نتایج جستجو برای: apicomplexa

تعداد نتایج: 1092  

Journal: :International Journal for Parasitology 2010

Journal: :The Journal of parasitology 2000
J W Fournie W K Vogelbein R M Overstreet W E Hawkins

The taxonomic status of the extraintestinal piscine coccidium Calyptospora funduli is based in part on its requirement of an intermediate host (the daggerblade grass shrimp Palaemonetes pugio). In the present study, grass shrimp fed livers of Gulf killifish (Fundulus grandis) infected with sporulated oocysts of C. funduli exhibited numerous sporozoites suspended in the intestinal contents when ...

Journal: :FEBS letters 2011
Julien Limenitakis Dominique Soldati-Favre

The Apicomplexans are obligate intracellular protozoan parasites and the causative agents of severe diseases in humans and animals. Although complete genome sequences are available since many years and for several parasites, they are replete with putative genes of unassigned function. Forward and reverse genetic approaches are limited only to a few Apicomplexans that can either be propagated in...

Journal: :Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria 2014
Bruno Pereira Berto Douglas McIntosh Carlos Wilson Gomes Lopes

The oocysts of the coccidia are robust structures, frequently isolated from the feces or urine of their hosts, which provide resistance to mechanical damage and allow the parasites to survive and remain infective for prolonged periods. The diagnosis of coccidiosis, species description and systematics, are all dependent upon characterization of the oocyst. Therefore, this review aimed to the pro...

Journal: :Parasitology 2007
R M Monteiro L J Richtzenhain H F J Pena S L P Souza M R Funada S M Gennari J P Dubey C Sreekumar L B Keid R M Soares

The 70 kDa heat-shock protein (Hsp70) sequences are considered one of the most conserved proteins in all domains of life from Archaea to eukaryotes. Hammondia heydorni, H. hammondi, Toxoplasma gondii, Neospora hughesi and N. caninum (Hammondia-like organisms) are closely related tissue cyst-forming coccidians that belong to the subfamily Toxoplasmatinae. The phylogenetic reconstruction using cy...

2014
Karine Frénal Jean-Baptiste Marq Damien Jacot Valérie Polonais Dominique Soldati-Favre

The glideosome is an actomyosin-based machinery that powers motility in Apicomplexa and participates in host cell invasion and egress from infected cells. The central component of the glideosome, myosin A (MyoA), is a motor recruited at the pellicle by the acylated gliding-associated protein GAP45. In Toxoplasma gondii, GAP45 also contributes to the cohesion of the pellicle, composed of the inn...

Journal: :Genome research 2003
Li Li Brian P Brunk Jessica C Kissinger Deana Pape Keliang Tang Robert H Cole John Martin Todd Wylie Mike Dante Steven J Fogarty Daniel K Howe Paul Liberator Carmen Diaz Jennifer Anderson Michael White Maria E Jerome Emily A Johnson Jay A Radke Christian J Stoeckert Robert H Waterston Sandra W Clifton David S Roos L David Sibley

Large-scale EST sequencing projects for several important parasites within the phylum Apicomplexa were undertaken for the purpose of gene discovery. Included were several parasites of medical importance (Plasmodium falciparum, Toxoplasma gondii) and others of veterinary importance (Eimeria tenella, Sarcocystis neurona, and Neospora caninum). A total of 55192 ESTs, deposited into dbEST/GenBank, ...

Journal: :Current Biology 2009
Giel G. van Dooren Sarah B. Reiff Cveta Tomova Markus Meissner Bruno M. Humbel Boris Striepen

BACKGROUND Apicomplexan parasites cause numerous important human diseases, including malaria and toxoplasmosis. Apicomplexa belong to the Alveolata, a group that also includes ciliates and dinoflagellates. Apicomplexa retain a plastid organelle (the apicoplast) that was derived from an endosymbiotic relationship between the alveolate ancestor and a red alga. Apicoplasts are essential for parasi...

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