Microtubular and actin cytoskeletons were investigated in the lipophilic yeast Malassezia pachydermatis by fluorescence and electron microscopy. To detect microtubules by indirect immunofluorescence using monoclonal anti-tubulin antibody, a prolonged incubation with lysing enzymes was necessary due to its very thick cell wall. Cytoplasmic microtubules were detected in interphase and a spindle with astral microtubules was seen in M-phase. The disintegration of cytoplasmic microtubules and migration of the nucleus to the bud before mitosis were characteristic features of the basidiomycetous yeast Malassezia pachydermatis. The visualisation of F-actin structures (patches, cables and cytokinetic rings) by fluorescence microscopy using both monoclonal anti-actin antibody and rhodamine-phalloidin failed, but actin was detected by electron microscopy with immunogold labelling. Clusters of gold particles indicating actin structures were detected at the plasma membrane of cells with unique cortical ultrastructural features characteristic of the genus Malassezia. A possible association of these with the actin cytoskeleton is suggested.
- MeSH
- aktiny ultrastruktura MeSH
- biologické modely MeSH
- buněčný cyklus MeSH
- cytoskelet metabolismus ultrastruktura MeSH
- financování organizované MeSH
- fluorescenční mikroskopie MeSH
- imunohistochemie MeSH
- Malassezia ultrastruktura MeSH
- mikrotomie MeSH
- mikrotubuly ultrastruktura MeSH
- mrazové lámání MeSH
2. přeprac. a rozšířené vyd. 64 s. : il. ; 34 cm
- Konspekt
- Výchova a vzdělávání
- NLK Obory
- zdravotní výchova
- biologie
- genetika, lékařská genetika
- NLK Publikační typ
- učebnice vysokých škol
50 s. : tab.
- Konspekt
- Patologie. Klinická medicína
- NLK Obory
- embryologie a teratologie
- genetika, lékařská genetika
- NLK Publikační typ
- učebnice vysokých škol
