Differential expression of cell surface- and dense granule-associated Neospora caninum proteins in tachyzoites and bradyzoites.
Morphologically, the tachyzoites and the tissue cysts of Neospora caninum are difficult to distinguish from those of other cyst-forming apicomplexan parasites such as Toxoplasma gondii. Several stage-specific antigens have been identified in T. gondii tachyzoites and bradyzoites, and respective antibodies are useful tools for discriminating between the 2 stages during tachyzoite-bradyzoite interconversion in T. gondii infections. Whereas several cell surface- and dense granule-associated proteins have been identified and characterized in N. caninum tachyzoites, not much is known about antigenic components expressed in N. caninum bradyzoites. In this study, the differential expression of the 2 N. caninum surface proteins Nc-p43 and Nc-p36 and the dense granule protein Nc-p33 (NCDG1) within tachyzoites and bradyzoites of N. caninum has been investigated.
Institute of Parasitology of the Faculty of Veterinary Medicine, University of Berne, Switzerland.
N
N
Fuchs
S
S
Sonda
B
B
Gottstein
A
A
Hemphill
D000818:Animals; D000918:Antibody Specificity; D000953:Antigens, Protozoan / Q000096:biosynthesis* / Q000276:immunology; D000954:Antigens, Surface / Q000096:biosynthesis / Q000276:immunology; D015153:Blotting, Western; D002522:Chlorocebus aethiops; D003429:Cross Reactions; D003594:Cytoplasmic Granules / Q000276:immunology / Q000378:metabolism; D005455:Fluorescent Antibody Technique; D008565:Membrane Proteins / Q000096:biosynthesis / Q000276:immunology; D051379:Mice; D008813:Mice, Inbred ICR; D008819:Mice, Nude; D018688:Neospora / Q000276:immunology / Q000378:metabolism*; D015800:Protozoan Proteins / Q000096:biosynthesis* / Q000276:immunology; D011817:Rabbits; D014122:Toxoplasma / Q000276:immunology; D014709:Vero Cells
D000953:Antigens, Protozoan; D000954:Antigens, Surface; D008565:Membrane Proteins; D015800:Protozoan Proteins