Abstract:
:The phylogenetic placement of gregarine parasites (Apicomplexa: Gregarinasina) within the Apicomplexa was derived by comparison of small-subunit ribosomal RNA gene sequences. Gregarine sequences were obtained from Gregarina niphandrodes Clopton, Percival, and Janovy, 1991, and Monocystis agilis Stein, 1848 (Eugregarinorida Léger 1900), as well as from Ophriocystis elektroscirrha McLaughlin and Myers, 1970 (Neogregarinorida Grassé 1953). The sequences were aligned with several other gregarine and apicomplexan sequences from GenBank and the resulting data matrix analyzed by parsimony and maximum-likelihood methods. The gregarines form a monophyletic clade that is a sister group to Cryptosporidium spp. The gregarine/ Cryptosporidium clade is separate from the other major apicomplexan clade containing the coccidia, adeleids, piroplasms, and haemosporinids. The trees indicate that the genus Cryptosporidium has a closer phylogenetic affinity with the gregarines than with the coccidia. These results do not support the present classification of the Cryptosporidiidae in the suborder Eimerioirina Léger, 1911.
journal_name
Parasitol Resjournal_title
Parasitology researchauthors
Carreno RA,Martin DS,Barta JRdoi
10.1007/s004360050655subject
Has Abstractpub_date
1999-11-01 00:00:00pages
899-904issue
11eissn
0932-0113issn
1432-1955journal_volume
85pub_type
杂志文章abstract::The susceptibility of two Venezuelan (YT and SM) and one Brazilian (BH) strain of Schistosoma mansoni to single oral doses of praziquantel (Pz; 250 or 500 mg/kg), oxamniquine (Ox; 40, 60, or 100 mg/kg) or to low-dose combinations of both drugs (33 mg/kg Pz and 25 mg/kg Ox; 66 mg/kg Pz and 12.5 mg/kg Ox; 250 mg/kg Pz a...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/BF00931515
更新日期:1992-01-01 00:00:00
abstract::Ascaris lumbricoides is responsible for a highly disseminated helminth parasitic disease, ascariosis, a relevant parasitosis that responds for great financial burden on the public health system of developing countries. In this work, metabolic fingerprinting using high-resolution mass spectrometry (HRMS) was employed t...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-016-5183-2
更新日期:2016-11-01 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
pub_type: 杂志文章
doi:10.1007/s00436-019-06233-w
更新日期:2019-03-01 00:00:00
abstract::The induction of protective immunity to Leishmania amazonensis was investigated by injection of parasite clones of low and medium virulence into susceptible mice. To this end, L. amazonensis were cloned by limiting dilution and the clones' virulence was evaluated by the course of infection in susceptible mice. Clones ...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s004360050321
更新日期:1997-01-01 00:00:00
abstract::The inhibitory activity of mangiferin (50 mg/kg/die and 100 mg/kg/die) on Cryptosporidium parvum was evaluated in a neonatal mouse model and its activity was compared with that of paromomycin (100 mg/kg/die). At 4 days of age, neonatal Swiss conventional outbred mice were experimentally infected by oral administration...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-006-0165-4
更新日期:2006-07-01 00:00:00
abstract::The recombinant surface protein of Theileria annulata (TaSP) was used in the standardization and validation of an enzyme linked immunosorbent assay (ELISA) for the detection of circulating antibodies against tropical theileriosis. ELISA data were expressed as the percentage positivity (PP) of the reactivity of an inte...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-003-1055-7
更新日期:2004-03-01 00:00:00
abstract::Production of parasite-specific antibodies is an important component of immunity to blood stage malaria infection, as shown by several previous studies in rodent models. However, no study has addressed the induction of humoral immunity by different parasites in a genetically homogeneous host population. Here, levels o...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-002-0687-3
更新日期:2003-01-01 00:00:00
abstract::Mosquitoes are vectors of devastating pathogens and parasites, causing millions of deaths every year. Dengue is a mosquito-borne viral infection found in tropical and subtropical regions around the world. Recently, transmission has strongly increased in urban and semiurban areas, becoming a major international public ...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-015-4339-9
更新日期:2015-04-01 00:00:00
