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|Title:||Ultrastructural changes during in vitro encystment of Blastocystis hominis|
|Citation:||Suresh, K., Howe, J., Chong, S.Y., Ng, G.C., Ho, L.C., Loh, A.K., Ramachandran, N.P., Yap, E.H., Singh, M. (1994). Ultrastructural changes during in vitro encystment of Blastocystis hominis. Parasitology Research 80 (4) : 327-335. ScholarBank@NUS Repository.|
|Abstract:||The morphological changes occurring in Blastocystis hominis at different time points following in vitro encystment were studied by electron microscopy. The following stages of the parasite were sequentially seen: (a) the amoebic form, which was irregular in shape, with a majority of the organelles being concentrated at the condensed cytoplasmic region; (b) the pre-cystic form, which was rounded and had an electron-dense material forming a homogeneous wall around the central body; and (c) the cystic form, which had a very prominent, thick osmiophilic electron-dense wall, within which there were many inclusions and possibly reproductive granules. The amoebic form appeared to be an intermediate stage between the vacuolar form and the pre-cystic form, as this stage allowed the parasite to ingest bacteria to enhance encystment. The pre-cystic stage had previously been shown in experimental infection to be infective. The role of the cystic stage in producing infection is currently being investigated.|
|Source Title:||Parasitology Research|
|Appears in Collections:||Staff Publications|
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