Ultrastructure of Besnoitia besnoiti tissue cysts and bradyzoites.

Autor: Dubey JP; United States Department of Agriculture, Agricultural Research Service, Animal and Natural Resources Institute, Animal Parasitic Diseases, Epidemiology and Systematics Laboratory, Beltsville, Maryland 20705-2350, USA. jdubey@anri.barc.usda.gov, Shkap V, Pipano E, Fish L, Fritz DL
Jazyk: angličtina
Zdroj: The Journal of eukaryotic microbiology [J Eukaryot Microbiol] 2003 Jul-Aug; Vol. 50 (4), pp. 240-4.
DOI: 10.1111/j.1550-7408.2003.tb00127.x
Abstrakt: Besnoitia besnoiti is an economically important tissue cyst-forming apicomplexan of cattle in Africa and Israel. Tissue cysts and bradyzoites of B. besnoiti from the skin of a naturally infected bull were studied by transmission electron microscopy. Tissue cysts enclosed host cell and bradyzoites. Bradyzoites were 6-7.5 x 1.9-2.3 microm in size and contained organelles found in coccidian merozoites including numerous micronemes, rhoptries, amylopectin granules, and a posteriorly located nucleus. Enigmatic bodies, characteristically found in Besnoitia sp. bradyzoites, were not observed. Therefore, enigmatic bodies should be removed as a generic character of the bradyzoites of Besnoitia species.
Databáze: MEDLINE