abstract::Giardia is a prevalent intestinal parasitic infection. The trophozoite structural protein a1-giardin (a1-g) and the cyst protein cyst wall protein 2 (CWP2) have shown promise as Giardia vaccine antigen candidates in murine models. The present study assesses the genetic diversity of a1-g and CWP2 between and within ass...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-017-5516-9
更新日期:2017-08-01 00:00:00
abstract::Black bullhead Ameiurus melas (Actinopterygii: Siluriformes) is an alien fish species of North American origin, which has expanded its invasive geographical range in Europe. In 2017-2019, 32 black bullhead specimens from the Lake Srebarna Biosphere Reserve, Bulgaria, were examined for monogenean parasites. Two species...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-020-06699-z
更新日期:2020-07-01 00:00:00
abstract::This study was conducted to evaluate the phytochemical composition and larvicidal effect of leaf essential oil from Murraya exotica against early fourth-instar larvae of Aedes aegypti, Anopheles stephensi and Culex quinquefasciatus. Gas chromatography (GC) and gas chromatography mass spectrometry (GC-MS) analyses reve...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-015-4370-x
更新日期:2015-05-01 00:00:00
abstract::During our investigations on helminthofauna in roe deer (Capreolus capreolus) and red deer (Cervus elaphus) in France (1985-1998) we isolated nematodes not only of the genus Haemonchus Cobb, 1898 but also of the genus Ashworthius Le Roux 1930, both of which belong to the same subfamily of Haemonchinae. The prevalence ...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/pl00008534
更新日期:2000-07-01 00:00:00
abstract::Schizothorax o'connori and Oxygymnocypris stewartii are two endangered endemic Tibetan fishes that thrive in the Lhasa River at an average altitude over 4000 m. During artificial reproduction of endemic Tibetan fishes, the juvenile fish of S. o'connori and O. stewartii experienced mass mortality event. The causative a...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-015-4527-7
更新日期:2015-08-01 00:00:00
abstract::Host specificity is a fundamental property of parasites. Whereas most studies focus on measures of specificity on host range, only few studies have considered quantitative aspects such as infection intensity or prevalence. The relative importance of these quantitative aspects is still unclear, mainly because of method...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-014-4154-8
更新日期:2014-12-01 00:00:00
abstract::Chagas' disease, which is an important health problem in humans, is caused by the protozoan Trypanosoma cruzi. The cellular and molecular mechanisms, involved in the selective tropism of T. cruzi to different organs remain largely unknown. In this study we designed a PCR-based molecular diagnosis method in order to st...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-002-0787-0
更新日期:2003-04-01 00:00:00
abstract::Twenty-four Holando Argentino male calves were treated orally with 50 mg/kg body weight trichlorphon (TCF); 0.2 mg/kg body weight subcutaneous ivermectin (IVM); a combination of TCF+IVM at the same doses and administration routes; or remained untreated (control group). All calves were necropsied at day 14 post treatme...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-011-2407-3
更新日期:2011-08-01 00:00:00
abstract::An inexpensive and simple method using acid-phenol was developed for the isolation of total RNA from eimerian oocysts. This procedure provides a pure preparation of undegraded RNA in high yield and can be completed in under 2 h. ...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s004360050446
更新日期:1998-07-01 00:00:00
abstract::The following effects of Lactobacillus casei in NIH mice were evaluated: the establishment of Trichinella spiralis adult worms in the intestine (AWI), larvae per gram of muscle tissue (LPG), levels of IgG and IgA, and levels of IL-4 and IFN-γ. One hundred and eight mice were allocated at random into 18 groups of six m...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-011-2432-2
更新日期:2011-12-01 00:00:00
abstract::The aim of this study was to evaluate the therapeutic and protective efficacy of ivermectin and permethrin against wound myiasis induced by fleshflies in Riyadh region in sheep. Three different protocols were planned to evaluate efficacy of the selected drugs in addition to recording the myiasis incidence and prevalen...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-008-0983-7
更新日期:2008-07-01 00:00:00
