Abstract：
:Entomopathogenic nematodes complete their life cycles inside dead insects. The emergence of new infective juveniles from the cadaver has been attributed (but never demonstrated) to food depletion or to the accumulation of metabolites from the breakdown of the host's tissues. Here we give evidence that emergence is triggered by ammonia, a product of nematode defecation. We found that the emergence of Steinernemafeltiae infective juveniles from Galleriamellonella cadavers was stimulated by a particular level of ammonia. Emergence was delayed when ammonia in the cadaver was decreased and was prompted when increased. These findings will further improve the understanding of the nematode life cycle. Here we speculate that production of infective juveniles can be mediated by ammonia and work in a manner analogous to that of the dauer recovery inhibiting factor (DRIF) in Caenorhabditiselegans.
journal_name
Exp Parasitoljournal_title
Experimental parasitologyauthors
San-Blas E,Gowen SR,Pembroke Bdoi
10.1016/j.exppara.2008.01.008subject
Has Abstractpub_date
2008-05-01 00:00:00pages
180-5issue
1eissn
0014-4894issn
1090-2449pii
S0014-4894(08)00024-6journal_volume
119pub_type
杂志文章abstract：:Okuda, K., Esteva, M., Segura, E. L., and Bijovsky, A. T. 1999. The cytostome of Trypanosoma cruzi epimastigotes is associated with the flagellar complex. Experimental Parasitology 92, 223-231. Proliferative forms of Trypanosoma cruzi, amastigotes and epimastigotes, have a cytostome, a specialized structure formed by ...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1006/expr.1999.4419
更新日期：1999-08-01 00:00:00
abstract：:Ticks are obligate blood-sucking ectoparasites of a wide range of vertebrates. They can transmit a range of pathogens that cause economic losses to livestock production as well as human disease. In the present study, the complete mitochondrial (mt) genome of Dermacentor silvarum was determined. The mt genome is 14,945...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2016.07.004
更新日期：2016-10-01 00:00:00
abstract：:The aim of this study was to observe the intestinal mucosal/systemic responses triggered by intranasal vaccination using recombinant Trichinella spiralis serine protease (rTsSP) and its capacity to elicit immune protection against larva challenge in a murine model. rTsSP coupled with cholera toxin B subunit (CTB) was ...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2019.04.006
更新日期：2019-06-01 00:00:00
abstract：:With the aim of determining selectivity and the possible target(s) of nitroheteroaryl-1,3,4-thiadiazoles considered as possible leads for the development of anti-leishmanial agents, we studied 5-nitroimidazole, 5-nitrofuran and 5-nitrothiophene analogs of N-substituted-piperazinyl-1,3,4-thiadiazoles. We investigated 2...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2008.12.004
更新日期：2009-04-01 00:00:00
abstract：:Using nucleotide variation in the first internal transcribed spacer of nuclear ribosomal DNA, five different genotypes (designated G1-G5) have been identified and the preponderance of genotype G1 in humans and of genotype G3 in pigs led to the proposal that parasites bearing the two genotypes have an affinity for a pa...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2012.03.006
更新日期：2012-05-01 00:00:00
abstract：:Two fasciolicide preparations have been compared in 130 rats experimentally infected with Fasciola hepatica. Parasitological, immunological, and biochemical parameters have been followed to monitor the efficacy of the treatments. While Fascinex (triclabendazole) efficiently cured both male and female rats when adminis...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1006/expr.2000.4501
更新日期：2000-04-01 00:00:00
abstract：:We show that a purified preparation of the prominent tartrate-resistant acid phosphatase (E.C.3.1.3.2), isolated from the external surface of the intracellular parasite Leishmania donovani (promastigote form), inhibits toxic oxidative metabolite production of neutrophils. Preincubation of a neutrophil suspension (2.5 ...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/0014-4894(85)90039-6
更新日期：1985-12-01 00:00:00
abstract：:Standard, immunocompetent, inbred strains of mice are non-permissive for infection with the human filarial nematode, Brugia malayi or the closely related Brugia pahangi. This non-permissiveness allows one to address the mechanism(s) that might be used by mammalian hosts to eliminate large, multicellular, metazoan, ext...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/s0014-4894(02)00015-2
更新日期：2002-04-01 00:00:00
abstract：:Toxocara canis is a dog helminth which causes visceral larva migrans (VLM) when infecting humans as a larva. The infection is demonstrated by detecting IgG antibodies against excretory-secretory larval antigens (ESLA) in serum by ELISA. The production of ESLA involves the collection of adult worms from dog puppy stool...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2008.03.006
