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Microbios. 1986;47(191):97-105.

Cytological interrelationships between the cell cycle and duplication cycle of Candida albicans.

Abstract

The cytology of nuclear division and septation in the yeast and hyphal phases of Candida albicans growing at 37 degrees C has been studied by fluorescence microscopy after staining of specimens with 4'6-diaminido-2-phenylindole (DAPI) and Calcofluor. Yeast and hyphal cells replicated their nuclei at about 18 min after the emergence of a bud or germ-tube. The site of nuclear division coincided with the future location of the septum in both forms. This occurred at the junction of the bud and parent yeast cell or 6.0 micron from the parent yeast in germ tubes which were formed in medium containing serum. The filamentous forms of a range of clinical and laboratory strains grown in a variety of germ tube-inducing media were all extensively vacuolated. Germ tube extension in all of these media was linear. It is suggested that there is little biosynthesis of cytoplasm during the initial stages of germ tube growth in this organism and that this accounts for the development of the large vacuoles and the linear growth kinetics.

PMID:
3537639
[Indexed for MEDLINE]

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