitology research

authors： Makioka A,Kumagai M,Ohtomo H,Kobayashi S,Takeuchi T

更新日期：2000-08-01 00:00:00

abstract：:Toxoplasmosis is a disease with a worldwide distribution that affects a wide variety of animal species, though with rare descriptions in chickens. We describe the clinical, epidemiological, pathological, and molecular aspects of a toxoplasmosis outbreak in domestic chickens and guinea fowl in southern Brazil. The floc...

journal_title：Parasitology research

authors： Vielmo A,Pena HFJ,Panziera W,Bianchi RM,De Lorenzo C,Oliveira S,Alves BF,Gennari SM,Pavarini SP,de Barros CSL,Driemeier D

更新日期：2019-03-01 00:00:00

abstract：:Culex pipiens pallens is the mosquito vector of a number of human pathogens such as Wuchereria bancrofti, Brugia malayi, and epidemic encephalitis B virus. Female C. pipiens pallens play an important role in transmitting pathogens by sucking blood, which is essential for reproduction. In the present study, a subtracti...

journal_title：Parasitology research

authors： Chen HH,Zhang RL,Geng YJ,Cheng JQ,Zhang SX,Huang DN,Yu L,Gao ST,Zhu XQ

更新日期：2007-08-01 00:00:00

abstract：:Molecular karyotypes that revealed size polymorphisms between homologous forms of chromosomes 1, 2, 3 or 4 in three strains of the coccidial parasite Eimeria tenella were derived by pulsed field gel electrophoresis (PFGE) using brands of agaroses marketed either specifically for PFGE or for purposes such as protein el...

journal_title：Parasitology research

authors： Sheriff R,Carroll F,Shirley MW

更新日期：2003-03-01 00:00:00

abstract：:The present work aimed at studying the possible association of HLA antigens with Entamoeba histolytica/E. dispar asymptomatic infection in a Mexican mestizo population. A case-control design was selected for evaluation of the role of genetic markers in parasite infection. For this purpose the HLA-A, HLA-B, and HLA-DR ...

journal_title：Parasitology research

authors： Valdez E,del Carmen Martínez M,Gómez A,Cedillo R,Arellano J,Pérez ME,Ramos F,Morán P,González E,Valenzuela O,Melendro EI,Ramiro M,Kretschmer R,Muñoz O,Ximénez C

更新日期：1999-10-01 00:00:00

abstract：:Human toxocariasis may be acquired by eating raw chicken liver. However, there are no reports on the prevalence of natural infection of chickens with Toxocara. The aim of this study was to evaluate the presence of anti-Toxocara antibodies as indicators of natural infection with Toxocara, in free-range chickens from Es...

journal_title：Parasitology research

authors： Campos-da-Silva DR,da Paz JS,Fortunato VR,Beltrame MA,Valli LC,Pereira FE

更新日期：2015-11-01 00:00:00

abstract：:Protoscolices of Echinococcus granulosus were incubated in vitro with praziquantel (PZ), albendazole (ABZ), or a combination of both (PZ + ABZ). PZ and ABZ displayed slower protoscolicidal activity when applied separately than when used in combination. Despite the low PZ + ABZ concentrations used, protoscolex viabilit...

journal_title：Parasitology research

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

更新日期：2000-12-01 00:00:00

abstract：:According to the genetic characterization by the analysis of the miniexon gene, strains of Trypanosoma cruzi can be classified into six discrete typing units (DTUs), and the DTU 1 into four distinct genotypes associated with different life cycles. While Chagas disease is endemic in Costa Rica, T. cruzi isolates from t...

journal_title：Parasitology research

authors： Zuriaga MÁ,Blandón-Naranjo M,Valerio-Campos I,Salas R,Zeledón R,Bargues MD

更新日期：2012-10-01 00:00:00

abstract：:Tryptophan-N-formylated gramicidin A, a nonhemolytic derivative of the toxic peptide antibiotic gramicidin A, has previously been shown to induce potassium leakage from Plasmodium falciparum-infected erythrocytes in vitro and to inhibit the growth of the parasite. In the present study the antimalarial activities of tw...

journal_title：Parasitology research

authors： Otten-Kuipers MA,Roelofsen B,Op den Kamp JA

更新日期：1995-01-01 00:00:00

abstract：:Ticks and tick-borne diseases (TBDs) continue to pose an insidious and ever-present threat to livestock and livelihoods across the globe. Two of the most significant TBDs of cattle in Africa are heartwater and babesioisis, caused by Ehrlichia ruminantium and Babesia bigemina respectively. Both pathogens are endemic in...

journal_title：Parasitology research

authors： Hector E,Elelu N,Ferrolho J,Couto J,Sanches G,Antunes S,Domingos A,Eisler M

更新日期：2019-03-01 00:00:00

abstract：:Filter-feeding molluscan shellfish can concentrate environmentally derived waterborne pathogens of humans, which can be utilized in the sanitary assessment of water quality. In the present study, oocysts of Cryptosporidium were detected in Bent mussels (Ischadium recurvum) at two Chesapeake Bay sites from which C. par...

journal_title：Parasitology research

authors： Graczyk TK,Fayer R,Lewis EJ,Trout JM,Farley CA

更新日期：1999-07-01 00:00:00

abstract：:Cysteine proteases of parasite organisms play numerous indispensable roles in tissue penetration, feeding, immunoevasion, virulence, egg hatching and metacercarial excystment. They are critical key enzymes in the biology of parasites and have been exploited as serodiagnostic markers, therapeutic and vaccine targets. I...

journal_title：Parasitology research

authors： Shareef PA,Abidi SM

更新日期：2014-01-01 00:00:00

abstract：:Visceral larva migrans (VLM) syndrome caused by Toxocara canis larvae was first described in the 1950s. The role of other nematode larvae, i.e. the pig roundworm Ascaris suum as a causative agent of visceral larva migrans-associated symptoms like general malaise, cough, liver dysfunction, hypereosinophilia with hepato...

journal_title：Parasitology research

authors： Schneider R,Obwaller A,Auer H

更新日期：2015-01-01 00:00:00

abstract：:Acetylcholinesterase (AChE) is a key enzyme involved in nerve impulse transmission in both vertebrates and invertebrates. In addition to neuromuscular AChE, many parasitic nematodes synthesize AChE in secretory glands and release the enzyme into their external environment. In this study, we evaluate the activities of ...

journal_title：Parasitology research

authors： Podolska M,Nadolna K

更新日期：2014-06-01 00:00:00

abstract：:Due to the global health problems associated with mosquito-borne diseases, over two million people primarily in the tropical countries are at risk. The widely and commonly used chemical method though effective, has some major disadvantages making insect control practically difficult. In view of the above, it is unavoi...

journal_title：Parasitology research

authors： Khandagle AJ,Tare VS,Raut KD,Morey RA

更新日期：2011-08-01 00:00:00

abstract：:Numerous nematodes were found in the rectum of three fish species Synodontis ocellifer, S. nigrita, and S. schall (Mochokidae, Siluriformes) from the Gambia River and Mare Simenti, National Park Niokolo Koba, Senegal. A nematode species Raillietnema synodontisi Vassiliadès, 1973 (host S. ocellifer), is redescribed usi...

journal_title：Parasitology research

authors： Koubková B,Barus V,Hodová I,Simková A

更新日期：2008-04-01 00:00:00