更新日期：2008-07-01 00:00:00
abstract：:Antimony unresponsiveness in mucocutaneous and visceral leishmaniasis is a serious clinical problem. Information on the mechanisms and characteristics of drug resistance in parasites that suggest chemotherapeutic strategies to overcome resistance is of practical importance. We developed nine lines of Leishmania resist...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/0014-4894(89)90173-2
更新日期：1989-07-01 00:00:00
abstract：:Because traditional methods used for sewage sludge parasitological examinations have low sensitivity, a new, highly effective method (own method - OM) was devised. The principle of this method is to eliminate the flocculent effect on the structure of sewage sludge by mechanically damaging floccules in the presence of ...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2016.09.011
更新日期：2016-11-01 00:00:00
abstract：:This study aimed to investigate the effects of diphenyl diselenide (PhSe)2 to treat mice experimentally infected by Toxoplasma gondii on seric biomarkers of cardiac function (creatine kinase, creatine kinase MB, troponin, and myoglobin), and lactate dehydrogenase, as well as to evaluate the enzymatic activity of creat...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2016.04.014
更新日期：2016-08-01 00:00:00
abstract：:Giardia lamblia is a protozoan pathogen with distinct cytoskeletal structures, including median bodies and eight flagella. In this study, we examined components comprising G. lamblia flagella. Crude flagellar extracts were prepared from G. lamblia trophozoites, and analyzed by two-dimensional (2-D) gel electrophoresis...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2013.07.010
更新日期：2013-10-01 00:00:00
abstract：:Protein tyrosine phosphatase of regenerating liver (PRL) is a group of phosphatases that has not been broadly studied in protozoan parasites. In humans, PRLs are involved in metastatic cancer, the promotion of cell migration and invasion. PTPs have been increasingly recognized as important effectors of host-pathogen i...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2015.09.014
更新日期：2015-12-01 00:00:00
abstract：:Gastro-intestinal (GI) parasites are of great agricultural importance, annually costing the livestock industry vast amounts in resources to control parasitism. One such GI parasite, Haemonchus contortus, is principally pathogenic to sheep; with the parasite's blood-feeding behaviour causing effects ranging from mild a...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2005.08.001
更新日期：2005-12-01 00:00:00
abstract：:The stability of the gene encoding TSA417, a 72-kDa variant-specific surface protein (VSP) produced by trophozoites of Giardia intestinalis isolate WB-C6, was investigated in isolates of similar (Assemblage A / Group I) or distinct (Assemblage A / Group II) genotype. Using primers specific for the WB-C6 tsa417 gene, D...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1006/expr.1998.4325
更新日期：1998-11-01 00:00:00
abstract：BACKGROUND:American cutaneous leishmaniasis (ACL) is caused by different Leishmania parasites, which stimulate and direct the immune response against the infection. OBJECTIVE:To evaluate the TaqMan probe technology applicability to diagnose and identifying of Leishmania spp. related to the ACL etiology. METHODOLOGY:T...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2020.108019
更新日期：2020-12-01 00:00:00
abstract：:Schistosoma mansoni sporocysts originally derived from monomiracidially infected Biomphalaria glabrata snails were serially transplanted into the cephalopedal sinus of anesthetized snails by the microsurgical implantation of fragments of parasitized hepatopancreas and ovotestis. Three to six passages each of five male...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/0014-4894(84)90056-0
更新日期：1984-02-01 00:00:00
abstract：:The asexual development cycle of Plasmodium falciparum, a malarial parasite of humans, has been synchronized in culture by treating ring-stage parasites with aphidicolin, an inhibitor of DNA synthesis. Optimization of both the concentration of drug added to ring stage containing red blood cells and the duration of exp...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/0014-4894(84)90061-4
更新日期：1984-02-01 00:00:00
abstract：:The protozoan Trypanosoma evansi is described as presenting high morphological and genetic similarities among the isolates despite its biological heterogeneity and wide geographical distribution. PCR amplification of the internal transcribed spacers of the ribosomal gene in combination with the coding region of the 5....
