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  • 1
    Electronic Resource
    Electronic Resource
    Fine structure of the sporocysts of Ascosphaera apis during development as revealed by the scanning electron microscope (1987)
    Springer
    Mycopathologia 100 (1987), S. 155-158 
    Details
    ISSN: 1573-0832
    Keywords: Ascosphaera apis ; sporocysts ; spore ball ; Chalkbrood disease ; honey bee
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The fine morphology of the sporocysts of Ascosphaera apis (Maassen ex Claussen) Olive & Spiltoir, an entomopathogenic fungus of the immature honey bee has been studied using the scanning electron microscope. During the third day of mycelial growth in the culture medium, numerous short, branched hyphae were formed. The tip of the branch-hypha gradually expanded to form immature sporocysts. The immature sporocysts contained a large number of globules of varying sizes. The walls of the immature sporocysts were finely wrinkled, becoming smooth as the sporocyst matured. Both exterior and interior surfaces of the sporocyst wall possessed numerous papillae. Some globules in the developing sporocyst began to form immature spores which aggregated to form spore balls. The fully formed spore balls were not enveloped by a membrane.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00437041
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effects of itraconazole on the sporocysts wall of the entomopathogenic fungi Ascosphaera apis as revealed by the scanning electron microscope (1988)
    Springer
    Mycopathologia 103 (1988), S. 75-80 
    Details
    ISSN: 1573-0832
    Keywords: Ascosphaera apis ; Chalkbrood disease ; honey bee ; itraconazole ; sporocysts wall
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The young sporocysts had a wrinkled sporocyst wall, numerous papillae on the wall surface and the wall was granular and porous. In the itraconazole-treated culture, the walls of the young sporocysts were also wrinkled, but the characteristic papillae were replaced by larger lumps which were densely packed and coated the entire surface of the sporocyst wall. The mature sporocysts walls were smooth and possessed numerous papillae. In the itraconazole-treated culture, the walls of mature sporocysts walls were also smooth but possessed densely packed larger lumps instead of papillae. At higher magnification, each of the lumps were found to consist of numerous globules. No pores were observed as they were in the normal sporocyst wall.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00441261
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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