abstract::To contribute to the knowledge of the role of small mammals in the transmission cycle of tegumentary leishmaniasis caused by Leishmania braziliensis, we studied the small mammal community and its temporal and spatial association with phlebotominae, as well as small mammal infection by Leishmania spp. by PCR-RFLP analy...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-017-5714-5
更新日期:2018-02-01 00:00:00
abstract::Haematophagous leeches express a broad variety of bioactive factors that are released from the salivary gland cells into the wound of a host during feeding. Among these, hirudin is probably the best studied factor and, moreover, the only one that has successfully made the transition from nature to clinical use. Many c...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-016-5294-9
更新日期:2017-01-01 00:00:00
abstract::The catalysis of malate dehydrogenase (MDH) in Plasmodium falciparum (pfMDH) which involves NAD/NADH coupling is crucial for the parasite's pathogenicity. Primers were designed based on the P. falciparum genome resource, and these facilitated the cloning of a gene coding for pfMDH from a local clinical isolate. The DN...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-003-0996-1
更新日期:2004-01-01 00:00:00
abstract::Tick proteins have been shown to be useful for the development of vaccines which reduce tick infestations. Potential tick protective antigens have been identified and characterized, in part, by use of RNA interference (RNAi). RNAi allows for analysis of gene function by characterizing the impact of loss of gene expres...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-006-0132-0
更新日期:2006-07-01 00:00:00
abstract::The discovery and optimization of antiparasitic compounds has profited by information-based methods newly emerged in the modern drug development process. The generation of computer models enables the cost-efficient and fast computational screening of virtual compound libraries for biologically active molecules. Two so...
journal_title:Parasitology research
pub_type: 杂志文章,评审
doi:10.1007/s00436-002-0773-6
更新日期:2003-06-01 00:00:00
abstract::The tegumental membrane of platyhelminth parasites is of crucial importance for modulation of the host response and parasite survival. A cDNA encoding a novel tegumental protein 20.8 kDa (TP20.8) was found by large-scale sequencing of a Clonorchis sinensis cDNA library. This new cDNA was 755 bp long containing an open...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-007-0541-8
更新日期:2007-08-01 00:00:00
abstract::With this case report, we describe Trombiculidae larvae (Neotrombicula autumnalis) infestation in a Little Bittern (Ixobrychus minutus) which was brought to our clinics by the Directorship of Environmental and Forestry authorities of Samsun, Turkey in April, 2007. The male Little Bittern (I. minutus), with a black bac...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-008-0898-3
更新日期:2008-04-01 00:00:00
abstract::We tested whether biogeographic patterns characteristic of species diversity and composition may also apply to community assembly by investigating geographic variation in the pattern (PSA) (aggregation versus segregation) and strength of species associations (SSA) in flea and mite communities harbored by small mammali...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-019-06255-4
更新日期:2019-04-01 00:00:00
abstract::In search of a natural antiparasitic, in vivo anthelmintic activity of petroleum ether, chloroform, ethyl acetate, methanol, and aqueous extracts of Angelica pubescens roots (Radix angelicae pubescentis), Brucea javanica fruits (Fructus bruceae), Spatholobus suberectus stems (Caulis spatholobi), Aesculus chinensis Bge...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-010-1799-9
更新日期:2010-04-01 00:00:00
abstract::In the State of Amazonas, American tegumentary leishmaniasis is endemic and presents a wide spectrum of clinical variability due to the large diversity of circulating species in the region. Isolates from patients in Manaus and its metropolitan region were characterized using monoclonal antibodies and isoenzymes belong...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-010-2139-9
更新日期:2011-03-01 00:00:00
abstract::Giardia lamblia and Cryptosporidium parvum are recognized as the most common protozoan infections in Saudi Arabia. Microscopic examination of stool samples, either direct or concentrated, for the recovery of G. lamblia cysts and trophozoites and C. parvum oocysts is still the most commonly used for the diagnosis of bo...
journal_title:Parasitology research
pub_type: 杂志文章
doi:10.1007/s00436-013-3319-1
更新日期:2013-04-01 00:00:00