Successful cultivation of cryptosporidium reveals previously undescribed gregarine-like developmental stages
Hijjawi, N., Meloni, B.P., Morgan, U.M. and Thompson, R.C.A. (2003) Successful cultivation of cryptosporidium reveals previously undescribed gregarine-like developmental stages. In: Thompson, R.C.A., Armson, A. and Morgan, U., (eds.) Cryptosporidium: From Molecules to Disease. Elsevier B.V., Amsterdam, The Netherlands, p. 93.
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This chapter presents an overview on the successful cultivation of Cryptosporidium. The successful cultivation reveals previously undescribed gregarine-like developmental stage. s. Cryptosporidium shows peculiarities that separate it from other coccidia, such as two morphofunctional oocysts, a multi-membranous feeder organelle, and endogenous development in the microvilli of epithelial surfaces. Cryptosporidium has a closer affinity with the gregarines than with the coccidian. This chapter presents a study in which at least two developmental stages in Cryptosporidium are found to be similar to those of some gregarines. These are an extracellular trophozoite/gamont-like stage and a gametocyst-like stage. Both stages were detected in vitro and in vivo. Furthermore, surface association of gamont-like stages as well as oocyst formation by budding from gametocyst stages was observed in this study.
|Publication Type:||Book Chapter|
|Murdoch Affiliation:||School of Veterinary and Life Sciences|
|Copyright:||© 2003 Elsevier B.V.|
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