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2007.10.003
更新日期：2008-03-01 00:00:00
abstract：:We investigated the effects of the anti-malarials mefloquine and primaquine against the juvenile and adult life stages of Schistosoma mansoniin vitro. Cercariae were incubated with 0.5 μg/ml, 1 μg/ml and 2 μg/ml mefloquine or primaquine and with 1 μg/ml praziquantel for 12h. Schistosomula, pre-adults and adults were i...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2010.08.008
更新日期：2011-01-01 00:00:00
abstract：:Schistosoma mansoni infection in humans and animals induces abnormal neurobehavioral responses following granuloma formation. In mice, granulomas in the liver are observed 8 weeks after infection, while after 15-20 weeks, the presence of eggs and granulomas in the brain has been reported. In this study, outbred CD-1 f...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1006/expr.1996.0047
更新日期：1996-06-01 00:00:00
abstract：:Strongyloidiasis is a parasitosis that represents a public health problem, in tropical regions. The present study aimed to investigate the anthelmintic effects of several extracts of Argemone mexicana, as well as its main component berberine (Ber) against the third-stage larvae (L3) of Strongyloides venezuelensis in-v...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2020.108043
更新日期：2021-01-01 00:00:00
abstract：:Proteins belonging to the serine protease inhibitor (serpin) superfamily play essential roles in many organisms. In arthropods these proteins are involved in innate immune system, morphogenesis and development. In mammals serpins regulate pathways that are essential to life such as blood coagulation, fibrinolysis, inf...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2013.12.001
更新日期：2014-02-01 00:00:00
abstract：:Aedes aegypti mosquitoes salivate during intradermal probing of vertebrate prey before ingesting blood (Griffiths and Gordon 1952). Nonsalivating mosquitoes locate blood more slowly; this difference was ascribed to an anti-platelet activity found in the mosquito's saliva (Ribeiro et al. 1984). Mosquitoes infected with...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/s0014-4894(85)80029-1
更新日期：1985-08-01 00:00:00
abstract：:We have identified congenic mouse strains that differ dramatically in resistance to infection with the murine malaria parasite Plasmodium yoelii 17X. After infection, BALB/c mice develop severe anemia and a high degree of parasitemia which sometimes results in death. The mtv-7 congenic strain BALB.D2.mlsa, however, de...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1006/expr.1997.4154
更新日期：1997-06-01 00:00:00
abstract：INTRODUCTION:It has been reported that behavioral changes relate to infection in different parasitoses. However, the relation between the extent of the behavioral changes and the magnitude of the infection has been scarcely studied. The aim of this study was to evaluate the relationship between different doses of infec...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2016.04.013
更新日期：2016-07-01 00:00:00
abstract：:A new method for measuring the size of parasites and other objects using optical microscopy was developed using a specifically designed movable computer ruler (MCR) derived from digital images of a stage micrometer. Subsequently, MCR can be superimposed on images of parasites to measure their size. MCR derived from th...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/j.exppara.2011.10.008
更新日期：2012-01-01 00:00:00
abstract：:The concentration of L-hydroxyproline in the liver of ICR female mice increased rapidly during the 8th to 11th weeks of Schistosoma mansoni infection. Free L-proline concentration began to increase about the 7th week and reached its maximum at the 8th to 9th weeks of the infection, when the granulomatous response to t...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/0014-4894(91)90131-f
更新日期：1991-02-01 00:00:00
abstract：:Two species of glycoproteins from Leishmania braziliensis promastigotes of apparent molecular weights of 53,000 (glycoprotein 53) and 47,000 (glycoprotein 47) were localized. Four lectins with different sugar specificities bound to the blotting sheet to which the electrophoretically separated materials were transferre...
journal_title：Experimental parasitology
pub_type： 杂志文章
doi：10.1016/0014-4894(86)90188-8
更新日期：1986-06-01 00:00:00
