Ultrastructure of Excystment of Toxoplasma gondii Oocysts*
- 1 November 1978
- journal article
- research article
- Published by Wiley in The Journal of Protozoology
- Vol. 25 (4) , 438-443
- https://doi.org/10.1111/j.1550-7408.1978.tb04166.x
Abstract
The excystation of sporozoites from intact T. gondii oocysts [isolated from feline feces] or mechanically released sporocysts was studied by light microscopy and EM. Intact oocysts and free sporocysts excysted in 5% bovine bile in 0.9% NaCl solution after 30-60 min incubation at 37.degree. C. Sporozoites were first activated in either intact sporocysts or oocysts within 2-12 min of incubation in bile. Sporozoites escaped from sporocysts through 4 plate-like sutures in the sporocyst wall, and from the oocyst as the oocyst wall ruptured at one or more points.Keywords
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