Informace o publikaci

Ultrastructural characteristics and variability of vegetative reproduction in Fellomyces penicillatus

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KOPECKÁ Marie GOLUBEV Wladyslav RAMÍKOVÁ Vladimíra KLEMOVÁ Dobromila ILKOVICS Ladislav

Rok publikování 2012
Druh Článek v odborném periodiku
Časopis / Zdroj Journal of Basic Microbiology
Fakulta / Pracoviště MU

Lékařská fakulta

Citace
Doi http://dx.doi.org/10.1002/jobm.201100405
Obor Ostatní lékařské obory
Klíčová slova Conidiogenesis; Sterigmata; Morphology; Cytoskeleton; Electron microscopy
Popis The yeast strains VKM Y-2977 and VKM Y-2978, derived from the isolate Pa-202, were examined for their physiological properties and mycocin sensitivities and studied by light, phase-contrast, fluorescence, transmission and scanning electron microscopy. The cells of the first strain produced long stalk-like conidiophores, whereas the cells of the second one had the appearance of a typical budding yeast under the light microscope. Transmission and scanning electron microscopy showed the formation of stalk-like conidiophores and long necks in VKM Y-2977, similar in appearance to Fellomyces fuzhouensis. The actin cytoskeleton, microtubules and nuclei were similar as well, but due to presence of a capsule, they were not clearly visible. The second isolate, VKM Y-2978, had very short stalk-like conidiophores, and the neck, microtubules and actin cables were shorter as well. The actin patches, actin cables, and microtubules were similar in VKM Y-2977 and VKM Y-2978 and not clearly visible. The physiological characteristics and mycocin sensitivity patterns, together with the microscopic structures and ultrastructures, led us to conclude that both strains belong to Fellomyces penicillatus, even though they differ in the lengths of their stalk-like conidiophores and necks.
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