Microsporidian Interactions With Host Cells

  • Richard Weissenberg
Part of the Comparative Pathobiology book series (CPATH, volume 1)


In the life cycle of microsporidia, the two essential periods of development, schizogony and sporogony, take their course, generally, within the host cells. Intrusion into the nucleus does not occur2. Within the cytoplasm, microsporidia multiply as schizonts and later undergo sporogony. During the life cycle, they may infiltrate the cytoplasm as sprouting schizonts or extend within it as compact colonies; the cytoplasm itself may become reduced and finally replaced almost completely by the spores of the parasite. This latter situation is especially true in arthropods. Thus, damage is frequently done to the host cell and often death occurs as a result of the invasion.


Host Cell Ganglion Cell Distal Portion Cortical Zone Vegetative Nucleus 
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© Springer Science+Business Media New York 1976

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  • Richard Weissenberg

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