Budding: A new stage in the development of Chytridiopsis typographi (Zygomycetes: Microsporidia) |
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Authors: | Tomas Tonka Jaroslav Weiser |
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Institution: | a University of South Bohemia, Ceske Budejovice, Czech Republic b Institute of Microbiology v.v.i., Academy of Sciences of the Czech Republic, Prague, Czech Republic c Faculty of Forestry, Czech Agricultural University, Praha, Czech Republic |
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Abstract: | Chytridiopsis typographiWeiser, 1954, the microsporidian pathogen of the spruce bark beetle, Ips typographus L. (Coleoptera: Scolytidae), has an early developmental period with plurinucleate mother cells, each of which produces a single bud. The globular bud is connected with the mother cell by a collar and the cellular constituents are pushed to the distant end of the bud. Both the mother cell and the bud continue to develop; the bud then separates from the mother cell and grows to produce a cell of the same type. Both cells then continue sporogonial development and produce sporophorous vesicles with 16-32 spores. The process of a single mother cell producing a single bud that grows to an identical stage is new in the development of C. typographi and has no analogy in other Microsporidia. |
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Keywords: | Microsporidia Chytridiopsis typographi Ultrastructure Budding Ips typographus |
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